Aodong Chemical Co., Ltd.

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Profile: Aodong Chemical Co., Ltd. specializes in R&D, production & sales of paper-making chemicals, rubber ingredients and dyeing & printing auxiliaries. We are ISO 9002 certified. Some of our brighteners are fluorescence whitening agents such as MST, CXT, 4BK and BA. Our liquid fluorescence whitening agent, MST is a green-yellow transparent liquid with chrysophenine derivate as the main component. Our fluorescence whitening agent, CXT is a white or faint yellow powder that has chrysophenine derivate as the main component. It is used in the whitening treatment of cotton, polyester cotton, silk and long vegetable fiber.

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• Aluminum brighteners

• Brightener Vbl

• Brighteners

• C.I. FLUORESCENT BRIGHTENER 118 (CAS: 61373-76-0)

• C.I. FLUORESCENT BRIGHTENER 156 (CAS: 12224-20-3)

• C.I. FLUORESCENT BRIGHTENER 162 (CAS: 3271-26-9)

• C.I. FLUORESCENT BRIGHTENER 192 (CAS: 12270-54-1)

• C.I. FLUORESCENT BRIGHTENER 194 (CAS: 12270-56-3)

• C.I. FLUORESCENT BRIGHTENER 203 (CAS: 150315-58-5)

• C.I. FLUORESCENT BRIGHTENER 205

IUPAC Name: disodium;5-[[4-anilino-6-(methylamino)-1,3,5-triazin-2-yl]amino]-2-[(E)-2-[4-[[4-anilino-6-(methylamino)-1,3,5-triazin-2-yl]amino]-2-sulfonatophenyl]ethenyl]benzenesulfonate | CAS Registry Number: 61951-69-7
Synonyms: UNII-S3GWQ1ID6Z, EINECS 250-860-8, S3GWQ1ID6Z, Disodium 4,4'-bis((4-anilino-6-methylamino-s-triazin-2-yl)amino)stilbene-2,2'-disulfonate, 2,2'-Stilbenedisulfonic acid, 4,4'-bis((4-anilino-6-methylamino-s-triazin-2-yl)amino)-, disodium salt, Disodium 4,4'-bis((6-anilino-4-(methylamino)-1,3,5-triazin-2-yl)amino)stilbene-2,2'-disulphonate, C.I. Fluorescent Bringtener 205, AC1O5SRJ, C.I. 508150, Fluorescent brightener 205, Sodium 4,4'-bis((6-anilino-4-(methylamino)-1,3,5-triazin-2-yl)amino)stilbene-2,2'-disulphonate, EINECS 286-162-5, LS-146843, Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis(5-((4-(methylamino)-6-(phenylamino)-1,3,5-triazin-2-yl)amino)-, sodium salt, Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis(5-((4-(methylamino)-6-(phenylamino)-1,3,5-triazin-2-yl)amino)-, sodium salt (1:?), Disodium 4,4'-bis[[6-anilino-4-(methylamino)-1,3,5-triazin-2-yl]amino]stilbene-2,2'-disulfonate, disodium 5-[[4-anilino-6-(methylamino)-1,3,5-triazin-2-yl]amino]-2-[(E)-2-[4-[[4-anilino-6-(methylamino)-1,3,5-triazin-2-yl]amino]-2-sulfonatophenyl]ethenyl]benzenesulfonate

Molecular Formula:	C₃₄H₃₀N₁₂Na₂O₆S₂	Molecular Weight:	812.792 [g/mol]
H-Bond Donor:	6	H-Bond Acceptor:	18

InChIKey: KQIXHGNMGGYJAC-QDBORUFSSA-L

• C.I. FLUORESCENT BRIGHTENER 217 (CAS: 72414-07-4)

• C.I. Fluorescent Brightener 238 (CAS: 61968-73-8)

