Specifications
| CAS Nos. | 69-72-7 |
| HS Code | 29182110 |
| Sr. No | Parameters | Specification | unit | Test Result | |
| I) | Appearance | Whlte or colorless, acicular crystals or a white crystalline powder. | – | WHITE CRYSTALLINE POWDER | |
| 2) | Identification as per IP-B) | Violet color should be produced. | – | COMPLIES | |
| 3) | Identification as per IP-C) | Melting 158 Range: | to 161•c | – | 1S9•c to 160•C |
| 4) | SA -Impurity A (4. hydroxy’ benzoic acid) | NMT 0.10% | % | 0.0023 | |
| 5) | SA ‘Impurity B (4. | NMT 0.05% | % | 0.0404 | |
| Hydroxy Isophthalic acid) | |||||
| 6) | SA -Impurity C (Phenol) | NMT 0.02% | % | 0.0018 | |
| 7) | SA -Secondary Peak (If any) | NMTO.05% | % | 0 | |
| 8) | SA-Sum Of all secondary Peaks | NMT 0.20% | % | 0.0445 | |
| 9) | Chloride | NMT 125 ppm | ppm | COMPLIES | |
| 10) | Heavy Metals | NMT 20 ppm | ppm | COMPLIES | |
| 11) | Assay | 99.00 To 100.50 | % | 99.77 | |
| 12) | Sulphated Ash | 0.00 To 0.10 | % | 0.02 | |
| 13) | Iron | NMT 2 ppm | ppm | COMPLIES | |
| Solubility | Slightly soluble In water, freely soluble In alcohol. | COMPLIES | |||
| 15) | Sulphate | NMT 200 ppm | ppm | COMPLIES | |
| 16) | Loss on Drying. | Not more than 0.5% | % | 0.23 | |
| 17) | Appearance of Solution | The resulting solution Is clear and colorless. | – | CLEAR AND COLOURLESS |
