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Item No. HW-31242-500G

Aluminum potassium sulfate dodecahydrate, Puriss. p.a., ACS

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500G (1)

Overview

Overview


Name: Aluminum potassium sulfate dodecahydrate
Synonymns: Alum; Potassium alum; Potassium aluminum sulfate dodecahydrate
Description: Puriss. p.a., ACS Reagent, Reagent European Pharmacopoeia, ≥99.5%

Container Type: Plastic Bottle

Molar Mass: 474.39 g/mol

Empirical Formula: AlKO8S2 · 12H2O
Linear Formula: AlK(SO4)2 · 12H2O

CAS Number: 7784-24-9
MDL Number: MFCD00149143
RTECS Number: 233-141-3
UNSPSC Code: WS5690000

Properties

Properties


SPECIFICATIONS

Assay: min. 99.5 %
Water insoluble matter: max. 0.005 %
pH (10 %, 20°C): 3.0 - 3.5
Ammonium (NH4): max. 0.005 %
Arsenic (As): max. 0.0002 %
Cadmium (Cd): max. 0.0005 %
Copper (Cu): max. 0.0005 %
Iron (Fe): max. 5 ppm
Sodium (Na): max. 0.01 %
Lead (Pb): max. 0.001 %
Heavy metals (as Pb): max. 0.001 %
Chloride (Cl): max. 0.0005 %
Appearance of the solution: complying



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