(-)-beta-pinene is the (1S,5S)-enantiomer of beta-pinene.
Definition
US FDA substance register · UNII AFN153A7SU · registered name β-Pinene, (-)- · single chemical substance
(-)-beta-pinene is the (1S,5S)-enantiomer of beta-pinene. It is an enantiomer of a (+)-beta-pinene.
Source: PubChem
Cosmetic roles
Safety & regulatory references
Not classified under Korea’s toxic-substance GHS list · existing chemical substance
Restriction III/130
Source: EU CosIng ingredient list
More data — names, identifiers, properties, test records, literature
Names & identifiers
- CAS No.chemical registry number
- 18172-67-3
- EC No.EU chemical inventory number
- 242-060-2
- DTXSIDUS EPA chemical ID
- DTXSID1041184
- DTXCIDUS EPA compound ID
- DTXCID9021184
- IUPAC
- (1S,5S)-6,6-Dimethyl-2-methylidenebicyclo[3.1.1]heptane
- Molecular formula
- C10H16
- Molecular weight
- 136.238 g/mol
Measured properties
- Appearance
- Liquid · liquid
- Boiling point
- 165.00 to 167.00 °C. @ 760.00 mm Hg
- Melting point
- -61 °C
- Colour
- colourless
- Melting/freezing point
- -61 ℃
- Initial boiling point and range
- 162~167 ℃
- Flash point
- 33 ℃
- Upper/lower flammability or explosive limits
- 6.67 / 0.80 %
- Vapour pressure
- 2 ㎜Hg (at 20C)
- Water solubility
- 9.22 ㎎/ℓ (at 25C(est.))
- Vapour density
- 4.7 ()
- Relative density
- 0.8694 ()
- n-Octanol/water partition coefficient (Kow)
- 4.35 ((est.))
- Molecular weight
- 136.24
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 9 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.
- Fragrance7
- Deodorizer1
- Intermediate1
Source: US EPA CompTox dashboard
Irritation and sensitisation studies
2 skin studies and 1 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 3 studies
- Category 6.5B (Category 1)
Skin Sensitization · Read Across - Category 6.3A (Category 2)
Skin Irritation · Read Across - Category 6.4A (Category 2A)
Eye Irritation · Read Across
Source: US EPA CompTox dashboard