1-Amino-2-naphthol-4-sulphonic acid extrapure 25GM | |||
10075SG025 | C02100202LW | ||
Extrapure | C021002 | ||
116-63-2 | 99501 | ||
NH2C10H5(OH)SO3H | December 2023 | ||
239.26 | November 2028 | ||
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) |