Chromium potassium sulfate dodecahydrate, 98+%, ACROS Organics™

Product Code	Brand	Quantity	Packaging
10012890	Acros Organics 222520050	5g	Glass bottle
10657372	Acros Organics 222521000	100g	Plastic bottle
10616222	Acros Organics 222525000	500g	Plastic bottle
10472835	Acros Organics 222520025	2.5kg	Plastic bottle

Chemical Identifiers

• CAS: 7788-99-0
• Molecular Weight (g/mol): 499.39
• InChI Key: ZFVHBEKVAITXHW-UHFFFAOYSA-J
• PubChem CID: 24596
• 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]

• Molecular Formula: CrKO₈S₂·₁₂H₂O
• MDL Number: MFCD00149917
• 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
• IUPAC Name: potassium;chromium(3+);disulfate;dodecahydrate

Specifications

• Chemical Name or Material: Chromium potassium sulfate dodecahydrate
• CAS: 7788-99-0
• Assay Percent Range: 98.0 to 102% (Iodometry)
• Linear Formula: CrK(SO₄)₂·12H₂O
• Ammonium: 100ppm max.
• 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
• InChI Key: ZFVHBEKVAITXHW-UHFFFAOYSA-J
• IUPAC Name: potassium;chromium(3+);disulfate;dodecahydrate
• PubChem CID: 24596
• Physical Form: Crystals
• Chloride: 20ppm max
• Density: 1.8300g/mL
• Insoluble Matter: 0.01% max. (in water)
• Packaging: Glass bottle
• Specific Gravity: 1.83
• Melting Point: 89.0°C

• Name Note: p.a.
• Aluminum (Al): 200ppm max.
• Molecular Formula: CrKO₈S₂·₁₂H₂O
• MDL Number: MFCD00149917
• Merck Index: 15, 2233
• Solubility Information: Solubility in water: 24g/100mL (15°C). Other solubilities: soluble in ethanol,sparingly soluble in ether
• 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]
• Molecular Weight (g/mol): 499.39
• Formula Weight: 499.39
• Percent Purity: 98+%
• Chlorine (Cl): 20ppm max.
• Insoluble in Water: 0.01% max.
• Iron (Fe): 100ppm max.
• Solubility: Solubility in water: 24 g/100 mL (15°C).
• Color: Purple
• Quantity: 5g