Potassium dichromate, 99.5%, for analysis

Description

CAS: 7778-50-9 | Cr₂K₂O₇ | 294.19 g/mol

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

Suitable for battery materials development.

Oxidation reagent

Specifications

Chemical Identifiers

• CAS: 7778-50-9
• Molecular Formula: Cr₂K₂O₇
• Molecular Weight (g/mol): 294.19
• MDL Number: MFCD00011367
• InChI Key: KMUONIBRACKNSN-UHFFFAOYSA-N
• Synonym: potassium dichromate, potassium bichromate, kaliumdichromat, iopezite, dipotassium bichromate, dipotassium dichromate, potassium dichromate vi, dichromic acid dipotassium salt, dipotassium dichromium heptaoxide, bichromate of potash
• PubChem CID: 24502
• ChEBI: CHEBI:53444
• IUPAC Name: dipotassium;oxido-(oxido(dioxo)chromio)oxy-dioxochromium
• SMILES: [O-][Cr](=O)(=O)O[Cr](=O)(=O)[O-].[K+].[K+]

• Boiling Point: 500.0°C
• Melting Point: 398.0°C
• Color: Orange
• Physical Form: Fine Crystals or Crystalline Powder
• Quantity: 50 g
• Assay Percent Range: 99.5% min. (Iodometry)
• Linear Formula: K₂Cr₂O₇
• Fieser: 08,410; 09,383; 10,324; 12,405
• Merck Index: 15, 7748
• Solubility Information: Solubility in water: 125g/L (20°C). Other solubilities: 50 g/100 mL water (100°C), insoluble in alcohol
• Formula Weight: 294.19
• Percent Purity: 99.5%
• Grade: Analytical
• Loss on Drying: 0.05% max. (105°C)
• Packaging: Plastic bottle
• Chemical Name or Material: Potassium dichromate, p.a.

Safety and Handling

Hazard Category	GHS Signal Word: Danger
Hazard Statement	GHS H Statement May cause an allergic skin reaction. Fatal if inhaled. Causes severe skin burns and eye damage. Very toxic to aquatic life with long lasting effects. May cause allergy or asthma symptoms or breathing difficu
Precautionary Statement	GHS P Statement Wear protective gloves/protective clothing/eye protection/face protection. Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Take any precaution to avoid mixing with combustibles. In case of major
EINECSNumber	231-906-6
RTECSNumber	HX7680000
TSCA	TSCA

SDS

RUO – Research Use Only