Chromium(III) potassium sulfate dodecahydrate

Basic Information

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CAS Number

7788-99-0

Molecular Formula

CrH24KO20S2

Molecular Weight

499.4 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Water Treatment Chemicals Coagulants and Flocculants Inorganic Coagulants

Basic Physical Properties

Melting Point

89 °C

Boiling Point

330 °C at 760 mmHg

Density

1.83

Water Solubility

24 g/100 mL (15 ºC)

Solubility

water: soluble(lit.)

SMILES

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O.O.O.O.O.O.O.O.O.O.O.O.[O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].[K+].[Cr+3]

InChI

InChI=1S/Cr.K.2H2O4S.12H2O/c;;2*1-5(2,3)4;;;;;;;;;;;;/h;;2*(H2,1,2,3,4);12*1H2/q+3;+1;;;;;;;;;;;;;;/p-4

InChIKey

ZFVHBEKVAITXHW-UHFFFAOYSA-J

LogP

-1.28600

Complexity

62.2

Safety Information

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Stability

Stable. Incompatible with magnesium, aluminium.

Sensitiveness

对湿度敏感

Synonyms & References

English

CHROMIUM KALI SULPHURICUM
Q27279646
MFCD00149917
AKOS025243252
AKOS015902664
Chromic potassium sulfate dodecahydrate
H24CrKO20S2
Potassium chromium(III) sulfate dodecahydrate
DTXSID90228493
Chrome alum (dodecahydrate)
Chromium(III) potassium sulfate dodecahydrate
CHROMIC POTASSIUM SULFATE DODECAHYDRATE [MI]
UNII-H54D055WX6
Potassium chromium alum dodecahydrate
Chromium(III)potassiumsulfatedodecahydrate
FT-0623789
H54D055WX6
CHROMIUM(III) POTASSIUM DISULFATE DODECAHYDRATE
Chromium potassium sulfate dodecahydrate
Sulfuric acid, chromium(3+)potassium salt(2:1:1), dodecahydrate
potassium;chromium(3+);disulfate;dodecahydrate
CCRIS 8929
7788-99-0
Chromium(III) potassium sulfate (1:1:2), dodecahydrate
NS00129488
CHROMIUM KALI SULPHURICUM [HPUS]
Chromium Potassium Sulfate dodecahydrate
Chrome alum
Chromium potassium sulfate
Potassium chromium sulfate
Chromiumpotassiumsulfatecrystal

MDL Number

MFCD00011363

Customs Code

2833309000

FAQ

What is Chromium(III) potassium sulfate dodecahydrate (CAS: 7788-99-0)?

Chromium(III) potassium sulfate dodecahydrate (CAS: 7788-99-0) is a hydrated chromium compound with the chemical formula KCr(SO4)2·12H2O. It appears as a pink crystalline solid and is highly soluble in water. This compound is commonly used in chemical research and industrial applications due to its stability and reactivity in aqueous solutions.

What are the main uses of Chromium(III) potassium sulfate dodecahydrate (CAS: 7788-99-0)?

Chromium(III) potassium sulfate dodecahydrate (CAS: 7788-99-0) is used in pharmaceuticals as a reagent for drug synthesis, in industrial processes for water treatment and dyeing, and in research for analytical chemistry. It also serves as a source of chromium ions in chemical reactions and is employed in the production of other chromium compounds.

Is Chromium(III) potassium sulfate dodecahydrate (CAS: 7788-99-0) safe?

Chromium(III) potassium sulfate dodecahydrate (CAS: 7788-99-0) is considered less toxic than Chromium(VI) compounds, but safety precautions are still necessary. Direct contact may cause skin or eye irritation, so protective gloves, goggles, and ventilation are recommended. Follow OSHA and EPA guidelines for handling and disposal to ensure workplace and environmental safety.

How should Chromium(III) potassium sulfate dodecahydrate (CAS: 7788-99-0) be stored?

Chromium(III) potassium sulfate dodecahydrate (CAS: 7788-99-0) should be stored in a cool, dry, and dark place in airtight, moisture-proof containers. Maintain storage conditions below 25°C and away from incompatible materials to preserve stability. Ensure proper labeling and avoid exposure to high humidity or direct sunlight to prevent degradation.