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• Acid Orange 10
IUPAC Name: sodium 7-oxo-8-(phenylhydrazinylidene)naphthalene-1,3-disulfonic acid | CAS Registry Number: 1936-15-8
Synonyms: Orange G, Acid orange 10, Light Orange G, Orange G dye, Orange GG, Acid Orange G, Colacid Orange G, Dolkwal Orange G, Fast Orange G, Hexacol Orange G, Wool Orange G, Acid Orange GG, Food Orange GG, Orange BPC, Orange GMP, Acilan Orange GX, Egacid Orange GG, Ink Orange JSN, Straight Orange G, Acid Orange 2G

Molecular Formula: C16H12N2NaO7S2+Molecular Weight: 431.395450 [g/mol]
H-Bond Donor: 3H-Bond Acceptor: 9


• Acid Red 51
IUPAC Name: 2-(3-hydroxy-2,4,5,7-tetraiodo-6-oxoxanthen-9-yl)benzoic acid; sodium | CAS Registry Number: 568-63-8
Synonyms: Erythrosin, Erythrosin B, Acid red 51, TIF Na, FD+C Red No. 3, NSC36685

Molecular Formula: C20H8I4NaO5Molecular Weight: 858.882170 [g/mol]
H-Bond Donor: 2H-Bond Acceptor: 5


• Alcian Blue 8GX

Molecular Formula: C56H70Cl4CuN16S4-4Molecular Weight: 1300.880200 [g/mol]
H-Bond Donor: 0H-Bond Acceptor: 16


• Alcian Yellow
IUPAC Name: [dimethylamino-[[2-[4-[4-[5-[[dimethylamino(dimethylazaniumylidene)methyl]sulfanylmethyl]-6-methyl-1,3-benzothiazol-2-yl]phenyl]diazenylphenyl]-6-methyl-1,3-benzothiazol-5-yl]methylsulfanyl]methylidene]-dimethylazanium chloride | CAS Registry Number: 61968-76-1
Synonyms: Alcian yellow, C.I. Ingrain Yellow 1, CID3085231

Molecular Formula: C40H46ClN8S4+Molecular Weight: 802.559840 [g/mol]
H-Bond Donor: 0H-Bond Acceptor: 7


• Alizarin Red s
IUPAC Name: sodium 3,4-dihydroxy-9,10-dioxoanthracene-2-sulfonate | CAS Registry Number: 130-22-3
Synonyms: Alizarin Red S, Alizarinsulfonate, Alizarine S, Alizarin S, Alizarine Red A, Alizarine Red W, Fenakrom Red W, Diamond Red W, Alizarine Red AS, Alizarine Red SW, Alizarine Red SZ, Alizarine Red WA, Alizarine Red WS, Ahcoquinone Red S, Mordant Red 3, Alizarin Carmine, Acid Red Alizarine, Carnelio Rubine Lake, Chrome Red Alizarine, Oxanal Fast Red SW

Molecular Formula: C14H7NaO7SMolecular Weight: 342.255950 [g/mol]
H-Bond Donor: 2H-Bond Acceptor: 7


• Aniline Blue
IUPAC Name: 4-[[4-(anilino)phenyl]-(4-phenyliminocyclohexa-2,5-dien-1-ylidene)methyl]-2-methylaniline | CAS Registry Number: 28631-66-5

Molecular Formula: C32H27N3Molecular Weight: 453.576880 [g/mol]
H-Bond Donor: 2H-Bond Acceptor: 3


• Auramine O
IUPAC Name: 4-[4-(dimethylamino)benzenecarboximidoyl]-N,N-dimethylaniline hydrochloride | CAS Registry Number: 2465-27-2
Synonyms: Auramin, Aizen auramine, Auramine Yellow, Auramine Extra, Auramine Pure, Basic Yellow 2, Auramine N, Auramine chloride, Auramine FA, Auramine II, Auramine ON, Auramine OO, Auramine OS, Auramine SP, Auramine FWA, Auramine OOO, Benzophenoneidum, AURAMINE, Adc Auramine O, Auramine A1

Molecular Formula: C17H22ClN3Molecular Weight: 303.829680 [g/mol]
H-Bond Donor: 2H-Bond Acceptor: 3


• Azur B (CAS: 8006-34-6)
• Azure A, Certified, Pure
IUPAC Name: (7-aminophenothiazin-3-ylidene)-dimethylazanium chloride | CAS Registry Number: 531-53-3
Synonyms: Dimethylthionine, Azur A, AZURE A, Giemsa solution, Giemsa stain, N,N-Dimethylthionine, Giemsa's stain, Azure A chloride, Azure A eosinate, Giemsa stain, modified, GS1L_SIGMA, Azure eosin methylene blue, GS80_SIGMA, GS128_SIGMA, GS500_SIGMA, A2918_SIGMA, A6270_SIGMA, G9641_SIGMA, 121398_ALDRICH, 200212_ALDRICH

