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Dibasic sodium phosphate dihydrate USP/Ph.Eur 500GM
92611SG500395727112LV
USP/Ph.Eur3957271
10028-24-790434
Na2HPO4.2H2ODecember 2022
177.99November 2025
Sr.No.TestResultSpecification
1DescriptionColorless crystals.White powder or colorless crystals.
2SolubilityCompliesFreely soluble in water; practically insoluble in ethanol (96%)
3Identification (By chemical test)CompliesSolution should be slightly alkaline
4Identification (By Loss on drying)20.3%19.5% - 21.0%
5Identification (Sodium)CompliesA dense precipitate should form.
6Identification (Phosphate 1)CompliesA yellow precipitate that soluble in 2N nitric acid and in 6N ammonium hydroxide should form.
7Identification (Phosphate 2)CompliesWith ammonium molybdate solution, acidified solutions should yield a yellow precipitate which should soluble in 6N ammonium hydroxide.
8Identification (Phosphate 3)CompliesA yellow colour should develop.
9Assay (on dry basis)99.1%98.0% - 100.5%
10Assay (Dried substance)99.1%98.0% - 101.0% (Na2HPO4)
11Insoluble Substances0.002%NMT 0.4%
12Appearance of solutionCompliesClear and colorless solution.
13Reducing substancesCompliesThe color of the permanganate should not completely discharge
14Monosodium PhosphateLess than 2.5%2.5% max.
15ChloridesLess than 400ppm400ppm max
16Sulphate (SO4)Less than 0.1%0.1% max
17Arsenic (As)Less than 4ppm4ppm max
18Iron(Fe)Less than 40ppm40ppm max
19Loss on drying,130°C20.3%19.5% - 21.0%
Remarks: THE CAPTIONED MATERIAL COMPLIES WITH THE PRESCRIBED QUALITY OF USP AND PH.EUR SPECIFICATION.
FINAR provides this analytical report in good faith and to the best of its knowledge. It should not be substituted for the users own raw material quality control.
Tested By
(Chemist - Quality Control)
Approved By
(Head - Quality Control)
Computer Generated Report - Does not require Signature.
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