| Dyes Intermediates |
| Commercial Name |
Chemical Nomenclature
Empirical Formula |
CAS No. |
M.W. |
Specification |
Molecular Structure |
| G Salt |
2‐naphthol‐6,8‐disulfonate dipotassium salt
C10H6O7S2K2 |
842‐18‐2 |
380 |
Purity:≥70.0%
Physical Appearance:
Greyish White Paste |
 |
| R Salt |
2‐naphthol‐3,6‐disulfonate disodium salt
C10H6O7S2Na2 |
135‐51‐3 |
348 |
Purity:≥80.0%
Physical Appearance:
Pale White Powder |
 |
| Scaeffer's Acid Potassium Salt |
2‐Naphthol‐6‐sulfonic acid potassium salt
C10H7O4SK |
833‐66‐9 |
262 |
Purity:≥98.0%
Physical Appearance:
White Crystal Powder |
 |
| Scaeffer's Acid Sodium Salt |
2‐Naphthol‐6‐sulfonic acid sodium salt
C10H7O4SNa |
135‐76‐2 |
246 |
Purity:≥85.0%
Physical Appearance:
White Crystal Powder |
 |
| Sulfanilic Acid |
4‐Aminobenzene sulfonic acid
C6H7NO3S |
121‐57‐3 |
173 |
Purity:≥99.0%
Physical Appearance:
White Crystal Powder |
 |
| H Acid |
8‐Amino‐1‐naphthol‐3,6‐disulfonic acid
C10H9NO7S2 |
90‐20‐0 |
319 |
Purity:≥80.0%
Physical Appearance:
Greyish White Powder |
 |
| DMAS |
Dimethyl Acetylsuccinate
C8H12O5 |
10420-33-4 |
188 |
Purity:≥97.0%
Physical Appearance:
White Liquid |
 |
| SPCP |
1‐(4'‐Sulfophenyl)‐carboxy‐5‐pyrazolone
C10H8N2O6S |
118-47-8 |
284 |
Purity:≥90.0%
Physical Appearance:
Pale Yellow Powder |
 |
| PAABSA |
4-Aminoazobenzene-4'-Sulfonic Acid
C12H11N3O3S |
104-23-4 |
277 |
Purity:≥ 97.0%
Physical Appearance:
White Liquid |
 |