Molecular Formula: C14H14ClN3SMolecular Weight: 291.799060 [g/mol]
H-Bond Donor: 1H-Bond Acceptor: 3


• Azure II Eosinate
IUPAC Name: disodium; [7-(dimethylamino)phenothiazin-3-ylidene]-dimethylazanium; dimethyl-[7-(methylamino)phenothiazin-3-ylidene]azanium; 2',4',5',7'-tetrabromo-3-oxospiro[2-benzofuran-1,9'-xanthene]-3',6'-diolate; dichloride | CAS Registry Number: 53092-85-6
Synonyms: Azure II eosinate, AZUR 2 EOSIN, 200220_ALDRICH

Molecular Formula: C51H40Br4Cl2N6Na2O5S2Molecular Weight: 1317.532040 [g/mol]
H-Bond Donor: 1H-Bond Acceptor: 11


• Basic Brown 1
IUPAC Name: 4-[3-(2,4-diaminophenyl)diazenylphenyl]diazenylbenzene-1,3-diamine dihydrochloride | CAS Registry Number: 10114-58-6
Synonyms: Vesuvine, Bismark Brown Y, Bismarck Brown Y, Excelsior Brown, Phenylene Brown, Leather Brown, Manchester Brown, Bismarck Brown B, Bismarck Brown Y (G), Basic Brown G, GX, GXP, B2759_SIAL, 80324-43-2 (Parent), 861111_SIAL, CID82360, EINECS 233-314-3, C.I. Basic Brown 1, dihydrochloride, C.I. 21000, AI3-52758, LT03380030, 1,3-Bis(2,3-diaminophenylazo)benzene hydrochloride

Molecular Formula: C18H20Cl2N8Molecular Weight: 419.311000 [g/mol]
H-Bond Donor: 6H-Bond Acceptor: 8


• Basic Orange 14
IUPAC Name: zinc 3-N,3-N,6-N,6-N-tetramethylacridine-3,6-diamine dichloride hydrochloride | CAS Registry Number: 10127-02-3
Synonyms: Euchrysine 3RX, Acridine orange, CCRIS 6695, EINECS 233-353-6, CID159263, C.I. 46005, Zinc chloride, compd. with 3,6-bis(dimethylamino)acridine monohydrochloride, 3,6-Acridinediamine, N,N,N',N'-tetramethyl-, monohydrochloride compd. with zinc chloride, 3,6-bis(Dimethylamino) acridine monohydrochloride compound with zinc chloride, Acridine, 3,6-bis(dimethylamino)-, monohydrochloride, compd. with zinc chloride, Acridinediamie, N,N,N',N'-tetramethyl-, monohydrochloride, compd. with zinc chloride, N,N,N',N'- Tetramethylacridine-3,6-diaminmonohydrochlorid, verbindung mit zinkcdichlorid, N,N,N',N'-Tetramethylacridine-3,6-diamine monohydrochloride, compound with zinc dichloride, Zinc chloride, compd. with N,N,N',N'-tetramethyl-3,6-acridinediamine monohydrochloride, 3,6-Acridinediamine, N,N,N',N'-tetramethyl-, monohydrochloride, cpmpd. with zinc chloride (ZnCl2), 50977-21-4, 60994-28-7

Molecular Formula: C17H20Cl3N3ZnMolecular Weight: 438.128800 [g/mol]
H-Bond Donor: 1H-Bond Acceptor: 5


• Basic Red 5
IUPAC Name: 8-N,8-N,3-trimethylphenazine-2,8-diamine hydrochloride | CAS Registry Number: 553-24-2
Synonyms: Toluylene Red, Kernechtrot, Neutral Red W, Nuclear Fast Red, NEUTRAL RED, Cerven neutralni, Cerven toluylenova, Neutral Red chloride, Cerven zasadita 5, C.I. Basic Red 5, Michrome No. 226, Cerven neutralni [Czech], Cerven toluylenova [Czech], Cerven zasadita 5 [Czech], Nuclear Fast Red (basic dye), C.I. Basic Red 5, monohydrochloride, NSC 3092, EINECS 209-035-8, NSC3092, NSC5756

Molecular Formula: C15H17ClN4Molecular Weight: 288.775280 [g/mol]
H-Bond Donor: 2H-Bond Acceptor: 4


• Basic Red 9
IUPAC Name: 4-[(4-aminophenyl)-(4-iminocyclohexa-2,5-dien-1-ylidene)methyl]aniline hydrochloride | CAS Registry Number: 569-61-9
Synonyms: Pararosaniline, Parafuchsin, Parafuchsine, Parafuksin, p-Fuchsin, Fuchsine SP, ParaMagenta, Fuchsine SPC, Basic fuchsin, Pararosanilin, Parasaniline, Calcozine magenta N, P ararosanilin, p-Rosaniline HCl, p-Rosaniline.HCl, Para Magenta, CI Basic Red 9, Fuchsine DR-001, C.I. Basic Red 9, Fuchsine, Acid

