| Identification | More | [Name]
(1R)-(+)-ALPHA-PINENE | [CAS]
7785-70-8 | [Synonyms]
(1R,5R)-2-6,6-TRIMETHYL-BICYCLO[3.1.1]HEPT-2-ENE
(1R,5R)-2-PINENE
(1R)-(+)-ALPHA-PINENE
(+)-2-PINENE
(+)-ALPHA-PINENE
(+)-A-PINENE
D-ALPHA PINENE
FEMA 2902
PINENE, (1R)-(+)-ALPHA-
(1R)-(+)-a-pinene
(1R)-(+)-pin-2-ene
(1R)-(+)-α-pinene
(1R)-2,6,6-Trimethylbicyclo[3.1.1]hept-2-ene
(1R)-pin-2-ene
2,6,6-trimethyl-,(1R)-Bicyclo[3.1.1]hept-2-ene
6,6-trimethyl-(1theta)-bicyclo[3.1.1]hept-2-en
Bicyclo[3.1.1]hept-2-ene, 2,6,6-trimethyl-, (1R)-
(ir)-(+)-A-pinene
Pinene,95%
(1R)-(+)-ALPHA-PINENE, TECH., 85% | [EINECS(EC#)]
232-087-8 | [Molecular Formula]
C10H16 | [MDL Number]
MFCD00001346 | [Molecular Weight]
136.23 | [MOL File]
7785-70-8.mol |
| Chemical Properties | Back Directory | [Appearance]
Clear colourless liquid | [Melting point ]
−62 °C(lit.)
| [Boiling point ]
155-156 °C(lit.)
| [density ]
0.858 g/mL at 20 °C(lit.)
| [vapor pressure ]
5 hPa (25 °C) | [FEMA ]
2902 | ALPHA-PINENE | [refractive index ]
n20/D 1.465(lit.)
| [Fp ]
91 °F
| [storage temp. ]
2-8°C
| [form ]
Liquid | [color ]
Clear colorless | [Odor]
at 10.00 % in dipropylene glycol. harsh terpene aromatic minty | [biological source]
synthetic | [explosive limit]
0.8-6%(V) | [Odor Type]
herbal | [Optical Rotation]
[α]22/D +47.1°, neat | [Water Solubility ]
Soluble in Ether, Alcohols, Chloroform. Not miscible in water. | [Detection Methods]
GC,Rotation,Moisture | [JECFA Number]
1329 | [Merck ]
14,7445 | [BRN ]
3648264 | [Dielectric constant]
2.7（20℃） | [Major Application]
flavors and fragrances | [InChI]
1S/C10H16/c1-7-4-5-8-6-9(7)10(8,2)3/h4,8-9H,5-6H2,1-3H3/t8-,9-/m1/s1 | [InChIKey]
GRWFGVWFFZKLTI-UHFFFAOYSA-N | [SMILES]
CC1=CC[C@@H]2C[C@H]1C2(C)C | [LogP]
4.44-4.46 at 20-37℃ | [CAS DataBase Reference]
7785-70-8(CAS DataBase Reference) | [EPA Substance Registry System]
Bicyclo[3.1.1]hept-2-ene, 2,6,6-trimethyl-, (1R,5R)- (7785-70-8) |
| Safety Data | Back Directory | [Symbol(GHS) ]
   
GHS02,GHS07,GHS08,GHS09 | [Signal word ]
Danger | [Hazard statements ]
H226-H304-H315-H317-H400 | [Precautionary statements ]
P210-P273-P280-P301+P310+P331-P302+P352 | [Hazard Codes ]
Xi | [Risk Statements ]
R10:Flammable.
R36/37/38:Irritating to eyes, respiratory system and skin . | [Safety Statements ]
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
S16:Keep away from sources of ignition-No smoking . | [RIDADR ]
UN 2368 3/PG 3
| [WGK Germany ]
3
| [RTECS ]
DT7000000 | [F ]
10 | [Autoignition Temperature]
491 °F | [TSCA ]
Yes | [REACH Registrations]
Active | [HazardClass ]
3 | [PackingGroup ]
III | [HS Code ]
29021910 | [Storage Class]
3 - Flammable liquids | [Hazard Classifications]
Aquatic Acute 1
Aquatic Chronic 1
Asp. Tox. 1
Flam. Liq. 3
Skin Irrit. 2
Skin Sens. 1 |
| Raw materials And Preparation Products | Back Directory | [Raw materials]
Bicyclo[3.1.1]hept-2-ene, 6,6-dimethyl-4-methylene-, (1S,5S)--->Borane, dichloro[(1R,2S,3R,5R)-2,6,6-trimethylbicyclo[3.1.1]hept-3-yl]--->(S)-1-Phenyl-but-3-en-1-ol-->2-Cyclohexene-1-methanol, α-methyl-, (αR,1R)--->[1R-(1alpha,2beta,5alpha)]-2,6,6-trimethylbicyclo[3.1.1]heptan-3-one-->[(1R,2S,3R,5R)-2,6,6-Trimethylbicyclo[3.1.1]hept-3-yl]borane-->(-)-Diisopinocampheyl borane | [Preparation Products]
(1S,2S,3R,5S)-(+)-2,3-Pinanediol-->2,6-Dimethyl-2,4,6-octatriene-->p-Cymene-->(1R)-(+)-cis-Pinane-->cis-4-hydroxy-alpha,alpha,4-trimethylcyclohexanemethanol-->(-)-Isopinocampheylamine-->(1S,2S,5S)-(-)-2-Hydroxy-3-pinanone |
| Hazard Information | Back Directory | [Chemical Properties]
(1R)-(+)-ALPHA-PINENE is Clear colourless liquid
| [Uses]
(1R)-(+)-α-Pinene is used in hydroboration reactions and the reduction of ketones. | [Definition]
ChEBI: The (+)-enantiomer of alpha-pinene. | [General Description]
(+)-α-Pinene is a monoterpenoid compound mainly found in Pinus species. | [Flammability and Explosibility]
Flammable | [reaction suitability]
reagent type: reductant | [Purification Methods]
(1R)-(+)-ALPHA-PINENE is isomerised by heat, acids and certain solvents. It should be distilled under reduced pressure under nitrogen and stored in the dark. It has been purified via the nitrosochloride [Waterman et al. Recl Trav Chim, Pays-Bas 48 1191 1929]. For purification of optically active forms see Lynn [J Am Chem Soc 91 361 1919].
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