
| 1-Amino-2-naphthol-4-sulphonic acid extrapure 25GM | |||
| 10075SG025 | C02100206GX | ||
| Extrapure | C021002 | ||
| 116-63-2 | 99501 | ||
| NH2C10H5(OH)SO3H | July 2024 | ||
| 239.26 | June 2029 | ||
| Sr.No. | Test | Result | Specification |
|---|---|---|---|
| 1 | Description | Grayish pink crystalline powder. | Grayish pink crystalline powder. |
| 2 | Solubility | Complies | Insoluble in cold water and alcohol,Soluble in alkali |
| 3 | Assay (acidimetric, after drying) | 98.67% | min. 98.00% |
| 4 | Sensitivity to Phosphate | Complies | Passes test |
| 5 | Chloride(Cl) | Less than 0.01% | 0.01% max. |
| Tested By (Chemist - Quality Control) | Approved By (Head - Quality Control) |