What does the restriction note for ZIRCONYL DIOXIDE mean?

The restriction field for ZIRCONYL DIOXIDE reads: II/391. This is the restriction note from the CosIng inventory. For authoritative conditions and limits, always refer to the linked annex entries.

What other records share CAS 1314-23-4?

CAS 1314-23-4 may appear across multiple EU annex records. The CAS lookup page shows all Annex II–VI entries sharing this identifier, useful for identifying cross-annex regulatory status of the same chemical substance.

How do I check if my formula contains ZIRCONYL DIOXIDE?

Use the INCI Checker to screen a full ingredient list across selected markets, or use the substance market comparison to review this identity across all supported market datasets.

InventoryRef 8464615/10/2010

ZIRCONYL DIOXIDE

identical with the INCI-name Zirconium dioxide

ZIRCONYL DIOXIDE is linked to 1 EU annex record on this page. Inventory note: II/391.

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Regulatory evidence by market

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Market	Evidence status	Records	Source language
European Union	Evidence linked Prohibited entry found Open this evidence	1	English and EU languages
Great Britain	Source mapped Official source mapped; ingredient rule not imported	0	English
Canada	Source mapped Official source mapped; ingredient rule not imported	0	English and French
New Zealand	Source mapped Official source mapped; ingredient rule not imported	0	English
ASEAN	Source mapped Official source mapped; ingredient rule not imported	0	English and national languages
China	Source mapped Official source mapped; ingredient rule not imported	0	Chinese with selected English material
Japan	Source mapped Official source mapped; ingredient rule not imported	0	Japanese; official English translation available
South Korea	Source mapped Official source mapped; ingredient rule not imported	0	Korean with some English names
United States	Source mapped Official source mapped; ingredient rule not imported	0	English
Australia	Source mapped Official source mapped; ingredient rule not imported	0	English
Brazil	Source mapped Official source mapped; ingredient rule not imported	0	Portuguese with INCI crosswalks
India	Source mapped Official source mapped; ingredient rule not imported	0	English and Hindi
Saudi Arabia	Source mapped Official source mapped; ingredient rule not imported	0	Arabic and English

Chemical identity and properties

PubChem 2D chemical structure for CAS 1314-23-4

CAS 1314-23-4PubChem CID 62395

Zirconium dioxide

IUPAC name: dioxozirconium

Molecular formula: O2Zr
Molecular weight: 123.22 g/mol
Exact mass: 121.894528 Da
Topological polar surface area: 34.1 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 2
Covalent units: 1
Defined stereocentres: 0

Also known as

RhuligelZirconium WhiteZirconic anhydrideZirox Zt 35PCS (filler)CAP (oxide)Norton 9839Zircoa 5027

16 more reported names

TZ 3YTSKNZS 30ANissan Zirconia Sol NZS 20ACC 10C.I. 77990ZD 100RefChem:1101191215-227-2Zirconium oxide (ZrO2)Zirconium(IV) oxideBaddeleyite (ZrO2)ZrO2Zirconium(IV) oxide, calcia stabilizedNyacol Zr (acetate)Torayceram Sol ZS-OAZirconium oxide (VAN)

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

EPA DTXSID:DTXSID301315847

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Inventory details for ZIRCONYL DIOXIDE

INCI name

ZIRCONYL DIOXIDE

Description

identical with the INCI-name Zirconium dioxide

Record provenance

Inventory reference: 84646
Imported identity: ZIRCONYL DIOXIDE
Source update: 15/10/2010

European Commission CosIng source notes

Annex records for ZIRCONYL DIOXIDE

Annex II Restriction reference

Entry 391

Zirconium and its compounds, with the exception of the substances listed under reference number 50 …

CAS: 7440-67-7

EC: 231-176-9

Key data

CAS

1314-23-4

215-227-2

Restriction

II/391

Function

OPACIFYING: Reducing transparency or translucency of cosmetics.

Records sharing a CAS or EC identity

ZIRCONIUM DIOXIDE

Ingredients with overlapping formulation functions

ZINC UNDECYLENATEANTICAKING, ANTIMICROBIAL, OPACIFYING

ZIRCONIUM BIS(HYDROGEN PHOSPHATE)BULKING, OPACIFYING

ZIRCONIUM DIOXIDEOPACIFYING

ZIRCONIUM SILICATEABRASIVE, OPACIFYING

Additional official and scientific sources

11 external databases to check this identity in

Each link searches that source for this identity. What each source is, and its legal weight

ECHA CHEM / Information on chemicals PubChem PUG REST EU Safety Gate cosmetic product alerts ECHA CHEM US EPA CompTox Cosmetic Ingredient Review safety assessments FDA Global Substance Registration System ILO/WHO International Chemical Safety Cards Japan NITE-CHRIP NIOSH Pocket Guide to Chemical Hazards OECD eChemPortal

How ZIRCONYL DIOXIDE appears in the CosIng inventory

The CosIng inventory lists ZIRCONYL DIOXIDE as a cosmetic ingredient and this page links it to 1 annex record. The inventory entry captures names and identifiers, while the annex record shows where the substance is prohibited, restricted or positively listed in EU cosmetics law.

ZIRCONYL DIOXIDE is also tagged with 1 cosmetic function in the official data. Function labels describe intended use, but they do not replace regulatory review of linked annex records before formulation or labelling work.

Frequently asked questions

ZIRCONYL DIOXIDE appears in the EU CosIng inventory and has linked annex records. Check the annex records above for applicable restrictions, concentration limits and conditions of use. Annex II listing means prohibited; Annex III means restricted; Annexes IV, V and VI mean permitted under specified conditions.

The restriction field for ZIRCONYL DIOXIDE reads: "II/391". This is the restriction note recorded in the CosIng inventory for this ingredient. For authoritative conditions and limits, always refer to the linked annex entries above.

According to the EU CosIng inventory, ZIRCONYL DIOXIDE carries the following function designation(s):

OPACIFYING

CAS 1314-23-4 may appear across multiple EU annex records. Viewing the CAS lookup page shows all Annex II–VI entries sharing this identifier, which is useful for identifying cross-annex regulatory status of the same chemical substance.

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Source note for ZIRCONYL DIOXIDE

This page combines the CosIng inventory entry for ZIRCONYL DIOXIDE with 1 linked Annex II–VI record from the local dataset built from public European Commission cosmetic ingredient materials.

Use this inventory page to research ZIRCONYL DIOXIDE and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.

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Tools & next steps

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