NOAEL Data Cosmetic Ingredient

1-Methyl-4-(4-methylpentyl)cyclohex-3-ene-1-carbaldehyde

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, Vernaldehyde

CAS 66327-54-6

1-Methyl-4-(4-methylpentyl)cyclohex-3-ene-1-carbaldehyde (CAS 66327-54-6) is a chemical substance. Key regulatory status: 2 regulatory/inventory lists, cosmetic ingredient cross-reference; source data from EPA ToxValDB, EPA CPDat, AICIS.

View cosmetic safety profile for Vernaldehyde →

SOURCE noael studies public
NOAEL studies
4
SOURCE chemical inventory jurisdictions
Regulatory lists
2
SOURCE eu clp annex vi
GHS signal
Not classified

Chemical Identity

CAS, identifiers, formula, and alternate names for the matched substance record.

SOURCE DSSTox identifiers 11 fields
Name
1-Methyl-4-(4-methylpentyl)cyclohex-3-ene-1-carbaldehyde
CAS Number
66327-54-6
DTXSID
DTXSID9052345
Molecular Formula
C14H24O
InChI Key
MVTYXAVPKZRAMW-UHFFFAOYSA-N
Monoisotopic Mass
208.182715
Synonyms
3-Cyclohexene-1-carboxaldehyde, 1-methyl-4-(4-methylpentyl)-EINECS 266-314-71-Formyl-1-methyl-4-(4-methylpentyl)-3-cyclohexene1-Methyl-4-(4-methylpentyl)-3-cyclohexene-1-carboxaldehydeVernaldehyde

Functional Uses

Industrial and product-use categories associated with this substance.

SOURCE EPA CPDat 10 records
Fragrance

Regulatory Lists

Inventory, screening, and regulatory list matches from public chemical databases.

SOURCE EPA CPDat 2 records
ListKeywordSource
IFRA TransparencyIFRAIFRA
consumer_productP&GProctor & Gamble

NOAEL Studies

Toxicology endpoints rendered from public NOAEL study rows.

SOURCE NOAEL studies Showing 4 of 4 studies
ValueUnitEndpointRouteSpeciesSource
-%Incidence of positive responsesDermalHumanNTP_ICE_skin_sensitization
2700ug/cm2Induction dose per skin areaDermalHumanNTP_ICE_skin_sensitization
3unitlessRelative reliability scoreDermalHumanNTP_ICE_skin_sensitization
4unitlessRelative reliability scoreDermalHumanNTP_ICE_skin_sensitization

Showing 4 of 4 studies

Australian Status (AICIS)

Australian industrial chemicals inventory status and applicable conditions.

SOURCE AICIS inventory 1 records
Inventory Status
listed

Cosmetic Safety Profile

Same-CAS cosmetic ingredient record for cross-vertical context.

SOURCE CosIng / Ingredients DB
EU Status
permitted
Max
-
Category
Fragrance
View full cosmetic safety profile →

Frequently Asked Questions

What is the NOAEL for 1-Methyl-4-(4-methylpentyl)cyclohex-3-ene-1-carbaldehyde?

1-Methyl-4-(4-methylpentyl)cyclohex-3-ene-1-carbaldehyde has 4 NOAEL studies in the database. The lowest reported value is 0 % via Dermal in Human. Source: NTP_ICE_skin_sensitization.

What regulatory lists include 1-Methyl-4-(4-methylpentyl)cyclohex-3-ene-1-carbaldehyde?

1-Methyl-4-(4-methylpentyl)cyclohex-3-ene-1-carbaldehyde appears on 2 regulatory/inventory lists including IFRA Transparency, consumer_product. Source: EPA CPDat.

Is 1-Methyl-4-(4-methylpentyl)cyclohex-3-ene-1-carbaldehyde used in cosmetics?

Yes, 1-Methyl-4-(4-methylpentyl)cyclohex-3-ene-1-carbaldehyde is also indexed as a cosmetic ingredient under the name Vernaldehyde. View the full cosmetic safety profile on the ingredient page for detailed safety data, SCCS opinions, and regulatory status.

Where does the safety data for 1-Methyl-4-(4-methylpentyl)cyclohex-3-ene-1-carbaldehyde come from?

Safety data is sourced from EPA ToxValDB, EPA CPDat, AICIS (Australian Industrial Chemicals Introduction Scheme), EPA DSSTox, CosIng / Ingredients DB. All data traces to primary regulatory sources and is updated from official government databases.

Is 1-Methyl-4-(4-methylpentyl)cyclohex-3-ene-1-carbaldehyde used outside industrial chemicals?

1-Methyl-4-(4-methylpentyl)cyclohex-3-ene-1-carbaldehyde also appears in cosmetics databases.