chromium (iii) potassium sulphate dodecahydrate 99% ar

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Specification

Description

Chrome alum; Potassium chromium(III) sulfate dodecahydrate
Chromium (III) Potassium Sulphate

CAS	7788-99-0
Molecular Formula	KCr(SO4)2.12H2O
Molecular Weight	499.39
Shelf Life	60 Months

Physical Properties
Physical State at 20 °C	Solid	Colour	Violet crystalline
Odour	Odorless	Melting Point/ Freezing Point [°C]	89 °C
Density [g/cm3]	1.826	Solubility in Water [% weight]	Soluble in water

Specifications
Appearance	Violet crystalline powder	Assay (Iodometric)	99 – 102%
Substance Insoluble in Water	Max 0.01%	Chloride (Cl)	Max 0.002%
Lead (Pb)	Max 0.005%	Copper (Cu)	Max 0.001%
Nickel (Ni)	Max 0.001%	Iron (Fe)	Max 0.01%
Aluminium (Al)	Max 0.005%	Ammonium (Nh4)	Max 0.01%
Heavy Metal (As Pb)	Max 0.01%

Dangerous Goods Information
UN Number	–	DG Class	–

chromium (iii) potassium sulphate dodecahydrate 99% ar

SKU C00805-00500-HS Category Chemicals