CrK2O4
194.19 g/mol
Industrial ChemicalDanger
POTASSIUM CHROMATE
CAS7789-00-6EC232-140-5
Category
Industrial Chemical
Compound Class
Inorganic Salt
Primary Use
Oxidizing agent in analytical chemistry
Potassium chromate is an inorganic compound that serves primarily as an oxidizing agent in analytical chemistry. It is also employed in industrial applications such as pigments, leather tanning, photographic processing, and textile dyeing and finishing.
Oxidizing agent in analytical chemistryPigment in paintsLeather tanning and processing
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
Restricted or banned substances
Substances on this list are banned or restricted under the named regulation. This page is a compliance reference — verify your obligations under applicable law.
Relevant lists:EU REACH Authorisation List
CAS 7789-00-6
Related Compounds
ReferenceSame Category
Chromic nitrate nonahydrate
CAS7789-02-8
Catalyst, textile printing, corrosion inhibitor
ReferenceSame Category
Ammonium dichromate
CAS7789-09-5
Petroleum production and refining
ReferenceSame Category
Cesium nitrate
CAS7789-18-6
Used to make other cesium salts
ReferenceSame Category
Fluorosulfonic acid
CAS7789-21-1
Fluorinating agent and catalyst
Safety Reference
Danger
H315Causes skin irritation
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H335May cause respiratory irritation
H340May cause genetic defects
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
H301Toxic if swallowed
H330Fatal if inhaled
H350May cause cancer
H372Causes damage to organs through prolonged or repeated exposure
H314Causes severe skin burns and eye damage
H318Causes serious eye damage
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
H360May damage fertility or the unborn child
H370Causes damage to organs
H341Suspected of causing genetic defects
H312Harmful in contact with skin
Customs Tariff Classification
The international HS code for POTASSIUM CHROMATE (CAS 7789-00-6) is 2841.50.
HS code (international, 6-digit)
2841.50
EU CN code (8-digit)
2841 50 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
dipotassium;dioxido(dioxo)chromium
InChIKey
XMXNVYPJWBTAHN-UHFFFAOYSA-N
SMILES
[O-][Cr](=O)(=O)[O-].[K+].[K+]
Synonyms (22)
- 51Cr-Potassium chromate
- 7789-00-6(water)
- Bipotassium chromate
- Chromate of potash
- Chromate of potass
- Dipotassium chromate
- Dipotassium chromate (K2CrO4)
- Dipotassium monochromate
- KALI CHROMICUM
- Neutral potassium chromate
- POTASSIUM CHROMATE
- Potassium chromate (K2(CrO4))
- Potassium chromate(VI)
- Potassium chromate, solution
- Tarapacaite
- chromic acid potassium salt