Dibasic Sodium Phosphate heptahydrate Cell culture 250GM Go Back


: 7782-85-6

Molecular Formula

: Na2HPO4.7H2O

Molecular Weight

: 268.07
Description: Colorless or white, granular or caked salt. Effloresces in warm, dry air. Its solutions are alkaline to phenolphthalein. A 0.1M solution should have a pH about 9.
Solubility: Freely soluble in water; very slightly soluble in alcohol
Identification A (By Chemical test 1): A dense precipitate should form
Appearance of solution: Clear and colourless solution
Identification B (By Chemical test 1): With silver nitrate solution neutral solution should yield yellow precipitate that soluble in 2N nitric acid and 6 N ammonium hydroxide
Identification B (By Chemical test 2): With ammonium molybdate solution, acidified solutions should yield a yellow precipitate that should soluble in 6N ammonium hydroxide.
Water insoluble matter: NMT 0.4%
pH(5% aq soln): 8.7-9.3
Chloride(Cl): NMT 0.0200%
Sulphate(SO4): NMT 0.0500%
Iron(Fe): NMT 0.002%
Arsenic (As): NMT 0.0002%
Sodium dihydrogen phosphate: NMT 1.7%
Substance reducing permanganate: Passes test
Loss on drying at 130°C: 45.0-49.0%
Total aerobic microbial count: NMT 100 CFU/gm
Total Yeast and mold count: NMT 100 CFU/gm
Bacterial endotoxins: NMT 2.5 IU/gm
COA Product Catalogues Product Search PARENTEX
COA Product Catalogues Product Search PARENTEX