Molecular Formula: C19H18ClN3Molecular Weight: 323.819320 [g/mol]
H-Bond Donor: 4H-Bond Acceptor: 3


• Brilliant Green
IUPAC Name: [4-[[4-(diethylamino)phenyl]-phenylmethylidene]cyclohexa-2,5-dien-1-ylidene]-diethylazanium; hydrogen sulfate | CAS Registry Number: 633-03-4
Synonyms: Brilliant green, Ethyl green, Emerald Green, Basic green 1, Solid Green, Malachite Green G, Diamond Green G, Basic Green V, Fast Green J, Green EN, Fast Green JJO, Brilliant Green B, Brilliant Green G, Brilliant Green P, Brilliant Green Y, Basic Bright Green, Brilliant Green GX, Brilliant Green YN, Astrazon Green D, Deorlene Green JJO

Molecular Formula: C27H34N2O4SMolecular Weight: 482.634860 [g/mol]
H-Bond Donor: 1H-Bond Acceptor: 5


• Bromochlorophenol Blue Sodium Salt
IUPAC Name: 2-[(E)-(3-bromo-5-chloro-4-hydroxyphenyl)-(3-bromo-5-chloro-4-oxocyclohexa-2,5-dien-1-ylidene)methyl]benzenesulfonate | CAS Registry Number: 102185-52-4
Synonyms: ZINC04261872, CID5815585

Molecular Formula: C19H9Br2Cl2O5S-Molecular Weight: 580.050760 [g/mol]
H-Bond Donor: 1H-Bond Acceptor: 5


• Carmine
IUPAC Name: 3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo-7-[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]anthracene-2-carboxylic acid | CAS Registry Number: 1390-65-4
Synonyms: Cochineal, Cochenille dye, Cochineal tincture, Cochineal, dye, B Rose liquid, Cochineal solution, ENJI, Cochineal extract lake, CARMINIC ACID, C.I. Natural red 4, Carmine (Coccus cacti L.), Cochineal concentrate type M, Cochineal concentrate type P, Cochineal (Coccus cacti L.), Cochineal concentrate -7-fold, FEMA No. 2242, FEMA No. 2330, CCRIS 1204, CCRIS 4511, EINECS 215-680-6

Molecular Formula: C22H20O13Molecular Weight: 492.386400 [g/mol]
H-Bond Donor: 9H-Bond Acceptor: 13


• Chromotrope 2r
IUPAC Name: disodium 5-hydroxy-4-oxo-3-(phenylhydrazinylidene)naphthalene-2,7-disulfonate | CAS Registry Number: 4197-07-3

Molecular Formula: C16H10N2Na2O8S2Molecular Weight: 468.368740 [g/mol]
H-Bond Donor: 2H-Bond Acceptor: 10


• Cresyl Violet Acetate, Certified
IUPAC Name: (9-aminobenzo[a]phenoxazin-5-ylidene)azanium | CAS Registry Number: 10510-54-0
Synonyms: ZINC04261929, CID3673794, LS-190183

Molecular Formula: C16H12N3O+Molecular Weight: 262.285980 [g/mol]
H-Bond Donor: 2H-Bond Acceptor: 3


• Direct Red 28
IUPAC Name: disodium 4-amino-3-[4-[4-(1-amino-4-sulfonatonaphthalen-2-yl)diazenylphenyl]phenyl]diazenylnaphthalene-1-sulfonate | CAS Registry Number: 573-58-0
Synonyms: Congo red, Haemomedical, Hemorrhagyl, Haemonorm, Solucongo, Benzo Congo Red, Kongorot, Sugai Congo Red, Atul Congo Red, Vondacel Red CL, Kayaku Congo Red, Mitsui Congo Red, Congo Red 4B, Congazone sodium, Cotton Red L, Direct Red C, Direct Red K, Azocard Red Congo, Congo Red H, Congo Red L

Molecular Formula: C32H22N6Na2O6S2Molecular Weight: 696.663220 [g/mol]
H-Bond Donor: 2H-Bond Acceptor: 12


• Direct Red 80
IUPAC Name: hexasodium (3E)-4-oxo-7-[[(6E)-5-oxo-7-sulfonato-6-[[2-sulfonato-4-(4-sulfonatophenyl)diazenylphenyl]hydrazinylidene]naphthalen-2-yl]carbamoylamino]-3-[[2-sulfonato-4-(4-sulfonatophenyl)diazenylphenyl]hydrazinylidene]naphthalene-2-sulfonate | CAS Registry Number: 2610-10-8
Synonyms: Picrosirius Red, Saturn Red, Finisol Red BA, Fenaluz Red 7B, Sirius Red, Sirius Red F 3B, Dicorel Red L 3A, Solophenyl Red 3BL, Solantine Red 8BLN, Fastusol Red L 8B, Pyrazoline Red BLWN, Sirius Red F 3BA, Sumilight Red F 3B, Fastusol Red 8B-CF, Sirius Red 80F3B, Diazol Light Red 3B, Dialuminous Red F 3B, Tetramine Fast Red WE, Calcomine Fast Red 8B, Amanil Fast Red 8BLN

