Potassium Dichromate, Extra Pure, SLR, Crystals, Fisher Chemical™

Product Code	Brand	Quantity
10336290	Fisher Chemical P/4680/60	1 kg
10122060	Fisher Chemical P/4680/65	5 kg

Chemical Identifiers

• CAS: 7778-50-9
• Molecular Weight (g/mol): 294.182
• InChI Key: KMUONIBRACKNSN-UHFFFAOYSA-N
• PubChem CID: 24502
• IUPAC Name: dipotassium;oxido-(oxido(dioxo)chromio)oxy-dioxochromium

• Molecular Formula: Cr2K2O7
• MDL Number: 11367
• Synonym: potassium dichromate, potassium bichromate, kaliumdichromat, iopezite, dipotassium bichromate, dipotassium dichromate, potassium dichromate vi, dichromic acid dipotassium salt, dipotassium dichromium heptaoxide, bichromate of potash
• ChEBI: CHEBI:53444
• SMILES: [O-][Cr](=O)(=O)O[Cr](=O)(=O)[O-].[K+].[K+]

Specifications

• Boiling Point: 500°C
• CAS: 7778-50-9
• pH: 4
• Molecular Formula: Cr2K2O7
• Synonym: potassium dichromate, potassium bichromate, kaliumdichromat, iopezite, dipotassium bichromate, dipotassium dichromate, potassium dichromate vi, dichromic acid dipotassium salt, dipotassium dichromium heptaoxide, bichromate of potash
• SMILES: [O-][Cr](=O)(=O)O[Cr](=O)(=O)[O-].[K+].[K+]
• Molecular Weight (g/mol): 294.182
• ChEBI: CHEBI:53444
• Packaging: Plastic powder jar

• Melting Point: 398°C
• Color: Orange
• Physical Form: Solid
• MDL Number: 11367
• InChI Key: KMUONIBRACKNSN-UHFFFAOYSA-N
• IUPAC Name: dipotassium;oxido-(oxido(dioxo)chromio)oxy-dioxochromium
• PubChem CID: 24502
• Formula Weight: 294.19g/mol

Safety and Handling

Product Identifier

• Potassium dichromate

Signal Word

• Danger

Hazard Category

• Oxidising solid Category 2
• Acute toxicity Category 3
• Acute toxicity 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.