• C.I. FLUORESCENT BRIGHTENER 24

IUPAC Name: disodium 5-[[4-[bis(2-hydroxyethyl)amino]-6-(3-sulfonatoanilino)-1,3,5-triazin-2-yl]amino]-2-[(E)-2-[4-[[4-[bis(2-hydroxyethyl)amino]-6-(3-sulfonatoanilino)-1,3,5-triazin-2-yl]amino]-2-sulfonatophenyl]ethenyl]benzenesulfonate | CAS Registry Number: 12224-02-1
Synonyms: Fungiqual, Heliofor P, Mikephor BN, Belofor STsD, Kayaphor BSN, Whitex BB, Tinopal 2B, Tinopal 2BF, C.I. Fluorescent Brightener 24, EINECS 235-422-6, C.I. Fluorescent Brightening Agent 24, C.I. Fluorescent brightenening agent 24, CID6440123, LS-53703, Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis(5-((4-(bis(2-hydroxyethyl)amino)-6-((3-sulfophenyl)amino)-1,3,5-triazin-2-yl)amino)-, tetrasodium salt, Tetrasodium 4,4'-bis((4-(bis(2-hydroxyethyl)amino)-6-((3-sulphonatophenyl)amino)-1,3,5-triazin-2-yl)amino)stilbene-2,2'-disulphonate, 107634-65-1, 12677-04-2, 16470-25-0, 41614-14-6

Molecular Formula:	C₄₀H₄₀N₁₂Na₂O₁₆S₄-₂	Molecular Weight:	1119.055940 [g/mol]
H-Bond Donor:	8	H-Bond Acceptor:	28

InChIKey: LCBNRTVDYLQISA-MIIBGCIDSA-J

• C.I. FLUORESCENT BRIGHTENER 271 (CAS: 72413-95-7)

• C.I. FLUORESCENT BRIGHTENER 312 (CAS: 52232-14-1)

• C.I. FLUORESCENT BRIGHTENER 317 (CAS: 61931-44-0)

• C.I. FLUORESCENT BRIGHTENER 321 (CAS: 205510-59-4)

• C.I. FLUORESCENT BRIGHTENER 328 (CAS: 99549-43-6)

• C.I. FLUORESCENT BRIGHTENER 339 (CAS: 60650-94-4)

• C.I. FLUORESCENT BRIGHTENER 340 (CAS: 107028-80-8)

• C.I. FLUORESCENT BRIGHTENER 374:1 (CAS: 94395-89-8)

• C.I. FLUORESCENT BRIGHTENER 49 (CAS: 60800-31-9)

• C.I. FLUORESCENT BRIGHTENER 54

IUPAC Name: sodium;4-[5-(4-chlorophenyl)-3-phenyl-3,4-dihydropyrazol-2-yl]benzenesulfonate | CAS Registry Number: 12768-89-7
Synonyms: EINECS 255-038-2, 40691-09-6, 2-Pyrazoline, 1-(4-sulfophenyl)-3-(4-chlorophenyl)-5-phenyl-, sodium salt, Sodium 1-(4-sulfophenyl)-3-(4-chlorophenyl)-5-phenyl-2-pyrazoline, Benzenesulfonic acid, 4-(3-(4-chlorophenyl)-4,5-dihydro-5-phenyl-1H-pyrazol-1-yl)-, sodium salt, Tinopal WG, Uvitex WG, Whitex WG, Sodium 4-(3-(4-chlorophenyl)-4,5-dihydro-5-phenyl-1H-pyrazol-1-yl)benzenesulphonate, FLUORESCENT BRIGHTENER 54, AC1Q1VEQ, C.I. 505510, C.I.Fluoresent Brightener 54, SCHEMBL19535045, CTK4I3572, C.I. Fluorescent Brightener 54, AKOS015964250, sodium 4-[3-(4-chlorophenyl)-5-phenyl-4,5-dihydro-1h-pyrazol-1-yl]benzenesulfonate, LS-31827, 99551-12-9

Molecular Formula:	C₂₁H₁₆ClN₂NaO₃S	Molecular Weight:	434.870 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	5

