| DYES INTERMEDIATES |
| Sr. No. |
Chemical Name |
Synonym |
M.W |
CAS NO. |
Structure |
Application |
| 1 |
3-sulphonyl 4-amino phenyl beta hydroxy ethyl sulphone sulphate ester |
Sulpho para base VS |
361.37gm/mole |
42986-22-1 |
 |
Re. Red, Re. Orange & Re. Mix Black |
| 2 |
5-sulphonyl 1-amino 2-methoxylphenyl beta hydroxy ethyl |
Sulfo OAVS |
391.40gm/mole |
42986-22-1 |
 |
Re. Blue & Re. Red |
| 3 |
5-sulphonyl 1-amino 2-methoxylphenyl beta hydroxy ethyl |
Sulpho J acid |
319.31gm/mole |
6535-70-2 |
 |
Re. Orange |
| 4 |
2-aminobenzene-1,4-disulphonic acid |
Aniline 2;5 DSA |
253.25gm/mole |
98-44-2 |
 |
Optical Whitening Agent; Pigment Saturn Yellow 5GL |
| 5 |
4-aminobenzene-1,3-disulfonic acid |
Aniline 2;4 DSA |
253.25gm/mole |
137-51-9 |
 |
Re. Blue |
| 6 |
2 Naphthylamine 1-5 Disulphonic acid |
Sulpho Tobias Acid (STA) |
303.30gm/mol |
117-62-4 |
 |
Re. Red , Re. Blue & Re. Orange |
