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Chromium(III) potassium sulfate dodecahydrate

Chromium(III) potassium sulfate dodecahydrate

Product Details:


Product Description

LC1376 Chromium(III) potassium sulfate dodecahydrate
for analysis EMSURE ACS,Reag. Ph Eur


Order number Packaging Quantity Price
Glass bottle 250 g 30.83


Product information
Grade ACS,Reag. Ph Eur
Synonyms Potassium chromium(III) sulfate, Alum chrome
Hill Formula CrKO8S2 * 12 H2O
Chemical formula KCr(SO4)2 * 12H2O
HS Code 2833 30 00
EC number 233-401-6
Molar mass 499.41 g/mol
CAS number 7788-99-0


Chemical and physical data
Solubility 250 g/l (25 C)
Melting point 89 C
Molar mass 499.41 g/mol
Density 1.83 g/cm3 (20 C)
Bulk density 800 - 1000 kg/m3
pH value 3 (50 g/l, H2O, 20 C)


Safety information according to GHS
Hazard Statement(s) H315: Causes skin irritation.
H319: Causes serious eye irritation.
Precautionary Statement(s) P302 + P352: IF ON SKIN: Wash with plenty of soap and water.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Signal Word Warning
Hazard Pictogram(s)
RTECS GB6845000
Storage class 10 - 13 Other liquids and solids
WGK WGK 2 water endangering
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).


Safety information
R Phrase R 36/38
Irritating to eyes and skin.
Categories of danger irritant
Hazard Symbol




Assay (iodometric) 99.0 - 102.0 %
Insoluble matter  0.01 %
Chloride (Cl)  0.002 %
Heavy metals (as Pb)  0.01 %
Al (Aluminium)  0.005 %
Cu (Copper)  0.001 %
Fe (Iron)  0.010 %
NH4 (Ammonium)  0.010 %
Pb (Lead)  0.005 %
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