Molecular Formula: C45H26N10Na6O21S6Molecular Weight: 1373.070960 [g/mol]
H-Bond Donor: 4H-Bond Acceptor: 29


• Dyes, Solvent Black 3
IUPAC Name: (2,2-dimethyl-1,3-dihydroperimidin-6-yl)-(4-phenyldiazenylnaphthalen-1-yl)diazene | CAS Registry Number: 4197-25-5
Synonyms: Sudan black B, Typogen Black, Ceres Black BN, Fat Black HB, Lacquer Black S, Nubian Black BT, Hexatype Black B, Fast Black HB, Lacquer Black VB, Fast Black HBN, Oil Black BT, Solvent black 3, Sudan Deep Black BB, Sudan Deep Black BN, Acetylated Sudan Black B, C.I. Solvent Black 3, SOT-Black 6, Sudan Black X 60, Aizen SOT Black 6, Fat Black HB 01

Molecular Formula: C29H24N6Molecular Weight: 456.541060 [g/mol]
H-Bond Donor: 2H-Bond Acceptor: 6


• Eosin Red/Eosin Y
IUPAC Name: disodium 2-(2,4,5,7-tetrabromo-3-oxido-6-oxoxanthen-9-yl)benzoate | CAS Registry Number: 17372-87-1
Synonyms: Eosin yellowish, Eosin, Eosine Yellowish, Bromoeosine, Eosine, Bromofluorescein, Eosine G, Sodium eosine, Eosin Y, Bromo acid, Bronze Bromo, Certiqual Eosine, Aizen eosine GH, Bromo Fluorescein, Eosine A, Eosine B, Eosine J, Eosine Y, Eosine w/s, Sodium eosinate

Molecular Formula: C20H6Br4Na2O5Molecular Weight: 691.854180 [g/mol]
H-Bond Donor: 0H-Bond Acceptor: 5


• Eosin Yellowish
IUPAC Name: 2-(2,4,5,7-tetrabromo-3-hydroxy-6-oxoxanthen-9-yl)benzoic acid | CAS Registry Number: 548-26-5
Synonyms: Bromeosin, Eosin, Aizen eosine GH, Eosin Y, CBChromo1_000099, Probes1_000494, Probes2_000049, CBDivE_002995, D & C Red no. 21, NSC2087, AIDS014990, Eosin yellowish (*Disodium salt*), AIDS-014990, CID11049, C.I. Acid Red 87 (*Disodium salt*), 17372-87-1 (DISODIUM SAL), Fluorescein, 2',4',5',7'-tetrabromo-, Benzoic acid, 2-(2,4,5,7-tetrabromo-6-hydroxy-3-oxo-3H-xanthen-9-yl)-, 152-75-0, Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 2',4',5',7'-tetrabromo-3',6'-dihydroxy-

Molecular Formula: C20H8Br4O5Molecular Weight: 647.890520 [g/mol]
H-Bond Donor: 2H-Bond Acceptor: 5


• Fast Green FCF
IUPAC Name: disodium 2-[[4-[ethyl-[(3-sulfonatophenyl)methyl]amino]phenyl]-[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]cyclohexa-2,5-dien-1-ylidene]methyl]-5-hydroxybenzenesulfonate | CAS Registry Number: 2353-45-9
Synonyms: Food green 3, Solid Green FCF, Food Green No. 3, C.I. Food Green 3, FD&C Green No. 3, 1724 Green, FD & C Green no. 3, Aizen Food Green No. 3, FD and C Green No. 3, Zelen Stala FCF [Czech], CCRIS 1867, Zelen potravinarska 3 [Czech], F7252_SIAL, F7258_SIAL, EINECS 219-091-5, NSC 379443, CID16887, CI 42053, C.I. FOOD GREEN 3, DISODIUM SALT, LS-2756

Molecular Formula: C37H34N2Na2O10S3Molecular Weight: 808.847800 [g/mol]
H-Bond Donor: 1H-Bond Acceptor: 11


• Fuchsin Acid
IUPAC Name: disodium (3Z)-3-[(4-amino-3-sulfonatophenyl)-(4-amino-3-sulfophenyl)methylidene]-6-imino-5-methylcyclohexa-1,4-diene-1-sulfonate | CAS Registry Number: 3244-88-0
Synonyms: Acid fuchsin, Acid rubin, Acidal fuchsine, Acidal magenta, Acid fuchsine, Fuchsine acid, Acid magenta, Fuchsin acid, Acid rosein, p-Fuchsine acid, Acid fuchsine N, Acid fuchsine O, Acid fuchsine S, Kiton magenta A, Acid magenta O, Acid magenta 0, Acid fuchsine FB, Fuchsin(E) acid, Rubine S, Acid leather magenta A

