Sodium Hydroxide IP

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.


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.


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.


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.

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