| Test | Specification…USP |
| Characters | It occurs as white, hygroscopic powder. |
| Identification Test A Test B | a. Specified test b. Specified test. A platinum wire dipped in the Sample solution imparts an intense, persistent yellow color to a nonluminous flame. |
| Solubility | Freely soluble in water; sparingly soluble in alcohol; insoluble in fixed oils. |
| Completeness of Solution | Specified test |
| pH | Between 9.5–10.5 |
| Related substances 1. p-Hydroxybenzoic acid 2. Unspecified impurities 3. Total impurities | a. Not more than 3.0% b. Not more than 0.5% c. Not more than 1.0% |
| Chloride | Not more than 0.035% |
| Sulphate | Not more than 0.12% |
| Water Determination | Not more than 5.0% |
| Residual Solvents | Meets the requirements. |
| Assay | Not less than 95.0 % and not more than 102.0% (anhydrous substance) |
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.