Substance Information

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REACH Registration data can be found in the new ECHA CHEM database. The old ‘Registered substance factsheets’ will be available on this web site during the transition period but have not been updated since 19 May 2023. More


Substance Infocard


Chromium(VI) oxides and chromium(VI) oxyanion acids and salts

EC / List no.: -

CAS no.: -

Mol. Formula:

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Key datasets


Regulatory context

Here you can find all of the regulations and regulatory lists in which this substance appears, according to the data available to ECHA. This substance has been found in the following regulatory activities (directly, or inheriting the regulatory context of a parent substance):

REACH - Registration, Evaluation, Authorisation and Restriction of Chemicals Regulation
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Substance names and other identifiers

Regulatory process names
Chromium(VI) oxides and chromium(VI) oxyanion acids and salts
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Group members

This entry / group of substance has the following member substances:

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Name EC / List no. CAS no. Association
Oligomers of chromic acid and dichromic acid - - Official source
Chromic acid 231-801-5 7738-94-5 Official source
Chromium trioxide 215-607-8 1333-82-0 Official source
Dichromic acid 236-881-5 13530-68-2 Official source