Potassium dichromate, 99+%, ACS reagent

Catalog No. AC424115000

Supplier: Thermo Scientific Chemicals 424115000

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.

Oxidation reagent

Specifications

Chemical Identifiers

• CAS: 7778-50-9
• 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: Crystals
• Quantity: 500 g
• Assay Percent Range: 99% min. (Iodometry)
• Molecular Formula: Cr₂K₂O₇
• 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
• Molecular Weight (g/mol): 294.19
• Formula Weight: 294.19
• Percent Purity: ≥99%
• Grade: ACS Reagent
• Loss on Drying: 0.05% max.
• Packaging: Plastic bottle
• Decomposition Information: >500°C
• Chemical Name or Material: Potassium dichromate

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