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104877 Potassium dihydrogen phosphate

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104877
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Overview

Replacement Information

Key Spec Table

CAS #EC NumberHill FormulaChemical FormulaMolar MassGrade Value
7778-77-0231-913-4H₂KO₄PKH₂PO₄136.09 g/molACS,ISO,Reag. Ph Eur
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 Mass136.09 g/mol
HS Code2835 24 00
Quality LevelMQ300
Applications
Biological Information
Physicochemical Information
Density2.33 g/cm3 (21.5 °C)
Melting Point252.6 °C (decomposition)
pH value4.2 - 4.6 (20 g/l, H₂O, 20 °C)
Vapor pressure<0.1 hPa (25 °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
RTECSTC6615500
Safety Information
Product Usage Statements
Storage and Shipping Information
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