This product is the sodium salt of starch carboxymethyl produced by the action of starch and chloroacetic acid under alkaline conditions. White or almost white powder; Odourless; It is hygroscopic. Disperse into a viscous colloidal solution in water.
| Item | USP/BP/EP | CP |
|---|---|---|
| Identification | Conforms | |
| pH | 5.5-7.5(Type A) 3.0-5.0(Type B) |
5.5-7.5 |
| Sodium chloride (%) | ≤7.0 | ≤6.0 |
| Sodium glycolate (%) | ≤2.0 | |
| Iron(%) | ≤0.002 | |
| Loss on drying (%) | ≤10.0 | |
| Assay(Na)(%) | 2.8-4.2(Type A) 2.0-3.4(Type B) |
2.8-4.2 |