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InventoryRef 3944302/03/2011

CYCLOHEXYLIDENECYCLOHEXANONE

2-Cyclohexylidenecyclohexanone

CYCLOHEXYLIDENECYCLOHEXANONE is listed in the EU CosIng inventory, but no direct annex records are linked on this page yet.

Regulatory evidence by market

No rule for this ingredient has been imported for any of the 13 markets tracked here.

That describes this inventory, not the law. No imported rule is not evidence that an ingredient is permitted: a rule may exist under another name or identifier, or in a dataset not yet imported here.

Chemical identity and properties

PubChem 2D chemical structure for CAS 1011-12-7
CAS 1011-12-7PubChem CID 13892

Bicyclohexyliden-2-one

IUPAC name
2-cyclohexylidenecyclohexan-1-one
Molecular formula
C12H18O
Molecular weight
178.27 g/mol
Exact mass
178.135765193 Da
XLogP3
2.9
Topological polar surface area
17.1 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
1
Covalent units
1
Defined stereocentres
0

Also known as

2-CYCLOHEXYLIDENECYCLOHEXANONECyclohexanone, 2-cyclohexylidene-DianonG1VAK47QOVEINECS 213-779-9NSC 61652NSC-61652AI3-04026
13 more reported names
RefChem:568318213-779-9Cyclohexanone, cyclohexylidene-Cyclohexylidenecyclohexanone[1,1'-Bi(cyclohexylidene)]-2-one2-Cyclohexylidene-cyclohexanoneUNII-G1VAK47QOV2-Cyclohexylidenecyclohexanone; Dianon; Bicyclohexyliden-2-onecyclohexylidene cyclohexanone2-cyclohexylidene cyclohexanone[1,1'-Bi(cyclohexyliden)]-2-oneDB-286406[1,1 inverted exclamation mark -Bi(cyclohexylidene)]-2-one
External database identifiers

Evidence from additional scientific databases

NIH PubChem PUG-View
Exact identifier match13892

Attributed physical-property, hazard, environmental and use annotations.

  • Note: This chemical does not meet GHS hazard criteria for 100% (234 of 234) of all reports. Source: European Chemicals Agency (ECHA)
  • GHS Hazard Statements: Not Classified; Reported as not meeting GHS hazard criteria by 234 of 234 companies. For more detailed information, please visit ECHA C&L website. Source: European Chemicals Agency (ECHA)
  • ECHA C&L Notifications Summary: Aggregated GHS information provided per 234 reports by companies from 1 notifications to the ECHA C&L Inventory.; Reported as not meeting GHS hazard criteria per 234 of 234 reports by companies.; There are 0 notifications provided by 0 of 234 reports by companies with hazard statement code(s).; Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website. Source: European Chemicals Agency (ECHA)

Mapped by: Existing checksum-valid CAS to unique PubChem CID match. Retrieved: 2026-08-31. Open source record

Scientific classifications and hazard annotations provide context and do not replace the market-specific regulatory decision shown above.

Additional source coverage and match status
SourceResultChecked
EMBL-EBI ChEBINo exact record2026-08-31
NIH PubChem PUG-ViewExact match2026-08-31

A recorded no-match is useful evidence that the source was checked; it is not a claim that the substance does not exist elsewhere.

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 CYCLOHEXYLIDENECYCLOHEXANONE

INCI name

CYCLOHEXYLIDENECYCLOHEXANONE

Description

2-Cyclohexylidenecyclohexanone

Record provenance

Inventory reference
39443
Imported identity
CYCLOHEXYLIDENECYCLOHEXANONE
Source update
02/03/2011
European Commission CosIng source notes

Key data

Restriction
Function
PERFUMING
Used for perfume and aromatic raw materials.

Ingredients with overlapping formulation functions

Additional official and scientific sources

11 external databases to check this identity in

How CYCLOHEXYLIDENECYCLOHEXANONE appears in the CosIng inventory

The CosIng inventory lists CYCLOHEXYLIDENECYCLOHEXANONE as a cosmetic ingredient and this page links it to 0 annex records. The inventory entry captures names and identifiers, while the annex records show where the substance is prohibited, restricted or positively listed in EU cosmetics law.

CYCLOHEXYLIDENECYCLOHEXANONE 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

CYCLOHEXYLIDENECYCLOHEXANONE is listed in the EU CosIng ingredient inventory with no direct annex restriction records linked at this time. Absence of an annex link does not guarantee unrestricted use — always verify against the current official CosIng database before formulating.

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

CAS 1011-12-7 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.

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

Source note for CYCLOHEXYLIDENECYCLOHEXANONE

This page reproduces the CosIng inventory entry for CYCLOHEXYLIDENECYCLOHEXANONE from public European Commission cosmetic ingredient materials and shows linked identifiers even when no direct annex match is currently attached.

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

Tools & next steps

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