Sodium Hydroxide IP
Abstract
Sodium hydroxide also known as lye or caustic soda is a highly caustic metallic base and alkali salt and is available in pellets, flakes, granules and solutions. It is deliquescent and readily absorbs moisture and carbon dioxide in air.
Use/Application
Sodium Hydroxide is a strong base used in the paper industry, in manufacture of sodium salts and detergents, in pH regulation and organic synthesis. It is also used in petroleum industry, in chemical pulping of wood, in etching, removing anodizing, used as a catalyst in the manufacture of biodiesel. It is used in the chemical peeling of fruits and vegetables and as an industrial cleaning agent.
Identity
Chemical Name: Sodium Hydroxide
Synonyms: Caustic Soda, Lye
Mol. Formula: NaOH
Mol. Weight: 40.00 g/mol
CAS No.: 1310-73-2
General Specifications
| Test…… | Specification…….IP |
| Appearance | White, crystalline masses supplied as sticks, pellets or slabs; deliquescent. Readily absorbs carbon dioxide. |
| Solubility | Very soluble in water, freely soluble in alcohol |
| Appearance of solution | The solution is clear and colorless |
| Arsenic | Maximum 4ppm |
| Heavy metals | Maximum 20ppm |
| Iron | Maximum 20ppm |
| Carbonates | Maximum 2% |
| Chlorides | Maximum 125ppm |
| Sulphates | Maximum 75ppm |
| Potassium | Passes test |
| Assay | Not less than 97% 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.
