CYCLOHEPTASILOXANE
Tetradecamethylcycloheptasiloxane
CYCLOHEPTASILOXANE 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

Tetradecamethylcycloheptasiloxane
Tetradecamethylcycloheptasiloxane is a macrocyclic organosiloxane composed from seven units of dimethylsiloxane. It has a role as a marine xenobiotic metabolite. It is an organosiloxane and a macrocycle. — ChEBI
- IUPAC name
- 2,2,4,4,6,6,8,8,10,10,12,12,14,14-tetradecamethyl-1,3,5,7,9,11,13-heptaoxa-2,4,6,8,10,12,14-heptasilacyclotetradecane
- Molecular formula
- C14H42O7Si7
- Molecular weight
- 519.07 g/mol
- Exact mass
- 518.13153942 Da
- Topological polar surface area
- 64.6 Ų
- Hydrogen-bond donors
- 0
- Hydrogen-bond acceptors
- 7
- Covalent units
- 1
- Defined stereocentres
- 0
Also known as
16 more reported names
External database identifiers
- ChEBI:CHEBI:87988
- EPA DTXSID:DTXSID8059348
- PubMed:21072629
- PubMed:20704203
- PubMed:18443842
Evidence from additional scientific databases
EMBL-EBI ChEBI
tetradecamethylcycloheptasiloxane
A macrocyclic organosiloxane composed from seven units of dimethylsiloxane.
- Formula
- C14H42O7Si7
- Average mass
- 519.085 g/mol
- Monoisotopic mass
- 518.13154 Da
- Formal charge
- 0
- organosiloxane — is a (CHEBI:48150)
- macrocycle — is a (CHEBI:51026)
- marine xenobiotic metabolite — has role (CHEBI:83399)
- marine xenobiotic metabolite — has role (CHEBI:83399)
- organosiloxane — is a (CHEBI:48150)
- macrocycle — is a (CHEBI:51026)
Additional curated names
Cross-references from this source
Mapped by: Exact CAS cross-reference in the ChEBI compound record. Source updated: 2016-04-07. Retrieved: 2026-08-31. Open source record
NIH PubChem PUG-View
Attributed physical-property, hazard, environmental and use annotations.
- Note: This chemical does not meet GHS hazard criteria for 98% (50 of 51) of all reports. Source: European Chemicals Agency (ECHA)
- GHS Hazard Statements: Not Classified; Reported as not meeting GHS hazard criteria by 50 of 51 companies (only 2% companies provided GHS information). 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 51 reports by companies from 2 notifications to the ECHA C&L Inventory.; Reported as not meeting GHS hazard criteria per 50 of 51 reports by companies.; There is 1 notification provided by 1 of 51 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
| Source | Result | Checked |
|---|---|---|
| EMBL-EBI ChEBI | Exact match | 2026-08-31 |
| NIH PubChem PUG-View | Exact match | 2026-08-31 |
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 CYCLOHEPTASILOXANE
INCI name
CYCLOHEPTASILOXANE
Description
Tetradecamethylcycloheptasiloxane
Record provenance
- Inventory reference
- 55546
- Imported identity
- CYCLOHEPTASILOXANE
- Source update
- 15/10/2010
Annex records for CYCLOHEPTASILOXANE
Key data
- ANTICAKING
- Preventing agglomeration of particulate solids into lumps or hard masses (cohesive cake), thus allowing free flow of particles.
- SKIN CONDITIONING
- Maintaining the skin in good condition.
- SKIN CONDITIONING - EMOLLIENT
- Acting as lubricants on the skin surface providing the skin with a soft and smooth appearance.
- SOLVENT
- Dissolving other components of cosmetics. Solvents are usually liquids (aqueous and nonaqueous).
Official EU ingredient-name evidence
The ingredient name exactly matches the official 2025 EU glossary of common ingredient names.
Related inventory evidence
Ingredients with overlapping formulation functions
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
How CYCLOHEPTASILOXANE appears in the CosIng inventory
The CosIng inventory lists CYCLOHEPTASILOXANE 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.
CYCLOHEPTASILOXANE is also tagged with 4 cosmetic functions 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
Source note for CYCLOHEPTASILOXANE
This page reproduces the CosIng inventory entry for CYCLOHEPTASILOXANE 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 CYCLOHEPTASILOXANE 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
Check your formula
Scan a full INCI list to detect CYCLOHEPTASILOXANE and any linked EU annex restrictions or allergen flags.
INCI CheckerSearch similar ingredients
Find other inventory ingredients and annex entries related to CYCLOHEPTASILOXANE, its identifiers or nearby name variants.
Search