ZIRCONYL DIOXIDE

Also known as: Zirconium oxide (ZrO2), EINECS 215-227-2, Rhuligel, UNII-S38N85C5G0

ZIRCONYL DIOXIDE (CAS 1314-23-4) is a cosmetic cosmetic ingredient functioning as Opacifying. NOAEL 3156 mg/kg bw/day (cross-referenced against ToxValDB ECHA IUCLID); EU Regulation 1223/2009 status: restricted, max II/391. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety data.

View industrial chemical safety profile for CAS 1314-23-4 →

Auto-generated CPSR Part A draft with source citations
Function
Opacifying
Safety Rating
MODERATE

Chemistry & Identifiers

Formula
O2Zr
MW
123.22 g/mol
EC Number
215-227-2
PubChem CID
62395
IUPAC Name
dioxozirconium
InChIKey
MCMNRKCIXSYSNV-UHFFFAOYSA-N

Regulatory Status

EU EU Status restricted
EU Max Conc. II/391
US US Status Not specifically regulated

For full compliance data across multiple jurisdictions, use the Substance Compliance tool.

Pre-Calculated Safety Assessment

Pre-calculated NOAEL → SED → MoS audit trail for ZIRCONYL DIOXIDE across SCCS product categories, with measured dermal absorption where available.

ECHA REACH Registration

European Chemicals Agency REACH dossier and Substances of Very High Concern listing.

Registration Type
Full
Tonnage Band
10,000 - 100,000 tonnes
Substance Type
SUBSTANCE
SVHC Candidate
No

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Degradant/impurity Filler Opacifer Pigment Surface modifier
Regulatory List Membership (1)
FDA Indirect Food Contact Additives

Expert Verdict

Expert safety assessment and concern-level summary for ZIRCONYL DIOXIDE.

Regulatory Flags

cosing-sourced eu-restricted needs-enrichment

Known Synonyms

Zirconium oxide (ZrO2) EINECS 215-227-2 Rhuligel UNII-S38N85C5G0

Chemical Function

Opacifer Pigment

Regulatory Lists

CEDI Indirect additives food contact (10/2018)

Australian Status

AICIS status: listed

Frequently Asked Questions

Is ZIRCONYL DIOXIDE safe in cosmetics?

ZIRCONYL DIOXIDE has a safety rating of "MODERATE" in our database. EU status: restricted.

Is ZIRCONYL DIOXIDE allowed in the EU?

ZIRCONYL DIOXIDE EU regulatory status: restricted. Maximum allowed concentration: II/391. This is based on EU Regulation 1223/2009 and its amendments.

What does ZIRCONYL DIOXIDE do in cosmetics?

ZIRCONYL DIOXIDE functions as: Opacifying. It is classified as a cosmetic ingredient in our database. CAS number: 1314-23-4.

Is ZIRCONYL DIOXIDE used outside cosmetics?

ZIRCONYL DIOXIDE also appears in industrial chemical safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.

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