Sodium Picosulfate BP

Sodium Picosulfate is white crystalline powder. It is used as prodrug.


It is used as a laxative


Molecular Formula: C18H13NNa2O8S2,H2O
Molecular Weight:  499.4 g/mol
CAS No.: 10040-45-6


General Specifications

Test Specification
Description It occurs as a white or almost white, crystalline powder.

Test (A)





a.       Infrared absorption Spectrophotometry.

b.       Thin- layer chromatography

c.        Specified test.  A white precipitate is formed.

d.       The solution gives reaction of sodium.

Solubility Freely soluble in water, slightly soluble in ethanol (96%)
Appearance of Solution The solution S is clear and not more intensely colored than reference solution GY7
Acidity or alkalinity Specified test.
Related substance-

1.       Correction factors

2.       Impurities A, B

3.       Unspecified impurities

4.       Total


1.       Impurity A = 0.7; Impurity B = 0.5

2.       Not more than 0.2%

3.       Not more than 0.10 %

4.       Not more than 0.5%

Chlorides Not more than 200 ppm
Sulfates Not more than 400 ppm
Water Between 3.0% to 5.0%
Assay Not less than 98.5% to not more than 100.5 % (anhydrous substance).


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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