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Dibasic sodium phosphate dihydrate USP/Ph.Eur/BP 500GM
23611SG500340067305BU
USP/Ph.Eur/BP3400673
10028-24-776744
Na2HPO4.2H2OFebruary 2021
177.99January 2024
Sr.No.TestResultSpecification
1DescriptionWhite powder that readily absorbs moisture.White powder that readily absorbs moisture.
2SolubilityPassesFreely soluble in water; insoluble in alcohol.
3Identification A (By Chemical test)CompliesGives positive test of sodium.
4Identification B (By Chemical test)CompliesGives positive test of Phosphate.
5Assay (Dried substance)99.8%98.0% - 100.5% (Na2HPO4)
6Insoluble Substances4mg (0.008%)NMT 20mg (NMT 0.4%)
7ChloridesLess than 0.06%0.06% max
8Sulphate (SO4)Less than 0.2%0.2% max
9Arsenic (As)Less than 16ppm16ppm max
10Heavy metalsLess than 20ppm20ppm max
11Loss on drying,130°C20.4%18.5% - 21.5%
12AppearancePassesA white or almost white powder or colourless crystals.
13Identification B (By Loss on drying)20.4%19.5% - 21.0%
14Identification C (By Chemical test)CompliesSolution S gives reaction (b) of phosphates.
15Identification D (By Chemical test)CompliesSolution S gives reaction (a) of sodium.
16Appearance of SolutionPassesSolution S is clear and colourless.
17Reducing substancesPassesThe colour of the permanganate is not completely discharged.
18Monosodium PhosphateLess than 2.5%max 2.5%
19Iron (Fe)Less than 40ppm40ppm max
Remarks: THE CAPTIONED MATERIAL COMPLIES WITH THE PRESCRIBED QUALITY OF USP, PH.EUR AND BP 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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