C10H16
136.23 g/mol
Flavor & FragranceDanger
(-)-alpha-Pinene
CAS7785-26-4EC232-077-3
Category
Flavor & Fragrance
Compound Class
Natural Product
Primary Use
Fragrance and flavor ingredient
(-)-alpha-Pinene is a naturally occurring bicyclic monoterpene commonly used as a fragrance and flavor ingredient. It is a major constituent of pine resin and essential oils, valued for its characteristic pine-like aroma.
Fragrance ingredient in perfumes and cosmetic productsFlavor ingredient in food and beveragesIntermediate in the production of camphor and synthetic pine oil
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
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Fragrance and flavor ingredient
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Fragrance and flavor ingredient
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Fragrance and flavor ingredient
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Fragrance and flavor ingredient
ReferenceSame Category
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Fragrance ingredient
ReferenceSame Category
Tetrahydrolinalool
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fragrance and flavoring agent
ReferenceSame Category
(+/-)-linalool
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Fragrance component and flavoring agent
ReferenceSame Category
Isobutyraldehyde
CAS78-84-2
Flavoring agent and chemical intermediate
Safety Reference
Danger
H226Flammable liquid and vapour
H302Harmful if swallowed
H304May be fatal if swallowed and enters airways
H315Causes skin irritation
H317May cause an allergic skin reaction
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
H373May cause damage to organs through prolonged or repeated exposure
Customs Tariff Classification
The international HS code for (-)-alpha-Pinene (CAS 7785-26-4) is 2902.19.
HS code (international, 6-digit)
2902.19
EU CN code (8-digit)
2902 19 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
(1S,5S)-2,6,6-trimethylbicyclo[3.1.1]hept-2-ene
InChIKey
GRWFGVWFFZKLTI-IUCAKERBSA-N
SMILES
CC1=CC[C@H]2C[C@@H]1C2(C)C
Synonyms (31)
- (-)-(1S)-.ALPHA.-PINENE
- (-)--inene
- (-)-2-Pinene
- (-)-Pin-2(3)-ene
- (-)-alpha-Pinene
- (-)-| cent-Pinene
- (-)-|A-pinene
- (1S)-(-)-|A-Pinene
- (1S,5S)-alpha-pinene
- (1S,5S)-pin-2-ene
- (S)-(-)-.ALPHA.-PINENE
- .ALPHA.-PINENE, L-
- 2-Pinene, (1S,5S)-(-)-
- DL-ALPHA-PINENE
- DL-Pin-2(3)-ene
- DL-| cent-Pinene
- FEMA NO. 2902, (-)-
- I+--Pinene, (-)-
- L-a-Pinene
- Pinene isomer
- alpha-Pinene (natural)
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