Is Homonopal safe in cosmetics?
Homonopal has a safety rating of "POOR" in our database. EU status: restricted. US status: permitted.
Poor
Cosmetic Ingredient
Homonopal
Also known as: 6,6-Dimethylbicyclo[3.1.1]hept-2-ene-2-propionaldehyde, 6,6-Dimethyl-2-norpinenepropionaldehyde, EINECS 251-717-2
INCI: HOMONOPAL
Homonopal (CAS 33885-51-7) is a cosmetic cosmetic ingredient functioning as Fragrance (parfum) — green, floral, aldehydic scent. NOAEL 120 mg/kg bw/day (cross-referenced against ToxValDB ECHA IUCLID); EU Regulation 1223/2009 status: restricted. 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 33885-51-7 →
Auto-generated CPSR Part A draft with source citations
Function
Fragrance (parfum) — green, floral, aldehydic scent
Safety Rating
POOR
Chemistry & Identifiers
IUPAC Name
3-(6,6-dimethyl-2-bicyclo[3.1.1]hept-2-enyl)propanal
InChIKey
DDFGFKGJBOILQZ-UHFFFAOYSA-N
Regulatory Status
EU EU Status
restricted
US US Status
permitted
US Notes
Permitted — no specific CFR restriction (no MoCRA or FDA prohibition at this time)
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Homonopal.
Calculate MoS for your specific formulation with the MoS Calculator.
Pre-Calculated Safety Assessment
Pre-calculated NOAEL → SED → MoS audit trail for Homonopal 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
1 - 10 tonnes
Substance Type
SUBSTANCE
SVHC Candidate
No
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Fragrance
Regulatory List Membership (1)
IFRA Fragrance Transparency List
Expert Verdict
Expert safety assessment and concern-level summary for Homonopal.
Regulatory Flags
fragrance-component
ifra_fragrance
Known Synonyms
6,6-Dimethylbicyclo[3.1.1]hept-2-ene-2-propionaldehyde
6,6-Dimethyl-2-norpinenepropionaldehyde
EINECS 251-717-2
Chemical Function
Fragrance
Regulatory Lists
IFRA Transparency
Australian Status
AICIS status: listed
Frequently Asked Questions
Is Homonopal allowed in the EU?
Homonopal EU regulatory status: restricted. This is based on EU Regulation 1223/2009 and its amendments.
What does Homonopal do in cosmetics?
Homonopal functions as: Fragrance (parfum) — green, floral, aldehydic scent. It is classified as a cosmetic ingredient in our database. CAS number: 33885-51-7.
Is Homonopal used outside cosmetics?
Homonopal also appears in industrial chemical safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.
Compliance Tools
Check Homonopal compliance across multiple jurisdictions:
Ingredient Decoder
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82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
Check compliance across multiple jurisdictions
MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
Compare limits across jurisdictions
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