Molecular Formula: C20H17N3Na2O9S3Molecular Weight: 585.538220 [g/mol]
H-Bond Donor: 4H-Bond Acceptor: 12


• Gentian Violet
IUPAC Name: [4-[bis(4-dimethylaminophenyl)methylidene]cyclohexa-2,5-dien-1-ylidene]-dimethylazanium chloride | CAS Registry Number: 548-62-9
Synonyms: gentian violet, Crystal violet, Gentioletten, Gentersal, Gentiaverm, Pyoktanin, Genticid, Oxycolor, Vermicid, Adergon, Atmonil, Avermin, Oxiuran, Oxyozyl, Axuris, Vianin, Viocid, Badil, Hexamethyl Violet, Aniline Violet

Molecular Formula: C25H30ClN3Molecular Weight: 407.978800 [g/mol]
H-Bond Donor: 0H-Bond Acceptor: 3


• Giemsa Stain
IUPAC Name: (7-aminophenothiazin-3-ylidene)-dimethylazanium;chloride | CAS Registry Number: 51811-82-6
Synonyms: AZURE A, Dimethylthionine, Giemsa stain, Azure A chloride, Azur A, N,N-Dimethylthionine, Giemsa solution, 531-53-3, 3-Amino-7-(dimethylamino)phenothiazin-5-ium chloride, Giemsa stain, modified, C.I. 52005, Azure eosin methylene blue, asym-Dimethyl-3,7-diaminophenazathionium chloride, Giemsa Stain, Modified Solution, 3-Amino-7-dimethylaminophenazathionium chloride, Azure mixture sicc. Giemsa stain, EINECS 208-510-7, NSC 326661, ST092694, ST50307464

Molecular Formula: C14H14ClN3SMolecular Weight: 291.799060 [g/mol]
H-Bond Donor: 1H-Bond Acceptor: 4


• Hematoxylin
IUPAC Name: (6aS,11bR)-7,11b-dihydro-6H-indeno[2,1-c]chromene-3,4,6a,9,10-pentol | CAS Registry Number: 517-28-2
Synonyms: Haematoxylin, Hydroxybrasilin, Hydroxybrazilin, hematoxiline, Hydroxylrasilin, Hematoxyline, (+)-Hematoxylin, HEMATOXYLIN, Natural Black I, Natural Black 1, (+)-haematoxylin, Hematoxylin n-Hydrate, Hematoxylin, certified, Delafield's hematoxylin, Hematoxylin n-Hyd rate, MHS1_SIGMA, HEMATOXYLIN, CRYST, HHS16_SIGMA, HHS32_SIGMA, HHS80_SIGMA

Molecular Formula: C16H14O6Molecular Weight: 302.278760 [g/mol]
H-Bond Donor: 5H-Bond Acceptor: 6


• Indigo Carmine
IUPAC Name: disodium (2E)-3-oxo-2-(3-oxo-5-sulfonato-1H-indol-2-ylidene)-1H-indole-5-sulfonate | CAS Registry Number: 860-22-0
Synonyms: Indigo carmine, indigocarmine, Sachsischblau, Indigocarmin, Indigotine, Murabba, Indigotine Lake, Indigo Extract, Soluble Indigo, Indocarmine F, Carmine Blue, Indigotine B, Indigotine I, Indigotine N, Intense Blue, Indigotin I, Indigotine IA, Indigotine 1, Cilefa Blue R, Indigo Carmine A

Molecular Formula: C16H8N2Na2O8S2Molecular Weight: 466.352860 [g/mol]
H-Bond Donor: 2H-Bond Acceptor: 10


• Jenner's Stain (CAS: 62851-42-7)
• Leishman's Stain (CAS: 12627-53-1)
• Light Green SF Yellowish
IUPAC Name: disodium 4-[[4-[ethyl-[(3-sulfonatophenyl)methyl]amino]phenyl]-[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]cyclohexa-2,5-dien-1-ylidene]methyl]benzenesulfonate | CAS Registry Number: 5141-20-8
Synonyms: Acid Green 5, Amacid Green G, Light green SF, Pencil Green SF, Light Green G, Light Green S, Sulfo Green J, Light Green CF, Light Green FS, Light Green Lake, Acid Green A, Light Green SFA, Light Green SFD, Fenazo Green 7G, Leather Green SF, Acilan Green SFG, Light Green 2GN, Food Green 2, Lissamine Green SF, Merantine Green SF

Molecular Formula: C37H34N2Na2O9S3Molecular Weight: 792.848400 [g/mol]
H-Bond Donor: 0H-Bond Acceptor: 10


