Profile: Supertex Sarex offers speciality chemicals. We produce dyestuff, textile chemical, fine and pharma chemicals. Our fine chemicals include 1,3-propanedithiol 1,4-butanedithiol 1-aminopyridinium iodide, 1-chloro-2,4-dinitrobenzene 2,2'-thiodiethanol 2,5-dichlorothiophene 2,5-dibromopyridine and 2,6-dinitro-4-methylanisole. We are accredited with ISO 9001:2000 certification.