Is Vernaldehyde safe in cosmetics?
Vernaldehyde has a safety rating of "MODERATE" in our database. EU status: permitted. US status: permitted.
Moderate
Cosmetic Ingredient
Vernaldehyde
Also known as: 3-Cyclohexene-1-carboxaldehyde, 1-methyl-4-(4-methylpentyl)-, EINECS 266-314-7, 1-Formyl-1-methyl-4-(4-methylpentyl)-3-cyclohexene, 1-Methyl-4-(4-methylpentyl)-3-cyclohexene-1-carboxaldehyde
INCI: VERNALDEHYDE
Vernaldehyde (CAS 66327-54-6) is a cosmetic cosmetic ingredient functioning as Fragrance (perfuming) — "mountain air" character, enhances citrus/woody notes. EU Regulation 1223/2009 status: permitted. 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 66327-54-6 →
Auto-generated CPSR Part A draft with source citations
Function
Fragrance (perfuming) — "mountain air" character, enhances citrus/woody notes
Safety Rating
MODERATE
Chemistry & Identifiers
IUPAC Name
1-methyl-4-(4-methylpentyl)cyclohex-3-ene-1-carbaldehyde
InChIKey
MVTYXAVPKZRAMW-UHFFFAOYSA-N
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Permitted for cosmetic fragrance use
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Vernaldehyde.
Calculate MoS for your specific formulation with the MoS Calculator.
HRIPT Human Patch Test Studies
2 human repeat insult patch tests aggregated from dermatological literature.
| Test Type | N | Sensitized | Dose µg/cm² | NESIL µg/cm² | Potency |
|---|---|---|---|---|---|
| HMT | - | 0 | 2700 | - | - |
| HRIPT | - | 0 | - | - | - |
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Fragrance
Regulatory List Membership (2)
IFRA Fragrance Transparency List
Consumer Product Chemical
Expert Verdict
Expert safety assessment and concern-level summary for Vernaldehyde.
Regulatory Flags
fragrance-component
ifra_fragrance
Known Synonyms
3-Cyclohexene-1-carboxaldehyde, 1-methyl-4-(4-methylpentyl)-
EINECS 266-314-7
1-Formyl-1-methyl-4-(4-methylpentyl)-3-cyclohexene
1-Methyl-4-(4-methylpentyl)-3-cyclohexene-1-carboxaldehyde
Chemical Function
Fragrance
Regulatory Lists
IFRA Transparency
consumer_product
Australian Status
AICIS status: listed
Frequently Asked Questions
Is Vernaldehyde allowed in the EU?
Vernaldehyde EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Vernaldehyde do in cosmetics?
Vernaldehyde functions as: Fragrance (perfuming) — "mountain air" character, enhances citrus/woody notes. It is classified as a cosmetic ingredient in our database. CAS number: 66327-54-6.
Is Vernaldehyde used outside cosmetics?
Vernaldehyde 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 Vernaldehyde 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
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