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  7. Potassium dichromate, 99.5%, extra pure

Potassium dichromate, 99.5%, extra pure

Catalog No. p-3586479
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Quantity:
500 g
1 kg
Packaging:
Plastic bottle
Catalog No. Quantity Packaging
AC197765000 500 g Plastic bottle
AC197760010 1 kg Plastic bottle
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Catalog No. AC197765000

Supplier: Thermo Scientific Chemicals 197765000

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Description

Oxidation reagent | 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

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+]

Specifications

Boiling Point 500.0°C
Melting Point 398.0°C
Color Orange to Orange-Red
Physical Form Crystals
Quantity 500 g
Assay Percent Range 99.4% 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 Extra Pure
Loss on Drying 0.05% max. (110°C)
Packaging Plastic bottle
Chemical Name or Material Potassium dichromate
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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

RUO – Research Use Only