Dye|Dye intermediates|Fluorescent Brightener|pigment dye

Name: Ethyl 3-oxobutanoate CA Name: Butanoic acid,3-oxo-,ethyl ester Molecular Structure: Molecular Formula:C6H10O3 Molecular Weight: 130.14 CAS Registry Number: 141-97-9

Name: 1-Methyl-1,2-dihydropyridin-2-amine,monohydrochloride CA Name: 2( 1H)-Pyridinimine,1 -methyl-,monohydrochloride Molecular Structure: Molecular Formula:C6H9ClN2 Molecular Weight: 144.60 CAS Registry Number: 69294-98-0

Name: 4,6-Diaminobenzene-1,3-disulfonic acid CA Name: 1,3-Benzenedisulfonic acid,4,6-diamino- Molecular Structure: Molecular Formula:C6H8N2O6S2 Molecular Weight: 268.27 CAS Registry Number: 137-50-8

Name: 3,5-Diamino-4-hydroxybenzenesulfonic acid CA Name: Benzenesulfonic acid,3,5-diamino-4-hydroxy Molecular Structure: Molecular Formula:C6H8N2O4S Molecular Weight: 204.20 CAS Registry Number: 5857-96-5

Name: 2,5-Diaminobenzenesulfonic acid CA Name: Benzenesulfonic acid,2,5-diamino- Molecular Structure: Molecular Formula:C6H8N2O3S Molecular Weight: 188.20 CAS Registry Number: 88-45-9