di-Potassium hydrogen phosphate anhydrous for analysis EMSURE®

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Description

Catalogue Number = 105104

Synonyms = Dipotassium hydrogen phosphate, Potassium phosphate dibasic, Dipotassium Phosphate

Product Information

CAS number7758-11-4
EC number231-834-5
Hill FormulaHK₂O₄P
Chemical formulaK₂HPO₄
Molar Mass174.18 g/mol
HS Code2835 24 00
Quality LevelMQ300

Specification

Assay (alkalimetric)≥ 99.0 %
pH-value (5 %; water)8.7 – 9.3
Chloride (Cl)≤ 0.003 %
Sulfate (SO₄)≤ 0.005 %
Total nitrogen (N)≤ 0.001 %
Heavy metals (as Pb)≤ 0.0005 %
Fe (Iron)≤ 0.0010 %
Na (Sodium)≤ 0.5 %
Loss on drying (130 °C)≤ 1.0 %

Safety Information

RTECSTC5580000
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).