InChIKey: UTJLWJQDJWWHIB-UHFFFAOYSA-M

• C.I. FLUORESCENT BRIGHTENER 90

IUPAC Name: disodium 5-[(4-anilino-6-methoxy-1,3,5-triazin-2-yl)amino]-2-[(E)-2-[4-[(4-anilino-6-methoxy-1,3,5-triazin-2-yl)amino]-2-sulfonatophenyl]ethenyl]benzenesulfonate | CAS Registry Number: 12224-08-7
Synonyms: Intrawhite CF, Leucophor PC, Heliofor CSP, Heliofor RCP, Belofor KB, Photine HV, Uvitex CF, Rylux PRS, Uvitex CF 200, Uvitex CF conc. PRS, Fluorescent Brightener 134, FBA-90, C.I. FBA 90, C.I. Fluorescent Brightener 134, C.I. Fluorescent Brightener 213, EINECS 222-326-4, 7342-13-4 (Parent), EINECS 285-882-7, CID6444191, LS-146842

Molecular Formula:	C₃₄H₂₈N₁₀Na₂O₈S₂	Molecular Weight:	814.757860 [g/mol]
H-Bond Donor:	4	H-Bond Acceptor:	18

InChIKey: BDYOOAPDMVGPIQ-QDBORUFSSA-L

• C.I. FLUORESCENT BRIGHTENER 99 (CAS: 61725-19-7)

• C.I. FluorescentBrightener 357 (9CI) (CAS: 83512-97-4)

• Cellufluor

IUPAC Name: disodium 5-[[4-anilino-6-[bis(2-hydroxyethyl)amino]-1,3,5-triazin-2-yl]amino]-2-[2-[4-[[4-anilino-6-[bis(2-hydroxyethyl)amino]-1,3,5-triazin-2-yl]amino]-2-sulfonatophenyl]ethenyl]benzenesulfonate | CAS Registry Number: 4193-55-9
Synonyms: Kayaphor FB, Phorwite AR, Tinopal UNPA, Paper White BP, Tinopal 5BMS, Uvitex 4BM, Blancophor MS 31, Blancophor MS 72, Tinophen MS 31, Tinophen MS 72, Calcofluor White ST, Calcofluor White LRP, Blancophor RG 96FS, Calcofluor White M 2R, Fluorescent Brightener 28, Calcofluor White M2R, Hiltamine Arctic White CWD, C.I. Fluorescent Brightener 28, EINECS 224-073-5, CID43030

Molecular Formula:	C₄₀H₄₂N₁₂Na₂O₁₀S₂	Molecular Weight:	960.945420 [g/mol]
H-Bond Donor:	8	H-Bond Acceptor:	22

InChIKey: YJHDFAAFYNRKQE-UHFFFAOYSA-L

• Disodium4,4'-Bis(2-Sulfostyryl)Biphenyl

IUPAC Name: disodium 2-[(Z)-2-[4-[4-[(Z)-2-(2-sulfonatophenyl)ethenyl]phenyl]phenyl]ethenyl]benzenesulfonate | CAS Registry Number: 27344-41-8
Synonyms: Tinopal CBS, Tinopal CBS-X, STILBENE 3, FBA 351, EINECS 248-421-0, Disodium 4,4'-bis(2-sulfostyryl)biphenyl, CID6434006, LS-31779, Benzenesulfonic acid, 2,2'-(4,4'-biphenylylenedivinylene)di-, disodium salt, Disodium 2,2'-((1,1'-biphenyl)-4,4'-diyldivinylene)bis(benzenesulphonate), Benzenesulfonic acid, 2,2'-((1,1'-biphenyl)-4,4'-diyldi-2,1-ethenediyl)bis-, disodium salt, Disodium 4,4'-bis-((4-anilino-6-(N-methyl-2-hydroxyethylamino)-1,3,5-triazin-2-yl)amino)stilbene-2,2'-disulfonate, 38775-22-3, 63439-81-6, 71124-07-7

