Chromium(III) potassium sulfate dodecahydrate, 98%, Thermo Scientific Chemicals

Description

Chromium(III) potassium sulfate is used for tanning of leather and as a photographic film hardener. It is used in manufacturing of chromium-containing catalyst.It is used in mordantin in printing and dyeing industry and it could also be used as analytical reagent. In addition, it is also used as food additive.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
Chromium(III) potassium sulfate is used for tanning of leather and as a photographic film hardener. It is used in manufacturing of chromium-containing catalyst.It is used in mordantin in printing and dyeing industry and it could also be used as analytical reagent. In addition, it is also used as food additive.

Solubility
Soluble in water. 24 g/100 mL (15°C)

Notes
Incompatible with magnesium, aluminum. Store away from heat.

Specifications

Chemical Identifiers

• CAS: 7788-99-0
• Molecular Formula: CrH24KO20S2
• Molecular Weight (g/mol): 499.386
• MDL Number: MFCD00149917
• InChI Key: ZFVHBEKVAITXHW-UHFFFAOYSA-J
• Synonym: chromium potassium sulfate dodecahydrate, chrome alum dodecahydrate, potassium chromium alum dodecahydrate, unii-h54d055wx6, ccris 8929, chromic potassium sulfate dodecahydrate, chromium iii potassium sulfate 1:1:2 , dodecahydrate, sulfuric acid, chromium 3+ potassium salt 2:1:1 , dodecahydrate, acmc-20alga, ksc492e4p
• PubChem CID: 24596
• IUPAC Name: potassium;chromium(3+);disulfate;dodecahydrate
• SMILES: 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]

• Melting Point: 89°C
• Quantity: 500 g
• Linear Formula: CrK(SO₄)₂·12H₂O
• Merck Index: 14,2229
• Solubility Information: Soluble in water. 24g/100 mL (15°C)
• Formula Weight: 499.39 (283.21 Anhydrous)
• Percent Purity: 98%
• Odor: Odorless
• Density: 1.83
• Chemical Name or Material: Chromium (III) potassium sulfate dodecahydrate

Safety and Handling

Hazard Category	H315-H319
Hazard Statement	GHS H Statement H315-H319 Causes skin irritation. Causes serious eye irritation.
Precautionary Statement	P264b-P280-P302+P352-P305+P351+P338-P332+P313-P362
EINECSNumber	233-401-6
RTECSNumber	GB6850000
TSCA	Yes
Recommended Storage	Ambient temperatures

SDS

RUO – Research Use Only