Sodium Picosulfate USP

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

Test B


a.       Infrared Absorption

b.       The solution gives reaction of sodium.

Solubility Freely soluble in water, slightly soluble in alcohol
Color  of Solution The Sample solution is not more intensely colored than the Standard solution.
Acidity or alkalinity Specified test.
Related substance-

1.       4,4′-[(Pyridin-2-yl)methylene] bisphenol

2.       4-[(Pyridin-2-yl)(4-hydroxyphenyl)methyl]phenyl sodium  sulfate (sodium picosulfate related compound A)

3.       Any other individual impurity

4.       Total impurities


1.       Not more than 0.2%


2.       Not more than 0.2%





3.       Not more than 0.10 %

4.       Not more than 0.5%

Chlorides Not more than 0.02%
Sulfates Not more than 0.04%
Water  determination Between 3.0% to 5.0%
Residual solvents Meets the requirements
Assay Not less than 98.5% to not more than 100.5 % 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.

    Product Enquiry