Molecular Formula:	C₂₈H₂₀Na₂O₆S₂	Molecular Weight:	562.564340 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	6

InChIKey: PMPJQLCPEQFEJW-GNTLFSRWSA-L

• Fluorescence Brighteners

• Fluorescent Brightener 61

IUPAC Name: disodium;7-(diethylamino)-4-methylchromen-2-one;sulfate | CAS Registry Number: 12224-04-3
Synonyms: Calcofluor White RWP, C.I. Fluorescent Brightener 56, C.I. Fluorescent Brightener 61, 2H-1-Benzopyran-2-one, 7-(diethylamino)-4-methyl-, mixt. with disodium sulfate, 7-(Diethylamino)-4-methyl-2H-1-benzopyran-2-one mixt. with disodium sulfate, 1340-71-2, 1340-72-3, 39471-50-6, 51848-33-0, 52051-36-2, 8066-05-5

Molecular Formula:	C₁₄H₁₇NNa₂O₆S	Molecular Weight:	373.332419 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	7

InChIKey: VCVLWUCCHFGCRM-UHFFFAOYSA-L

• FLUORESCENT BRIGHTENER 1 (CAS: 15339-39-6)

• FLUORESCENT BRIGHTENER 101 (CAS: 51848-34-1)

• Fluorescent Brightener 113

IUPAC Name: disodium;5-[[4-anilino-6-(diethoxyamino)-1,3,5-triazin-2-yl]amino]-2-[(Z)-2-[4-[[4-anilino-6-(diethoxyamino)-1,3,5-triazin-2-yl]amino]-2-sulfonatophenyl]ethenyl]benzenesulfonate | CAS Registry Number: 12768-92-2
Synonyms: Blankophor BA, stilbene derivative, optical brightener 113, fluorescent brightening agent 113, C.I. Fluorescent Brightener 113

Molecular Formula:	C₄₀H₄₂N₁₂Na₂O₁₀S₂	Molecular Weight:	960.950 [g/mol]
H-Bond Donor:	4	H-Bond Acceptor:	22

InChIKey: JUBLHYOQMVXSEM-YSRXXYTISA-L

• Fluorescent Brightener 119 (CAS: 12270-52-9)

• Fluorescent Brightener 121

IUPAC Name: 4-[5-(4-chlorophenyl)-3,4-dihydropyrazol-2-yl]benzenesulfonamide | CAS Registry Number: 2744-49-2
Synonyms: 1-Methylcyclopropanemethanol, CBDivE_007868, MolPort-002-140-226, CID75972, EINECS 220-378-2, 4-(3-(4-Chlorophenyl)-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonamide, 4-(3-(4-Chlorophenyl)-4,5-dihydro-1H-pyrazol-1-yl)benzenesulphonamide, Benzenesulfonamide, 4-(3-(4-chlorophenyl)-4,5-dihydro-1H-pyrazol-1-yl)-, 12224-11-2, 67894-04-6

Molecular Formula:	C₁₅H₁₄ClN₃O₂S	Molecular Weight:	335.808560 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	5

InChIKey: VZTHUHAJEZPWNC-UHFFFAOYSA-N

• Fluorescent Brightener 134

IUPAC Name: disodium 5-[(4-anilino-6-methoxy-1,3,5-triazin-2-yl)amino]-2-[(E)-2-[4-[(4-anilino-6-methoxy-1,3,5-triazin-2-yl)amino]-2-sulfonatophenyl]ethenyl]benzenesulfonate | CAS Registry Number: 3426-43-5
Synonyms: Intrawhite CF, Leucophor PC, Heliofor CSP, Heliofor RCP, Belofor KB, Photine HV, Uvitex CF, Rylux PRS, Uvitex CF 200, Uvitex CF conc. PRS, FBA-90, C.I. FBA 90, C.I. Fluorescent Brightener 134, C.I. Fluorescent Brightener 213, EINECS 222-326-4, 7342-13-4 (Parent), EINECS 285-882-7, CID6444191, LS-146842, (Bis(2-methoxy-4-anilinocyanurato)-4,4'-diamino)stilbene-2,2'-disulfonic acid disodium salt

