Beta-terpineol is a member of the class of terpineols that is cyclohexanol carrying additional methyl and propenyl substituents at positions 1 and 4 respectively.
Definition
Beta-terpineol is a member of the class of terpineols that is cyclohexanol carrying additional methyl and propenyl substituents at positions 1 and 4 respectively. It has a role as a volatile oil component, a fragrance and a plant metabolite. It is a terpineol and a tertiary alcohol.
Source: PubChem
US FDA substance register · UNII XS86XKC2VT · registered name β-Terpineol · mixture
Cosmetic roles
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
- CAS No.chemical registry number
- 138-87-4
- EC No.EU chemical inventory number
- 205-342-6
- DTXSIDUS EPA chemical ID
- DTXSID7041209
- DTXCIDUS EPA compound ID
- DTXCID5021209
- IUPAC
- 1-Methyl-4-(prop-1-en-2-yl)cyclohexan-1-ol
- Molecular formula
- C10H18O
- Molecular weight
- 154.253 g/mol
Measured properties
- Appearance
- liquid
- Colour
- colourless
- Melting/freezing point
- -35.9~28.2 ℃
- Initial boiling point and range
- 214~217 ℃
- Flash point
- 88 ℃
- Vapour pressure
- 0.24 hPa (20℃)
- Water solubility
- 2.42 g/ℓ (20℃)
- Vapour density
- 0.93~0.935 g/㎤ (20℃)
- Relative density
- 5.33
- n-Octanol/water partition coefficient (Kow)
- 2.6
- Molecular weight
- 154.25
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: KOSHA safety data sheets (Korea)
What products actually use it for
What the 5 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.
- Fragrance3
- Flavouring and nutrient2
Source: US EPA CompTox dashboard
Irritation and sensitisation studies
2 skin studies and 0 eye studies are on record.
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
- Category 6.3A (Category 2)
Skin Irritation · Read Across - SkinIrr2
Skin Irritation · QSAR Predicted
Source: US EPA CompTox dashboard
Linked databases 14
- Australian Industrial Chemicals Inventory (AICIS)
- ChEBI
- ChEMBL
- EU CosIng ingredient list 2
- Korea toxic substances GHS register (NIER)
- KOSHA safety data sheets (Korea)
- NIST Chemistry WebBook
- PubChem
- UniChem cross-reference IDs
- US EPA CompTox dashboard 2
- US EPA DSSTox chemical database
- US FDA substance registration (GSRS)
- US FDA Unique Ingredient Identifier (UNII)
- Wikidata