Chromium(III) potassium sulfate dodecahydrate, 99.9% (metals basis), Thermo Scientific Chemicals

Description

It is used for tanning of leather and as a photographic film hardener. It is also used in textile dye, photography, ceramics, and the preparation of chromium standard solutions, as a catalyst, mordant, ceramics, tannage and developer.

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.

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
• Color: Violet
• Physical Form: Crystalline
• Quantity: 100 g
• Assay Percent Range: 99.9% (Metal basis)
• Solubility Information: Soluble in water 24g/100 mL (15°C).
• Formula Weight: 499.39 (283.21 Anhydrous)
• Odor: Odorless
• Appearance: Violet crystals
• Density: 1.83
• Chemical Name or Material: Chromium(III) potassium sulfate dodecahydrate

RUO – Research Use Only