Molecular Formula:	C₃₄H₂₈N₁₀Na₂O₈S₂	Molecular Weight:	814.757860 [g/mol]
H-Bond Donor:	4	H-Bond Acceptor:	18

InChIKey: BDYOOAPDMVGPIQ-QDBORUFSSA-L

• Fluorescent Brightener 135

IUPAC Name: 5-methyl-2-[(E)-2-(5-methyl-1,3-benzoxazol-2-yl)ethenyl]-1,3-benzoxazole | CAS Registry Number: 1041-00-5
Synonyms: SK (fluorescent brightener), EINECS 241-271-7, MolPort-002-144-063, Benzoxazole, vinylenebis[5-methyl-, EINECS 213-866-1, ZINC03998020, 1,2-Bis(5-methylbenzoxazol-2-yl)ethylene, 2,2'-Vinylenebis(5-methylbenzoxazole), CID5332173, (E)-2,2'-Vinylenebis(5-methylbenzoxazole), trans-2,2'-Ethylenebis(5-methylbenzoxazole), LS-42189, Benzoxazole, 2,2'-vinylenebis(5-methyl-, (E)-, alpha,beta-Di(5-methylbenzoxazol-2-yl)ethene, 2,2'-(1,2-Ethenediyl)bis(5-methylbenzoxazole), Benzoxazole, 2,2'-(1E)-1,2-ethenediylbis(5-methyl-, Benzoxazole, 2,2'-(1,2-ethenediyl)bis(5-methyl-, Benzoxazole, 2,2'-(1,2-ethenediyl)bis(5-methyl-, (E)-, Benzoxazole, 2,2'-(1,2-ethenediyl)bis[5-methyl-, SK

Molecular Formula:	C₁₈H₁₄N₂O₂	Molecular Weight:	290.315960 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	4

InChIKey: VKRZNAWSCAUDRQ-BQYQJAHWSA-N

• FLUORESCENT BRIGHTENER 162

IUPAC Name: 6-methoxy-2-methylbenzo[de]isoquinoline-1,3-dione

Molecular Formula:	C₁₄H₁₁NO₃	Molecular Weight:	241.242040 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	3

InChIKey: CNUWYNDMLFVRBU-UHFFFAOYSA-N

• FLUORESCENT BRIGHTENER 179

IUPAC Name: 2,4-dimethoxy-6-pyren-1-yl-1,3,5-triazine | CAS Registry Number: 12224-35-0
Synonyms: EINECS 221-896-1, CID76757, 2,4-Dimethoxy-6-pyren-1-yl-1,3,5-triazine, 1-(4,6-Dimethoxy-1,3,5-triazin-2-yl)pyrene, 2-(1-Pyrenyl)-4,6-dimethoxy-1,3,5-triazine, 1,3,5-Triazine, 2,4-dimethoxy-6-(1-pyrenyl)-, 3271-22-5

Molecular Formula:	C₂₁H₁₅N₃O₂	Molecular Weight:	341.362700 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	5

InChIKey: FYGHRTSDRSCANY-UHFFFAOYSA-N

• FLUORESCENT BRIGHTENER 181 (CAS: 12224-37-2)

• FLUORESCENT BRIGHTENER 184

IUPAC Name: 5-tert-butyl-2-[5-(5-tert-butyl-1,3-benzoxazol-2-yl)thiophen-2-yl]-1,3-benzoxazole | CAS Registry Number: 12224-40-7
Synonyms: BBOT, Uvitex OB, Ambcb5255921, BBOT 150, CBDivE_008000, BIDD:GT0727, 2,5-Bis(5-tert-butyl-2-benzoxazolyl)thiophene, EINECS 230-426-4, MolPort-001-757-249, NSC 158163, 223999_SIAL, CID292429, NSC158163, STK386365, ZINC01601800, AC-10399, BAS 00532110, LS-42227, 2,5-Bis(5-tert-butylbenzoxazol-2-yl)thiophene, B1554

