Technical Data

236883
CAS Number
7788-99-0
Grade
ACS Grade
MDL Number
MFCD00149917
Molecular Formula
CrK(SO4)2·12H2O
Molecular Weight
499.4
EU Commodity Code
38220090
Shipping Temp
RT
Storage Temp
RT
Chromium(III) Potassium Sulfate Dodecahydrate, ACS
Chrome Alum

Used in preparation of chromium standard solutions.

Synonyms
Chrome Alum
CAS No
7788-99-0
Molecular Formula
CrK(SO4)2·12H2O
Molecular Weight
499.40
Appearance
Purple or very dark purple or black crystals
Purity
98.0-102.0% (Titration)
Melting Point
~89°C
Heavy Metals (Pb)
≤ 0.01%
Chloride (Cl-)
≤ 0.002%
Aluminum (Al)
≤ 0.02%
Iron (Fe)
≤ 0.01%
Ammonium (NH4+)
≤ 0.01%
Insoluble Material
≤ 0.01%
Solubility
20g in 100ml cold water
Storage and Stability
Store at RT. For maximum recovery of product, centrifuge the original vial prior to removing the cap.
Meets or exceeds ACS Specifications

Intended for research use only. Not for use in human, therapeutic, or diagnostic applications.

References
No references available
USBio References
No references available
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