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137036 di-Sodium hydrogen phosphate dihydrate

Overview

Key Spec Table

CAS #EC NumberHill FormulaChemical FormulaMolar MassGrade Value
10028-24-7231-448-7HNa₂O₄P * 2 H₂ONa₂HPO₄ * 2 H₂O177.99 g/molPh Eur,BP,USP

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      Description
      Catalogue Number137036
      SynonymsSodium monohydrogen phosphate, Sodium phosphate dibasic
      Descriptiondi-Sodium hydrogen phosphate dihydrate
      Product Information
      CAS number10028-24-7
      EC number231-448-7
      GradePh Eur,BP,USP
      Hill FormulaHNa₂O₄P * 2 H₂O
      Chemical formulaNa₂HPO₄ * 2 H₂O
      Molar Mass177.99 g/mol
      HS Code2835 22 00
      Quality LevelMQ500
      Physicochemical Information
      Density2.1 g/cm3 (20 °C)
      Melting Point92.5 °C Elimination of water of crystallisation
      pH value9.0 - 9.4 (50 g/l, H₂O, 20 °C)
      Bulk density850 - 1000 kg/m3
      Solubility93 g/l
      Toxicological Information
      LD 50 oralLD50 Rat > 2000 mg/kg
      Safety Information according to GHS
      Storage class10 - 13 Other liquids and solids
      WGKWGK 1 slightly hazardous to water
      Disposal14
      Inorganic salts: Container I. Neutral solutions of the these salts: Container D. Before placing in Container D, check the pH with pH-Universal indicator strips (Item No. 109535).
      Storage and Shipping Information
      StorageStore at +15°C to +25°C.
      Specifications
      Assay (calculated on dried substance according to Ph Eur)98.0 - 101.0 %
      Assay (calculated on dried substance according to USP)98.0 - 100.5 %
      Identitypasses test
      Appearance of solutionpasses test
      In water insoluble matter≤ 0.3 %
      pH-value (5 %; water)8.9 - 9.2
      Chloride (Cl)≤ 0.005 %
      Sulfate (SO₄)≤ 0.02 %
      As (Arsenic)≤ 0.00015 %
      Fe (Iron)≤ 0.001 %
      Sodium dihydrogen phosphate (NaH₂PO₄)≤ 1.7 %
      Residual solvents (ICH Q3C)excluded by manufacturing process
      Substances reducing potassium permanganate (as O)passes test
      Loss on drying (130 °C)19.5 - 21.0 %
      Endotoxins≤ 2.5 I.U./g
      Total aerobic microbial count≤ 1E+02 CFU/g
      Total yeast and mould count≤ 1E+02 CFU/g
      DNases (Exo- and endonucleases) (not detectable)passes test
      RNases (not detectable)passes test
      Proteases (not detectable)passes test
      Elemental impurity specifications have been set considering ICH Q3D (Guideline for Elemental Impurities). Class 1-3 elements are not likely to be present above the ICH Q3D option 1 limit, unless specified and indicated (*).
      Corresponds to Ph Eur, BP, USP
      Global Trade Item Number
      Catalogue Number GTIN
      1370369500 04065270319050