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Potassium Hydrogen Aspartate Hemihydrate BP Ph Eur Grade Supplier Exporter Manufacturers' Representative |
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Potassium Hydrogen Aspartate Hemihydrate
CAS Number: 7259-25-8 or 1115-63-5
Molecular Formula: C4H6KNO4-0.5H2O
Molecular Weight: 180
Potassium Hydrogen Aspartate Hemihydrate
Potassium Hydrogen Aspartate Hemihydrate BP Ph Eur Grade Specifications
Ph Eur
C4H6KNO4,½H2O -- 180.2
Action and use: Excipient.
DEFINITION
Potassium hydrogen (2S)-2-aminobutanedioate hemihydrate.
Content: 99.0 per cent to 101.0 per cent (anhydrous substance).
CHARACTERS
Appearance: White or almost white, powder or crystalline powder, or colourless crystals.
Solubility: Very soluble in water, practically insoluble in alcohol and in methylene chloride.
IDENTIFICATION
A. It complies with the test for specific optical rotation (see Tests).
B. Examine the chromatograms obtained in the test for ninhydrin-positive substances.
Results: The principal spot in the chromatogram obtained with test solution (b) is similar in position, colour and size to the principal spot in the chromatogram obtained with reference solution (a).
C. It gives reaction (b) of potassium (2.3.1).
TESTS
Solution S: Dissolve 2.5 g in carbon dioxide-free water prepared from distilled water and dilute to 100 ml with the same solvent.
Appearance of solution: Solution S is clear and colourless.
pH: 6.0 to 7.5 for solution S.
Specific optical rotation: + 18.0 to + 20.5 (anhydrous substance).
Dissolve 0.50 g in a mixture of equal volumes of hydrochloric acid and water and dilute to 25.0 ml with the same mixture of solvents.
Ninhydrin-positive substances: To pass the test by Thin-layer chromatography.
Chlorides: Maximum 200 ppm.
Sulphates: Maximum 500 ppm.
Ammonium: Maximum 200 ppm, determined on 50 mg.
Iron: Maximum 30 ppm.
Heavy metals: Maximum 10 ppm.
Water: 4.0 per cent to 6.0 per cent, determined on 0.200 g.
Please visit SDS Safety Data Sheet of Potassium Hydrogen Aspartate Hemihydrate Suppliers.
American Molecules, also known as ammol.org is a distributor, supplier and manufacturers' representative of all types of Pharmaceuticals, Functional Ingredients, Excipients and Specialty Chemicals in Texas USA. Our principals manufacture supply and export USP NF BP, Ph Eur, etc grades of chemicals pure and reagent grade, mineral fortifiers, FCC food grade. Tailor made particle size and customized specifications are offered. The principal's facility is having one or more of the certifications like FDA approval and GLP, cGMP, ISO9001, ISO14001, ISO/IEC 17025, ISO22000, FSSC 22000, ISO45001, FSSAI, Kosher, HALAL, COPP, WHO-GMP certified and Written Confirmation (WC) for export to Europe is available. The manufacturers suppliers and exporters observe WHO Good Manufacturing Practices and Good Laboratory Practices.
Suppliers and Manufacturers' Representative:
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Houston, TX 77040, USA
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