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di-Potassium hydrogen phosphate anhydrous for analysis EMSURE?

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 number 7758-11-4
EC number 231-834-5
Hill Formula HK?O?P
Chemical formula K?HPO?
Molar Mass 174.18?g/mol
HS Code 2835 24 00
Quality Level MQ300

Specification

Assay (alkalimetric) ??99.0?%
pH-value (5?%; water) 8.7 – 9.3
Chloride (Cl) ??0.003?%
Sulfate (SO?) ??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

RTECS TC5580000
Storage class 10 – 13 Other liquids and solids
WGK WGK 1 slightly hazardous to water
Disposal 14
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).

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