Citric Acid USP

Citric acid is a weak organic acid which acts as a natural preservative in citrus fruits. It is mainly used as an acidifier, as a flavoring and as a chelating agent.


It is used as a flavoring agent and preservative in foods and beverages especially soft drinks. It can also be added to ice cream as an emulsifying agent, in household cleaners and pharmaceuticals to control pH, as a chelating agent to remove limescale from boilers and evaporators and in food coloring.


Chemical Name: Citric Acid
Mol. Formula: C6H8O7
Mol. Weight: 192.13 g/mol
CAS No.: 77-92-9


General Specifications

Test Specification…USP
Appearance White almost white, crystalline powder, colorless crystal or granules efflorescent
Solubility Very Soluble in water, freely soluble in ethanol (96%)
Clarity of solution The solution has the same clarity as that of water
Color of solution The solution is not more intensely colored than the standard solution or water.
Bacterial endotoxins Passes test
Sterility Passes test
Water Maximum 1%
Residue on ignition Not more than 0.1%
Readily carbonizable substances Passes test
Sulphate Maximum 0.015%
Heavy metals Maximum 0.001%
Oxalic acid Maximum 0.036%
Aluminium Maximum 0.2 micro-gm per gm
Oragnic 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.


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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