Sodium Methyl Paraben USP

General Specifications:

Test Specification
Characters It occurs as a white hygroscopic powder

Test A

Test B


a.       IR absorption spectrum

b.       Specified Test

Solubility Freely soluble in water; sparingly soluble in alcohol; insoluble in fixed oils.
pH Between 9.5–10.5
Chloride Not more than 0.035%
Sulphate Not more than 0.12%
Related substances

p-Hydroxybenzoic acid Unspecified impurities

Total Impurities


Not more than 3.0%

Not more than 0.5%

Not more than 1.0%

Completeness of Solution Specified Test
Water Determination Not more than 5.0%
Residual Solvents Meets the requirement
Assay Not less than 95.0 % and not more than 102.0% of C8H7 NaO3, calculated on anhydrous basis


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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