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Sodium di-hydrogen o-phosphate dihydrate USP/Ph.Eur 1KG
95590SR100329607123IT
USP/Ph.Eur3296071
13472-35-067899
NaH2PO4.2H2OSeptember 2020
156.01August 2023
Sr.No.TestResultSpecification
1DescriptionColorless, crystalline powder is odorless and is slightly deliquescent. Its solutions are acid to litmus and effervesce with sodium carbonate.Colorless crystals or white, crystalline powder is odorless and is slightly deliquescent. Its solutions are acid to litmus and effervesce with sodium carbonate
2SolubilityPassesFreely soluble in water; practically insoluble in alcohol.
3Identification A (By Chemical test)CompliesSolution should be slightly acid
4Identification A (Sodium)CompliesA dense whiter precipitate should form
5Identification (Phosphate 1)CompliesA neutral solution should yield yellow precipitate that soluble in 2N nitric acid and 6 N ammonium hydroxide
6Identification (Phosphate 2)CompliesWhite crystalline precipitate should form
7Identification (Phosphate 3)CompliesA yellow color should develop
8Appearance of solutionPassesClear and colorless solution
9pH4.224.2 - 4.5
10Insoluble Substances0.02%NMT 0.2%
11ChloridesLess than 0.014%NMT 0.014%
12Sulphate (SO4)Less than 300ppm300ppm max
13Aluminium, Calcium and Related ElemantCompliesThe sample solution should not become turbid when rendered slightly alkaline to litmus paper with 6N ammonium hydroxide.
14Water22.5%18.0% - 26.5%
15Loss on drying,130°C23.1%21.5% - 24.0%
16Reducing substancesCompliesThe color of permanganate should not completely discharge
17Arsenic (As)Less than 2ppm2ppm max
18Iron (Fe)Less than 10ppm10ppm max
19Assay (on dried basis)98.2%98.0% - 100.5%
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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