• Methyl Green
IUPAC Name: [4-[(4-dimethylaminophenyl)-(4-dimethylazaniumylidenecyclohexa-2,5-dien-1-ylidene)methyl]phenyl]-ethyl-dimethylazanium bromide chloride | CAS Registry Number: 14855-76-6
Synonyms: Methyl green, Ethyl green, NSC3091, NSC 3091, EINECS 238-920-1, M-3776, (alpha-(p-(Dimethylamino)phenyl)-alpha-(4-(methylimino)-2,5-cyclohexadien-1-ylidene)-p-tolyl)ethyldimethylammonium bromide methochloride, 4-((4-(Dimethylamino)phenyl)(4-(dimethyliminio)cyclohexa-2,5-dien-1-ylidene)methyl)-N-ethyl-N,N-dimethylanilinium bromidechloride, Ammonium, (alpha-(p-(dimethylamino)phenyl)-alpha-(4-(dimethyliminio)-2,5-cyclohexadien-1-ylidene)-p-tolyl)ethyldimethyl-, bromide, chloride (8CI), Ammonium, [.alpha.-[p-(dimethylamino)phenyl]-.alpha.-[4-(dimethyliminio)-2,5-cyclohexadien-1-ylidene]-p-tolyl]ethyldimethyl-, bromide, chloride, Benzenaminium, 4-((4-(dimethylamino)phenyl)(4-(dimethyliminio)-2,5-cyclohexadien-1-ylidene)methyl)-N-ethyl-N,N-dimethyl-, bromide chloride, Benzenaminium, 4-[[4-(dimethylamino)phenyl][4-(dimethyliminio)-2,5-cyclohexadien-1-ylidene]methyl]-N-ethyl-N,N-dimethyl-, bromide chloride

Molecular Formula: C27H35BrClN3Molecular Weight: 516.943900 [g/mol]
H-Bond Donor: 0H-Bond Acceptor: 3


• Methyl Orange
IUPAC Name: sodium 4-[4-(dimethylamino)phenyl]diazenylbenzenesulfonate | CAS Registry Number: 547-58-0
Synonyms: Helianthine, Helianthine B, Orange III, Tropaeolin D, Gold Orange, Helianthin, Eniamethyl Orange, Methyl Orange B, Kca Methyl Orange, Orange 3, METHYL ORANGE, Methyloranz [Czech], Oranz III [Czech], Acid Orange 52, Orange III (VAN), CI Acid Orange 52, Oranz methylova [Czech], Methyl Orange solution, C.I. Acid Orange 52, Oranz kysela 52 [Czech]

Molecular Formula: C14H14N3NaO3SMolecular Weight: 327.334030 [g/mol]
H-Bond Donor: 0H-Bond Acceptor: 6


• Methyl Red Indicator
IUPAC Name: 2-[4-(dimethylamino)phenyl]diazenylbenzoic acid | CAS Registry Number: 493-52-7
Synonyms: Methyl red, O-METHYL RED, C.I. Acid Red 2, CI Acid Red 2, Methyl Red solution, Acid Red- 2, Cerven methylova [Czech], Cerven kysela 2 [Czech], CCRIS 2250, HSDB 2786, 32654_RIEDEL, 32941_RIEDEL, ARONIS014454, 4-Dimethylamino-2'-carboxylazobenzene, C.I. Acid Red 2 (8CI), WLN: QVR BNUNR DN1&1, EINECS 207-776-1, 2-Carboxy-4'-(dimethylamino)azobenzene, NSC9597, 2-(4-Dimethylaminophenylazo)benzoic acid

Molecular Formula: C15H15N3O2Molecular Weight: 269.298500 [g/mol]
H-Bond Donor: 1H-Bond Acceptor: 5


• Methyl Red, Sodium Salt
IUPAC Name: sodium 2-(4-dimethylaminophenyl)diazenylbenzoate | CAS Registry Number: 845-10-3
Synonyms: Sodium methyl red, Methyl red, Acid Red- 2, Methyl Red sodium salt, M8256_SIAL, 114502_SIAL, EINECS 212-682-9, CID101879, CID4465632, Sodium 2-(p-(dimethylamino)phenylazo)benzoate, 4-Dimethylaminoazobenzene-2'-carboxylic acid sodium salt, Benzoic acid, 2-((4-(dimethylamino)phenyl)azo)-, sodium salt, 493-52-7

Molecular Formula: C15H14N3NaO2Molecular Weight: 291.280330 [g/mol]
H-Bond Donor: 0H-Bond Acceptor: 5


• Methyl Violet
IUPAC Name: [4-[[4-(dimethylamino)phenyl]-[4-(methylamino)phenyl]methylidene]cyclohexa-2,5-dien-1-ylidene]-dimethylazanium | CAS Registry Number: 8004-87-3
Synonyms: ZINC03861439, CID2724053, NCGC00167545-01

Molecular Formula: C24H28N3+Molecular Weight: 358.499220 [g/mol]
H-Bond Donor: 1H-Bond Acceptor: 2


