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Dibasic sodium phosphate dihydrate USP/Ph.Eur 500GM
92611SG500322947108GT
USP/Ph.Eur3229471
10028-24-765530
Na2HPO4.2H2OJuly 2020
177.99June 2023
Sr.No.TestResultSpecification
1DescriptionColorless crystals.White powder or colorless crystals.
2SolubilityPassesFreely soluble in water; practically insoluble in ethanol (96%)
3Identification (By chemical test)CompliesSolution should be slightly alkaline
4Identification (By Loss on drying)20.35%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 (Dried basis)98.55%98.0% - 101.0% (Na2HPO4)
10Insoluble Substances0.2%NMT 0.4%
11Appearance of solutionPassesClear and colorless solution.
12Reducing substancesPassesThe color of the permanganate should not completely discharge
13Monosodium PhosphateLess than 2.5%2.5% max.
14ChloridesLess than 400ppm400ppm max
15Sulphate (SO4)Less than 0.1%0.1% max
16Arsenic (As)Less than 4ppm4ppm max
17Iron(Fe)Less than 40ppm40ppm max
18Loss on drying,130°C20.35%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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