Substance Information
REACH registered substance data was upgraded on 9th November. The per substance REACH registration status is being calculated and will be made available as soon as possible.
We apologise for the inconvenience in the meantime.
Substance Infocard
IC
''mercurous oxide''
EC / List no.: 239-934-0
CAS no.: 15829-53-5
Mol. Formula:

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
- PACT - Public activities Co-ordination ToolPublic (risk management) activities co-ordination tableTool showing an overview of substances in various key regulatory processes that authorities are working on.
- Substances indicated, in 2009, as being intended to be registered by at least one company in the EEA.
-
-
PIC - Prior Informed Consent Regulation
- Substances subject to export controls or banned from export from the EU under the PIC regulation.
Previous Legislations
- Substances listed in the EINECS, ELINCS, or NLP inventories.
Cosmetic Products Regulation
- Cosmetic Products Regulation, Annex II - Prohibited SubstancesEU. Prohibited Substances: Annex II, Regulation 1223/2009/EC on Cosmetic Products, as amended by Regulation 2019/1966/EU, 28 November 2019

Substance names and other identifiers
Regulatory process names
''mercurous oxide''
EC Inventory, Other
''mercurous oxide''
Pre-Registration process, Other
Mercurous oxide
Other
mercurous oxide
PIC
Mercurous oxide (Hg2O)
Other
Mercury oxide
Other
Mercury oxide (Hg2O)
Other
Mercury oxide black
Other
Mercury(I) oxide
Other
Quecksilberoxid
Other
IUPAC names
mercuriooxymercury
Other
Other identifiers
1312-01-2
Other
CAS number
15829-53-5
EC Inventory, PIC, Pre-Registration process, Other
CAS number
2852 00 00
PIC
Combined Nomenclature Code
2852 00 00
PIC
Combined Nomenclature Number

Group parents
This substance has been identified as member of the following groups of substances:
Name | EC / List no. | CAS no. | Association |
---|---|---|---|
Mercury compounds, including inorganic mercury compounds, alkyl mercury compounds and alkyloxyalkyl and aryl mercury compounds | - | - | Expert judgement |
Mercury compounds | - | - | Expert judgement |
Route: .live2