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
2-METHYLPENT-2-ENOIC ACIDINCI2-Pentenoic acid, 2-methyl-Synonym
- CAS No.chemical registry number
- 3142-72-1
- EC No.EU chemical inventory number
- 221-552-0
- DTXSIDUS EPA chemical ID
- DTXSID0051998
- DTXCIDUS EPA compound ID
- DTXCID7030561
- IUPAC
- 2-Methylpent-2-enoic acid
- Molecular formula
- C6H10O2
- Molecular weight
- 114.144 g/mol
Measured properties
- Appearance
- Liquid · colourless to pale yellow liquid, fruity aroma
- Boiling point
- 123-125 °C (30 mm Hg)
- Solubility
- Slightly soluble in water, soluble in chloroform, carbon disulfide, ether · soluble (in ethanol)
- Density
- 0.976-0.982
- Water solubility
- 6330 ㎎/ℓ
- n-Octanol/water partition coefficient (Kow)
- 1.89
Values measured on the substance itself. The KOSHA data are a reference for writing and reviewing safety data sheets, not a specification for a commercial raw material.
Source: PubChem · KOSHA safety data sheets (Korea)
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.
- Fragrance9
- Flavouring and nutrient2
Source: US EPA CompTox dashboard
Irritation and sensitisation studies
1 skin studies and 0 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 1 studies
- SkinIrr2
Skin Irritation · QSAR Predicted
Source: US EPA CompTox dashboard