CASR |
: | 116-63-2 |
Molecular Formula |
: | NH2C10H5(OH)SO3H |
Molecular Weight |
: | 239.26 |
Specifications | |
---|---|
Description: | Grayish pink crystalline powder. |
Solubility: | Insoluble in cold water and alcohol,Soluble in alkali. |
Assay (acidimetric, after drying): | min. 98.00% |
Sensitivity to Phosphate: | Passes test |
Loss on drying,105°C: | 5.00% max. |
Residue on ignition: | 0.10% max. |
Sodium hydroxide soln insoluble matter: | 0.10% max. |
Sulphate(SO4): | 0.20% max. |
Copper(Cu): | 0.005% max. |
Iron(Fe): | 0.005% max. |
Lead(Pb): | 0.01% max. |
Chloride(Cl): | 0.01% max. |