Molecular Formula:	C₂₆H₂₆N₂O₂S	Molecular Weight:	430.561840 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	4

InChIKey: AIXZBGVLNVRQSS-UHFFFAOYSA-N

• FLUORESCENT BRIGHTENER 185

IUPAC Name: 2-[5-(1,3-benzoxazol-2-yl)thiophen-2-yl]-1,3-benzoxazole | CAS Registry Number: 12224-41-8
Synonyms: Uvitex EBF, Uvitex sof, Thiophenebis(benzoxazolyl), Fba 185, SOF (fluorescent brightener), CBDivE_007759, 2,5-Bis(benzoxazol-2-yl)thiophene, EINECS 220-685-1, 2,5-Bis(2-benzoxazoyl)thiophene, MolPort-002-112-267, C.I. Fluorescent Brightener 190, CID17867, Thiophene, 2,5-di(benzoxazol-2-yl)-, STK367333, ZINC00236153, 2,2'-(2,5-Thiophenediyl)bisbenzoxazole, 2,2'-Thiophene-2,5-diylbis(benzoxazole), C.I. Fluorescent brightening agent 190, Benzoxazole, 2,2'-(2,5-thiophenediyl)bis-, LS-42226

Molecular Formula:	C₁₈H₁₀N₂O₂S	Molecular Weight:	318.349200 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	4

InChIKey: UGFSLKRMHPGLFU-UHFFFAOYSA-N

• Fluorescent Brightener 191 (CAS: 12270-53-0)

• FLUORESCENT BRIGHTENER 200 (CAS: 61968-72-7)

• Fluorescent Brightener 204 (CAS: 76482-77-4)

• FLUORESCENT BRIGHTENER 206 (CAS: 12642-93-2)

• Fluorescent Brightener 210

IUPAC Name: 2-[(E)-2-[4-(methylamino)-2-sulfonatophenyl]ethenyl]-5-[[4-morpholin-4-yl-6-(4-sulfonatoanilino)-1,3,5-triazin-2-yl]amino]benzenesulfonate; 4-[(4-methyl-6-morpholin-4-yl-1,3,5-triazin-2-yl)amino]benzenesulfonate; sodium | CAS Registry Number: 28950-61-0
Synonyms: Photine BTM, C.I. Fluorescent Brightener 210, C.I. Fluorescent Brightener 211, EINECS 249-323-0, CID6440893, LS-31929, 2,2'-Stilbenedisulfonic acid, 4,4'-bis((4-morpholino-6-(p-sulfoanilino)-s-triazin-2-yl)amino)-, tetrasodium salt, Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis(5-((4-(4-morpholinyl)-6-((4-sulfophenyl)amino)-1,3,5-triazin-2-yl)amino)-, tetrasodium salt, Tetrasodium 4,4'-bis((4-morpholino-6-(p-sulphonatoanilino)-1,3,5-triazin-2-yl)amino)stilbene-2,2'-disulphonate, 52276-79-6, 78851-79-3, Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis(5-((4-(4-morpholinyl)-6-((4-sulfophenyl)amino)-1,3,5-triazin-2-yl)amino)-, sodium salt (1:4)

Molecular Formula:	C₄₂H₄₂N₁₂Na₄O₁₄S₄-₄	Molecular Weight:	1159.073960 [g/mol]
H-Bond Donor:	4	H-Bond Acceptor:	26

