Products – Anmol Chemicals Private Limited

Potassium Hydrogen Aspartate Hemihydrate BP

It occurs as a white crystalline powder, very soluble in water. It commonly occurs in the L-form.


Used in Personal Care products.


Chemical Name: Potassium Hydrogen Aspartate Hemihydrate
Mol. Formula: C4H6KNO4,½H2O
Mol. Weight: 180.2 g/mol
Other name: Potassium L- Aspartate



Test Specification
Character It occurs as a white or almost white, powder or crystalline powder, or colorless crystals.






(a) Specific optical rotation

(b) Examine the chromatograms obtained in the test for ninhydrin-positive substances.

(c) It gives reaction of potassium

Solubility Very soluble in water, practically insoluble in alcohol and in methylene chloride.
pH Between 6.0 to 7.5
Appearance of solution Solution is clear and colorless.
Specific optical rotation Between + 18.0 to + 20.5 (anhydrous substance)
Ninhydrin- positive substances:

Test solution A


Test solution B



(a) Any spot, apart from the principal spot, is not more intense than the spot in the chromatogram obtained with reference solution.

(b) Not more than 0.5%

Chlorides Not more than 200 ppm
Sulfates Not more than 500 ppm
Ammonium Not more than 200 ppm
Iron Not more than 30 ppm
Heavy Metals Not more than 10 ppm
Water Between 4.0% to 6.0%
Assay Not less than 99.0% and not more than 101.0% (anhydrous substances)


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)