• Methylene blue
IUPAC Name: [7-(dimethylamino)phenothiazin-3-ylidene]-dimethylazanium chloride | CAS Registry Number: 61-73-4
Synonyms: methylene blue, Chromosmon, Basic blue 9, Swiss Blue, Urolene blue, Bleu de methylene, External Blue 1, Methylene Blue A, Methylene Blue B, Methylene Blue D, Methylene Blue G, Methylene Blue N, Methylenblau, Tetramethylene Blue, Calcozine Blue ZF, Methylene Blue BB, Methylene Blue BD, Methylene Blue BP, Methylene Blue BX, Methylene Blue BZ

Molecular Formula: C16H18ClN3SMolecular Weight: 319.852220 [g/mol]
H-Bond Donor: 0H-Bond Acceptor: 3


• Nile Blue A
IUPAC Name: [9-(diethylamino)benzo[a]phenoxazin-5-ylidene]azanium sulfate | CAS Registry Number: 3625-57-8
Synonyms: Nile Blue sulfate, Nile Blue A sulfate, Basic Blue- 12, N0766_SIGMA, N5632_SIGMA, 121479_ALDRICH, NSC 3250, 72480_FLUKA, EINECS 222-832-5, NSC 34914, LS-38960, Bis(5-amino-9-(diethylamino)benzo(a)phenoxazin-7-ium) sulphate, 5H-Benzo(a)phenazoxazine, 9-(diethylamino)-5-imino-, sulfate (2:1), BENZO(a)PHENOXAZIN-7-IUM, 5-AMINO-9-(DIETHYLAMINO)-, SULFATE (2:1), 2381-85-3

Molecular Formula: C40H40N6O6SMolecular Weight: 732.847200 [g/mol]
H-Bond Donor: 2H-Bond Acceptor: 10


• Orange II
IUPAC Name: sodium 4-[(2E)-2-(2-oxonaphthalen-1-ylidene)hydrazinyl]benzenesulfonate | CAS Registry Number: 633-96-5
Synonyms: Naphthol orange, Acid Orange A, Colacid Orange, Persian Orange, Fenazo Orange, Curol Orange, Solar Orange, Acid Orange, Acid orange ii, Mandarin G, Tropaeolin OOO, Amacid Orange Y, Orange Y, Orange Extra N, Orange Extra P, Kiton Orange II, Perca Orange GR, Lake Orange A, Orange YA, Orange YZ

Molecular Formula: C16H11N2NaO4SMolecular Weight: 350.324310 [g/mol]
H-Bond Donor: 1H-Bond Acceptor: 6


• Orcein
IUPAC Name: 2,8-bis(2,4-dihydroxy-6-methylanilino)-1,9-dimethyldibenzofuran-3,7-dione | CAS Registry Number: 1400-62-0
Synonyms: Pacein, NCIStruc1_000110, NCIStruc2_001941, NSC610930, ZINC01611596, AIDS013338, AIDS-013338, EINECS 215-750-6, NCGC00014927, NCI610930, CID5386447, NSC-610930, NCGC00098027-01, NCI60_004804, LT03380395, O0061, 2,8-bis(2,4-dihydroxy-6-methylanilino)-1,9-dimethyldibenzo[b,d]furan-3,7-dione, 220751-92-8, 3,7-Dibenzofurandione, 2,8-bis[(2,4-dihydroxy-6-methylphenyl)amino]-9a,9b-dihydro-1,9-dimethyl-

Molecular Formula: C28H24N2O7Molecular Weight: 500.499360 [g/mol]
H-Bond Donor: 6H-Bond Acceptor: 9


• Phenol Red
IUPAC Name: 4-[3-(4-hydroxyphenyl)-1,1-dioxobenzo[c]oxathiol-3-yl]phenol | CAS Registry Number: 143-74-8
Synonyms: Sulfonphthal, Fenolipuna, Sulphental, Sulphonthal, phenolsulfonphthalein, PHENOL RED, PSP (indicator), Phenolsulphonphthalein, Phenol red solution, Phenolsulfonephthalein, Phenolsulfonphthalein (TN), NSC10459, NCIStruc1_001090, NCIStruc2_000839, Phenolsulfonphthalein [BAN:JAN], 32661_RIEDEL, P0290_SIAL, P3532_SIAL, P. S. P., EINECS 205-609-7

Molecular Formula: C19H14O5SMolecular Weight: 354.376460 [g/mol]
H-Bond Donor: 2H-Bond Acceptor: 5


