| Test | Specification...BP |
| Appearance | It occurs as a white, or almost white crystalline powder, colorless, shiny plates greasy to touch, or white or almost white crystals |
| Identification Test A Test B | a. Specified Test. The flame has a green border. b. Specified Test. Solution is acid. |
| Solubility | Soluble in water and in ethanol (96%), freely soluble in boiling water and in glycerol (85%). |
| Appearance of solution | The solution is clear and colorless. |
| pH | Between 3.8 to 4.8 |
| Solubility in ethanol (96%) | The solution is not more opalescent than reference suspension II and is colourless |
| Organic Matter | Specified test. It does not darken on progressive heating to dull redness. |
| Sulfates | Not more than 450 ppm |
| Assay | Not less than 99.0 % and not more than 100.5 % |
| Test | Specification...IP |
| Characters | A white, crystalline powder or colorless shiny
plates unctuous to the touch or white crystals; odorless |
| Identification Test
Test A Test B |
a)Specified Test. Ignite the solution; the flame has a green border. b)Specified Test. The solution is faintly acid. |
| Solubility | Freely soluble in boiling water, in boiling ethanol (95 %) and in glycerin (85 %); soluble in water and in ethanol (95 %) |
| Solubility in ethanol | Specified Test. The solution is not more opalescent than opalescence standard OS2and colorless |
| Appearance of solution | A 3.5 % w/v solution in boiling water is clear and colorless |
| pH | 3.8 to 4.8 |
| Arsenic | Not more than 10 ppm |
| Sulphates | Not more than 450 ppm |
| Heavy metals | Not more than 20ppm |
| Loss on drying | Not more than 0.5% |
| Assay | Not less than 99.5% and not more than 100.5% calculated on the dried basis |
| Test | Specification...USP |
| Appearance | A white, crystalline powder or colorless crystals |
| Solubility | Slightly soluble in water, soluble in boiling water, freely soluble in alcohol and in fatty oils. |
| Appearance of solution | The solution is clear and colorless. |
| Congealing range | 121 to 123 |
| Water | Not more than 0.7% |
| Readily carbonizable substances | Passes test |
| Residue on ignition | Not more than 0.05% |
| Heavy metals | Maximum 10 micro-gm/gm |
| Readily oxidizable substances | Passes test |
| Organic volatile impurities | Passes test |
| Residual solvents | Passes test |
| Assay | Not less than 99.5% and not more than 100.5% |
Shelf life, Storage and Packing
It should be stored in a segregated area in a cool and ventilated place away from combustible materials. Keep in a tightly closed container, sealed until ready for use. It is packed in 25kg or 50kg HDPE bags or drums as required.
Other
GLP, cGMP (FDA) Approved, ISO 9001, ISO 14001, ISO 45001, ISO 17025, ISO 22000, FSSC 22000, FSSAI, Halal and Kosher certified.
We observe WHO Good manufacturing practice and Good laboratory practice.