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104877 Potassium dihydrogen phosphate

104877
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Overview

Replacement Information

Key Specifications Table

CAS #EC NumberHill FormulaChemical FormulaMolar MassGrade Value
7778-77-0 231-913-4 H₂KO₄P KH₂PO₄ 136.08 g/mol ACS,ISO,Reag. Ph Eur

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              Description
              Catalogue Number104877
              Synonymsmono-Potassium orthophosphate, Potassium biphosphate, Potassium phosphate monobasic
              References
              Product Information
              CAS number7778-77-0
              EC number231-913-4
              GradeACS,ISO,Reag. Ph Eur
              Hill FormulaH₂KO₄P
              Chemical formulaKH₂PO₄
              Molar Mass136.08 g/mol
              HS Code2835 24 00
              Quality LevelMQ300
              Applications
              Biological Information
              Physicochemical Information
              Density2.33 g/cm3 (21.5 °C)
              Melting Point253 °C (decomposition)
              pH value4.2 - 4.6 (20 g/l, H₂O, 20 °C)
              Bulk density1200 kg/m3
              Solubility208 g/l
              Dimensions
              Materials Information
              Toxicological Information
              LD 50 dermalLD50 Rabbit > 4640 mg/kg
              Safety Information according to GHS
              Precautionary Statement(s)P260: Do not breathe dust.
              RTECSTC6615500
              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).
              Safety Information
              S PhraseS 22
              Do not breathe dust.
              Product Usage Statements
              Storage and Shipping Information
              StorageStore at +2°C to +30°C.
              Packaging Information
              Transport Information
              Declaration (railroad and road) ADR, RIDKein Gefahrgut
              Declaration (transport by air) IATA-DGRNo Dangerous Good
              Declaration (transport by sea) IMDG-CodeNo Dangerous Good
              Supplemental Information
              Specifications
              Assay (alkalimetric)≥ 99.0 %
              Assay (alkalimetric, calculated on dried substance)98.0 - 100.5 %
              Assay (alkalimetric; dried substance)≥ 99.5 %
              Identitypasses test
              Appearance of solutionpasses test
              Insoluble matter≤ 0.01 %
              pH-value (5 %; water, 25 °C)4.2 - 4.5
              Chloride (Cl)≤ 0.0005 %
              Sulfate (SO₄)≤ 0.003 %
              Total nitrogen (N)≤ 0.001 %
              Heavy metals (as Pb)≤ 0.0010 %
              Heavy metals (ACS)≤ 0.001 %
              As (Arsenic)≤ 0.0002 %
              Fe (Iron)≤ 0.0010 %
              Na (Sodium)≤ 0.005 %
              Reducing substancespasses test
              Loss on drying (130 °C)≤ 0.2 %
              Corresponds to ACS,ISO,Reag. Ph Eur