Potassium dichromate, 99.5%, for analysis, Thermo Scientific Chemicals

Description

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

Product Identifier

• Potassium dichromate

Signal Word

• Danger

Hazard Category

• Oxidising solid Category 2
• Acute toxicity Category 1
• Skin corrosion/irritation Category 1 B
• Serious eye damage/eye irritation Category 1
• Respiratory sensitiser Category 1
• Skin sensitiser Category 1
• Germ cell mutagenicity Category 1B
• Carcinogenicity Category 1B
• Reproductive toxicity Category 1B
• Specific target organ toxicity Category 1
• ACUTE AQUATIC Acute 1
• LONG-TERM AQUATIC HAZARD Chronic 1

Hazard Statement

• H272-May intensify fire; oxidiser.
• H301-Toxic if swallowed.
• H310-Fatal in contact with skin.
• H330-Fatal if inhaled.
• H314-Causes severe skin burns and eye damage.
• H317-May cause an allergic skin reaction.
• H334-May cause allergy or asthma symptoms or breathing difficulties if inhaled.
• H340-May cause genetic defects.
• H350-May cause cancer.
• H360FD-May damage fertility. May damage the unborn child.
• H372-Causes damage to organs.
• H410-Very toxic to aquatic life with long lasting effects.

Precautionary Statement

• P280-Wear protective gloves/protective clothing/eye protection/face protection.
• P210-Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
• P371+P380+P375-In case of major fire and large quantities: Evacuate area Fight fire remotely due to the risk of explosion.
• P310-Immediately call a POISON CENTER/doctor/.
• P301+P330+P331-IF SWALLOWED: rinse mouth. Do NOT induce vomiting.
• P303+P361+P353-IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/ shower.
• P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

RUO – Research Use Only