InChIKey: XQESDAXKAMZHMR-YWURNZKTSA-J

• FLUORESCENT BRIGHTENER 230

IUPAC Name: disodium;5-[[4-[(3-amino-3-oxopropyl)-(2-hydroxyethyl)amino]-6-anilino-1,3,5-triazin-2-yl]amino]-2-[(E)-2-[4-[[4-[(3-amino-3-oxopropyl)-(2-hydroxyethyl)amino]-6-anilino-1,3,5-triazin-2-yl]amino]-2-sulfonatophenyl]ethenyl]benzenesulfonate | CAS Registry Number: 27344-06-5
Synonyms: EINECS 248-420-5, AC1O5UJH, Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis(5-((4-((3-amino-3-oxopropyl)(2-hydroxyethyl)amino)-6-(phenylamino)-1,3,5-triazin-2-yl)amino)-, disodium salt, Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis(5-((4-((3-amino-3-oxopropyl)(2-hydroxyethyl)amino)-6-(phenylamino)-1,3,5-triazin-2-yl)amino)-, sodium salt (1:2), Disodium 4,4'-bis((4-anilino-6-((2-carbamoylethyl)(2-hydroxyethyl)amino)-1,3,5,-triazin-2-yl)amino)stilbene-2,2'-disulphonate, disodium 5-[[4-[(3-amino-3-oxopropyl)-(2-hydroxyethyl)amino]-6-anilino-1,3,5-triazin-2-yl]amino]-2-[(E)-2-[4-[[4-[(3-amino-3-oxopropyl)-(2-hydroxyethyl)amino]-6-anilino-1,3,5-triazin-2-yl]amino]-2-sulfonatophenyl]ethenyl]benzenesulfonate

Molecular Formula:	C₄₂H₄₄N₁₄Na₂O₁₀S₂	Molecular Weight:	1014.996099 [g/mol]
H-Bond Donor:	8	H-Bond Acceptor:	22

InChIKey: KXZDXBWYWMOFCR-YHPRVSEPSA-L

• Fluorescent Brightener 251

IUPAC Name: tetrasodium 5-[[4-(2-hydroxyethylamino)-6-(3-sulfoanilino)-1,3,5-triazin-2-yl]amino]-2-[(E)-2-[4-[[4-(2-hydroxyethylamino)-6-(3-sulfoanilino)-1,3,5-triazin-2-yl]amino]-2-sulfophenyl]ethenyl]benzenesulfonic acid | CAS Registry Number: 16324-27-9
Synonyms: Wobital BBK, EINECS 240-400-4, CID6440853, LS-31926, 2,2'-(1,2-Ethenediyl)bis(5-(4-((2-hydroxyethyl)amino)-6-((m-sulfophenyl)amino)-1,3,5-triazin-2-yl)amino)benzenesulfonic acid, tetrasodium salt, 2,2'-Stilbenedisulfonic acid, 4,4'-bis((4-((2-hydroxyethyl)amino)-6-(m-sulfoanilino)-s-triazin-2-yl)amino)-, tetrasodium salt, 4,4'-Bis((4-((2-hydroxyethyl)amino)-6-(m-sulfoanilino)-s-triazin-2-yl)amino)-2,2'-stilbenedisulfonic acid tetrasodium salt, Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis(5-((4-((2-hydroxyethyl)amino)-6-((3-sulfophenyl)amino)-1,3,5-triazin-2-yl)amino)-, tetrasodium salt, Tetrasodium 4,4'-bis((4-((2-hydroxyethyl)amino)-6-(m-sulphonatoanilino)-1,3,5-triazin-2-yl)amino)stilbene-2,2'-disulphonate, 11107-83-8, 12270-51-8, 12676-26-5, 61968-74-9, 75026-69-6, Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis(5-((4-((2-hydroxyethyl)amino)-6-((3-sulfophenyl)amino)-1,3,5-triazin-2-yl)amino)-, sodium salt (1:4)

Molecular Formula:	C₃₆H₃₆N₁₂Na₄O₁₄S₄+₄	Molecular Weight:	1080.962120 [g/mol]
H-Bond Donor:	12	H-Bond Acceptor:	26

InChIKey: HECFMGCMMKUMIN-YZNHWISSSA-N

• Fluorescent Brightener 263 (CAS: 99549-42-5)