• Rhodamine B Base, Alcohol Soluble
IUPAC Name: 3',6'-bis(diethylamino)spiro[2-benzofuran-3,9'-xanthene]-1-one | CAS Registry Number: 509-34-2
Synonyms: Rhodamine B base, Lacquer Pink S, Certiqual Rhodamine, Fast Oil Pink B, Solvent Red 49, Rhodamine B lactone, Rhodamine S lactone, Eljon Magenta Toner, Waxoline Rhodamine B, Waxoline Rhodamine BS, Solvent Red- 49, Aizen Rhodamine B Base, Rhodamine B Base Extra, Rhodamine B Extra Base, Rhodamine Base B Extra, C.I. Solvent Red 49, 234141_ALDRICH, NSC43944, EINECS 208-096-8, NSC 43944

Molecular Formula: C28H30N2O3Molecular Weight: 442.549400 [g/mol]
H-Bond Donor: 0H-Bond Acceptor: 5


• Rose Bengal
IUPAC Name: 4,5,6,7-tetrachloro-2',7'-dihydroxy-1',3',6',8'-tetraiodospiro[2-benzofuran-3,9'-xanthene]-1-one | CAS Registry Number: 632-69-9
Synonyms: Rose bengal B, EINECS 223-993-4, 127695-05-0, 4,5,6,7-Tetrachloro-3',6'-dihydroxy-2',4',5',7'-tetraiodospiro(isobenzofuran-1(3H),9'-(9H)xanthene)-3-one, 4159-77-7, 518-38-7, 632-68-8, Spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, 4,5,6,7-tetrachloro-3',6'-dihydroxy-2',4',5',7'-tetraiodo-

Molecular Formula: C20H4Cl4I4O5Molecular Weight: 973.672640 [g/mol]
H-Bond Donor: 2H-Bond Acceptor: 5


• Ruthenium Red
IUPAC Name: azane; ruthenium(2+); hexachloride; dihydrate | CAS Registry Number: 11103-72-3
Synonyms: RUTHENIUM RED, Ammoniated ruthenium oxychloride, R2751_SIAL, 84071_FLUKA

Molecular Formula: Cl6H46N14O2Ru3Molecular Weight: 790.385840 [g/mol]
H-Bond Donor: 16H-Bond Acceptor: 22


• Safranine O
IUPAC Name: 3,7-dimethyl-10-phenylphenazin-10-ium-2,8-diamine chloride | CAS Registry Number: 477-73-6
Synonyms: Gossypimine, Tolusafranine, Safranin, Safranin O, Safranin T, Safranine, Hidaco safranine, Safranine Zh, Safranine A, Safranine B, Safranine G, Safranine J, Safranine T, Safranine Y, Safranine GF, Safranine OK, Safranine TH, Safranine TN, Safranine TS, Safranine YN

Molecular Formula: C20H19ClN4Molecular Weight: 350.844660 [g/mol]
H-Bond Donor: 2H-Bond Acceptor: 4


• Scarlet Chrome
IUPAC Name: disodium 2',4',5',7'-tetrabromo-4,5,6,7-tetrachloro-3-oxospiro[2-benzofuran-1,9'-xanthene]-3',6'-diolate | CAS Registry Number: 18472-87-2
Synonyms: Cyanosin, Cyanosine, Phloxine B, Eosine bluish, Eosine Blue, Cyanosin B, Eosin Blue, Phloxine P, Phloxin B, Water Pink 2, Acid red 92, Daiwa Red 45, Cyanosin (acid dye), Japan Red 104, Orient Water Pink 2, Food Red 104, Aizen Acid Phloxine PB, Japan Red 104-1, Food Red No. 104, 3427 Veri Pur Pink

Molecular Formula: C20H2Br4Cl4Na2O5Molecular Weight: 829.634420 [g/mol]
H-Bond Donor: 0H-Bond Acceptor: 5


• Solvent Black 5
IUPAC Name: 2-amino-N,N-dipropylacetamide;hydrochloride | CAS Registry Number: 11099-03-9
Synonyms: 2-AMINO-N,N-DIPROPYLACETAMIDE HYDROCHLORIDE, 110984-06-0, SCHEMBL9867770, CTK6E3985, 2018AA, 2019AA, 8764AC, AKOS015848267, AK-75459, OR149692

Molecular Formula: C8H19ClN2OMolecular Weight: 194.703 [g/mol]
H-Bond Donor: 2H-Bond Acceptor: 2


• Solvent Red 23
IUPAC Name: (1Z)-1-[(4-phenyldiazenylphenyl)hydrazinylidene]naphthalen-2-one | CAS Registry Number: 85-86-9
Synonyms: Fettscharlach, Cerasinrot, Fettrot, Rouge cerasine, Organol Scarlet, Stearix Scarlet, Fettponceau G, Pyronalrot B, Cerasin Red, Oil Scarlet, Sudan III, Fettscharlach LB, Toney Red, Solvent red 23, Oil Scarlet G, Fat Scarlet LB, Oil Red, Oil Scarlet AS, Organol Red BS, Soudan III

Molecular Formula: C22H16N4OMolecular Weight: 352.388640 [g/mol]
H-Bond Donor: 1H-Bond Acceptor: 5


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