|Appearance||It occurs as small, colorless crystals or as a white, crystalline powder.|
|Identification Test A||a. Specified test|
|Solubility||One-gram dissolves in about 400 mL of water at 25°, in about 50 mL of water at 80°, in about 2.5 mL of alcohol, in about 7 mL of ether, and in about 4 mL of propylene glycol. It is slightly soluble in glycerin and in fixed oils.|
|Lead||Not more than 2 mg/kg.|
|Loss on Drying||Not more than 0.5%.|
|Melting Range||Between 125° and 128°|
|Residue on Ignition||Not more than 0.05%.|
|Assay||Not less than 99.0% and not more than 100.5% of C8H8O3, calculated on the dried basis.|
|Appearance||It occurs as white or almost white, crystalline powder or colorless crystals.|
|Identification Test A Test B||Infrared absorption spectrophotometry Melting Range –Between 125°C to 128°C|
|Solubility||Very slightly soluble in water, freely soluble in ethanol (96 %) and in methanol.|
|Color of Solution||The Sample solution is clear and not more intensely colored than alcohol or the Comparison solution.|
|Related Substances p-Hydroxybenzoic acid Unspecified impurities Total impurities||Not more than 0.5% Not more than 0.5% Not more than 1.0%|
|Acidity||Not more than 0.1 mL is required to produce a blue color.|
|Residue on ignition||Not more than 0.1%|
|Residual Solvents||Meets the requirements.|
|Assay||Not less than 98.0% and not more than 102.0% of C8H8O3|
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.
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.