1-Amino-2-naphthol-4-sulphonic acid extrapure 100GM | |||
10075SG100 | 794370215LT | ||
Extrapure | 7943702 | ||
116-63-2 | 39425 | ||
NH2C10H5(OH)SO3H | December 2020 | ||
239.26 | November 2025 | ||
Sr.No. | Test | Result | Specification |
---|---|---|---|
1 | Description | Grayish pink crystalline powder | Grayish pink crystalline powder. |
2 | Solubility | Passes | Insoluble in cold water and alcohol,Soluble in alkali |
3 | Assay (acidimetric, after drying) | 98.50% | min. 98.00% |
4 | Sensitivity to Phosphate | Passes | Passes test |
5 | Chloride(Cl) | NMT 0.01% | 0.01% max. |
Tested By (Chemist - Quality Control) | Approved By (Head - Quality Control) |