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Dyes Intermediate
| Specification | |
| PRODUCT NAME | C ACID (cassellas acid) |
| CHEMICAL NAME | 2-NAPHTHYLAMINE 4,8 DISULFONIC ACID |
| CAS NO. | 131-27-1 |
| EMPIRICAL FORMULA | C10H9NO6S2 |
| MOLECULAR WEIGHT | 303 |
| FORM SUPPLIED | DRY POWDER |
| PHYSICAL APPEARANCE | LIGHT PINKISH |
| SALES BASIS | ON 100 % BASIS |
| PACKING | HDPE BAG WITH PE LINER |
| ASSAY | 70 % MIN.(ON MOL WT : 303) |
| INSOLUBLES | 0.2 % MAX. |
| SOLUBILITY | CLEAR SOLUTION IN DILUTE ALKALI |
| PACKAGING SIZE | CUSTOMIZE |
| Specification | |
| PRODUCT NAME | EUROPEAN K ACID |
| CHEMICAL NAME | 1-AMINO-8-NAPHTHOL,4,6 DISULPHONIC ACID 8-AMINO 1 NAPHTHOL 3,5 DISULPHONIC ACID |
| CAS NO. | 40130-23-4-FREE ACID,40492-14-6-MONO SOD.SALT |
| EMPIRICAL FORMULA | C10H9NO7S2 |
| FORM SUPPLIED | DRIED POWDER |
| PHYSICAL APPEARANCE | GREYISH OFF WHITE COLOUR |
| SALES BASIS | ON 100 % BASIS |
| PACKING | HDPE BAG WITH PE LINER& JUMBO BAG |
| ASSAY | 75 % MIN. |
| INSOLUBLES | 0.2 % MAX. |
| SOLUBILITY | SOLUBLE IN WATER |
| Specification | |
| PRODUCT NAME | AMIDO EPSILON ACID |
| CHEMICAL NAME | 1 NAPHTHOL 3,8 DISULPHONIC ACID |
| MOLECULAR WEIGHT | 303 |
| INSOLUBLES | 0.2 % |
| SOLUBILITY | SOLUBLE IN WATER |
| PURITY | 80 % |
| Specification | |
| PRODUCT NAME | SULPHO C ACID |
| CHEMICAL NAME | 2-NAPHTHYLAMINE,4,6,8-TRI SULPHONIC ACID |
| EMPIRICAL FORMULA | C10H10NO9S2 |
| INSOLUBLE | 0.25 % MAX. |
| PURITY | 55 % MIN. SEMI. DRY |
| UNREACTED C ACID | 0.25 % |
| Specification | |
| PRODUCT NAME | K ACID |
| CHEMICAL NAME | 2-NAPHTHYLAMINE-3,6,8-TRISULFONIC ACID |
| MOLECULAR WEIGHT | 383 |
| PHYSICAL APPEARANCE | YELLOWWISH WHITE COLOUR MOIST MATERIAL |
| SOLUBILITY | SOLUBLE IN HOT WATER |
| CAS NO. | 118-03-6 |
| IMPERIAL FORMULA | C10-H9-N-09-S3 |
| EINECS NO. | 204-229-9 |
| PURITY BY N.V. | 65 % MINI. |
| 2-NAPHTHYLAMINE-6, 8-DISULFONIC ACID | 0.3 % MAX. |
| SULFURIC ACID, | |
| 2-NAPHTHYLAMINE | 0.4 % MAX. |
| FE | 300 PPM MAX. |
| Specification | |
| PRODUCT NAME | SCHAEFFER’S ACID |
| CHEMICAL NAME | 2-NAPHTHOL 6-SULFONIC ACID |
| EMPIRICAL FORMULA | C13H2O4S |
| CAS NO. | 93-01-6 |
| MOLECULAR WEIGHT | 224 |
| ASSAY WET | 65 % MIN. |
| PHYSICAL APPEARANCE | OFF WHITE TO BROWN COLOUR |
| Specification | |
| PRODUCT NAME | Gamma Acid |
| CHEMICAL NAME | 6-AMINO-4-HYDROXY-2NAPHTHALENE SULFONIC ACID 2-AMINO-6-SULFONIC ACID-8-NAPHTHOL |
| CAS NO. | 90-51-7 |
| MOLECULAR WEIGHT | 239 GRAMS/MOLE |
| EMPIRICAL FORMULA | C10 H9 N O4 S |
| PURITY | MN. 90% BY CV |
| AMIDO G ACID CONTENT | MN. 0.30% |
| DIOXY G ACID CONTENT | MN. 030% |
| BROENNER’S ACID CONTENT | MN. 1.00% |
| INSOLUBLE MATTERS | MN. 0.20% |
| SOLUBILITY | SOLUBILITY IN DILUTE ALKALI |
| PHYSICAL APPEARANCE | LIGHT GRAY DRY POWDER |
| BASIS OF SALES | ON 100% REAL BASIS |
| PACKING | 25/50KGS HDPE BAGS WITH DOUBLE PE LINERS INSIDE |
| Specification | |
| PRODUCT NAME | H ACID |
| CHEMICAL NAME | 1 AMINO-8 NAPHTHOL 3-6 DISULPHONIC ACID |
| CAS NO. | 9-3-5460 |
| EMPIRICAL FORMULA | C10H9O7NS2 |
| MOLECULAR WEIGHT | 319 |
| PHYSICAL APPEARANCE | GREYISH WHITE |
| INSOLUNLE | 0.2 % MAX. |
| Specification | |
| PRODUCT NAME | G SALT |
| CHEMICAL NAME | 2-NAPHTHOL 6-8-DISULFONIC ACID |
| EMPIRICAL FORMULA | C14H8O7N2O2S |
| CAS NO. | 118-32-1 |
| EINECS NO. | 204-254-6 |
| MOLECULAR WEIGHT | 304 |
| ASSAY WET | 65 % MIN. |
| PHYSICAL APPEARANCE | WHITE TO OFF WHITE POWDER |
| Specification | |
| PRODUCT NAME | SULPHO GAMMA ACID |
| CHEMICAL NAME | 1-NAPHTHOL-3,6-DISULFONIC ACID |
| EMPIRICAL FORMULA | C10H9NO7S2 |
| CAS NO. | 90-40-4 |
| MOLECULAR WEIGHT | 319.31096 |
| Specification | |
| PRODUCT NAME | SULPHO J ACID |
| CHEMICAL NAME | 2-AMINO-5-NAPHTHOL-1,7-DISULFONIC ACID |
| MOLECULAR WEIGHT | 319 |
| PURITY | 70 % & ABOVE |
| ISOMER | MAX. 3 % UNREACTED J ACID |
| INSOLUBLE | MAX. 0.5 % |
| H.P.L.C. | 98 % & ABOVE H.P.L.C. BY AREA |
