Products – Anmol Chemicals Private Limited

Potassium Alum USP

Potassium alum, potash alum, or potassium aluminium sulfate is a chemical compound: the double sulfate of potassium and aluminium, with chemical formula KAl(SO4)2.

Chemical Name: Potassium Alum
Molecular Formula: AlK(SO4)2.12H2O
Molecular Weight: 474.39 g/mol
CAS No :7784-24-9
EINECS EC Number: 233-141-3


Test Specification….USP
Characters It occurs as large, colorless crystals, crystalline fragments, or white powder

Test (A)

Test (B)







(a)Specified Test.

(b)Specified Test. A violet color is imparted to the flame.

(c)Specified test. A white, crystalline precipitate is formed within 30 mins.

(d)A solution (1 in 20) responds to the test for aluminium and sulphate.

Solubility Very soluble in boiling water; freely soluble in water and in glycerin; insoluble in alcohol.
Loss on drying Between 43% and 46%
Iron Specified Test. No blue color is produced immediately.
Residual solvents Meets the requirements
Assay Not less than 99% and 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.


We Manufacture Bulk Dugs/API, Excipients, pharmaceuticals (IP/BP/USP/NF/PH. EUR./JP), Speciality Chemicals (Pure/AR/ACS), mineral fortifiers (FCC). our manufacturing facility is GLP, GMP (FDA) approved, ISO 9001, ISO 14001, ISO 22000, FSSC 22000, FSSAI, kosher, halal, COPP and WHO-GMP certified.

Good Manufacturing Practice Certified by World Health Organization (WHO-GMP)
Written Confirmation Certification (WC)
Good Manufacturing Practice (EXCiPACT cGMP)
Good Manufacturing Practice (cGMP)
Good Laboratory Practice (GLP)