C10H16
136.23 g/mol
Flavor & FragranceDanger
ALPHA-PINENE
CAS80-56-8EC201-291-9
Category
Flavor & Fragrance
Compound Class
Natural Product
Primary Use
perfume base and flavor ingredient
Alpha-pinene is a clear colorless liquid with a characteristic turpentine odor. It is less dense than water and insoluble in water, with vapors heavier than air.
solventperfume baseflavor ingredient
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
ReferenceSame Category
(E)-2,3-dimethylacrylic acid
CAS80-59-1
Perfume and flavoring agent
ReferenceSame Category
Cyclotene
CAS80-71-7
Flavor and fragrance ingredient
ReferenceSame Category
Ionone
CAS8013-90-9
Fragrance ingredient
ReferenceSame Category
Orange Oil
CAS8028-48-6
flavor and fragrance ingredient
Referencestereoisomer of
(-)-alpha-pinene
CAS7785-26-4
Fragrance and flavor ingredient
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
H318Causes serious eye damage
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
H371May cause damage to organs
H372Causes damage to organs through prolonged or repeated exposure
H373May cause damage to organs through prolonged or repeated exposure
Regulatory Compliance1
- CN Catalogue of Hazardous ChemicalsCNRegulation
Customs Tariff Classification
The international HS code for ALPHA-PINENE (CAS 80-56-8) 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
2,6,6-trimethylbicyclo[3.1.1]hept-2-ene
InChIKey
GRWFGVWFFZKLTI-UHFFFAOYSA-N
SMILES
CC1=CCC2CC1C2(C)C
Synonyms (35)
- Camphor EP Impurity A
- (+-)-2-pinene
- (-)-?-Pinene
- (1R)-(+)-a-Pinene (~80% ee)
- (R)-.alpha.-Pinene
- 1R-.alpha.-Pinene
- ALPHA-PINENE
- Acintene A
- Acitene A
- Cyclic dexadiene
- PC-500(TERPENE)
- PINENE, ALPHA
- PINENE, ALPHA (D)
- PINENE, ALPHA (L)
- Pinene isomer
- Sylvapine A
- a-Pinene PF
- alfa-Pinene
- alpha [D] Pinene
- alpha [L] Pinene
- an alpha-pinene
- pin-2(3)-ene
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