Cosmetic roles
Gives the product a scentPERFUMING
Safety & regulatory references
Not classified under Korea’s toxic-substance GHS list · existing chemical substance
More data — names, identifiers, properties, test records, literature
Names & identifiers
METHYLOCTYL ACETALDEHYDEINCIDecanal, 2-methyl-Synonym
- CAS No.chemical registry number
- 19009-56-4
- EC No.EU chemical inventory number
- 242-745-6
- DTXSIDUS EPA chemical ID
- DTXSID5021623
- DTXCIDUS EPA compound ID
- DTXCID101623
- IUPAC
- 2-Methyldecanal
- Molecular formula
- C11H22O
- Molecular weight
- 170.296 g/mol
Measured properties
- Appearance
- Liquid, CBI
Values measured on the substance itself, not a specification for a commercial raw material.
Source: PubChem
What products actually use it for
What the 11 products reported to the US EPA with this ingredient use it for. Products outside cosmetics are included, so the top few rows are its main uses.
- Fragrance10
- Flavouring and nutrient1
Source: US EPA CompTox dashboard
Irritation and sensitisation studies
1 skin studies and 1 eye studies are on record.
Classed as moderate1
The study conclusions largely agree (100%). These tests are on the raw material itself; irritation at the amount in a finished product is a different question.
See all 2 studies
- Low to Moderate Frequency of Sensitization
skin sensitisation: in vivo (LLNA) · Screening · according to OECD Guideline 429 (Skin Sensitisation: Local Lymph Node Assay) according to EPA OPPTS 870.2600 (Skin Sensitisation) - Studies Indicate No Significant Irritation
eye irritation: in vitro / ex vivo · Screening · OECD Guideline 437 (Bovine Corneal Opacity and Permeability Test Method for Identifying Ocular Corrosives and Severe Irritants) [before 26 July 2013] according to
Source: US EPA CompTox dashboard