Potassium Bichromate

Synonym(s)

: Potassium dichromate, kalium dichromate, dipotassium bichromate

Mol. Formula

: K2Cr2O7

EC / List no.

: 231-906-6

CAS no.

: 7778-50-9

Molecular weight

: 294,18

Potassium dichromate is a potassium salt, the dipotassium salt of dichromic acid. It has the role of oxidizing agent, allergen and sensitizer. Contains a dichromate (2-).

Application

» This substance is used in the following products: laboratory chemicals, pH regulators and water treatment products.
» Release of this substance to the environment may occur from industrial use: formulation of mixtures, as an intermediate step in the further manufacture of another substance (use of intermediates) and as a processing aid.
» Other releases of this substance into the environment are likely to occur: indoor use as a reagent.

Product Specifications

Physical and Chemical Properties
» Potassium bichromate appears as orange red crystals.
» It is odorless and has a metallic taste.

Properties

Characteristics	Unit	Value	Condition
Melting point	°C	398
Density	g/cm³	2.7	20 °C
Solubility	g/ L	115	20 °C, soluble with water
pH		4.04	1% aqueous solution
Refractive index		1.738
Autoignition point		Non- flammable