beta-Pinene

β-Pinene


IUPAC name 6,6-dimethyl- 2-methylenebicyclo [3.1.1] heptane
Other names 2(10)-pinene, nopinene, pseudopinene
Identifiers
CAS number	127-91-3^Y
PubChem	14896
ChemSpider	14198^Y
UNII	4MS8VHZ1HJ^Y
KEGG	C09882^Y
ChEBI	CHEBI:50025^Y
ChEMBL	CHEMBL501351^Y
Jmol-3D images	Image 1
SMILES C1(=C)C2CC(CC1)C2(C)C
InChI InChI=1S/C10H16/c1-7-4-5-8-6-9(7)10(8,2)3/h8-9H,1,4-6H2,2-3H3^Y Key: WTARULDDTDQWMU-UHFFFAOYSA-N^Y InChI=1/C10H16/c1-7-4-5-8-6-9(7)10(8,2)3/h8-9H,1,4-6H2,2-3H3 Key: WTARULDDTDQWMU-UHFFFAOYAW
Properties
Molecular formula	C₁₀H₁₆
Molar mass	136.23 g mol⁻¹
Appearance	Colourless liquid
Density	0.872 g/mL
Hazards
R-phrases	R10 R36 R37 R38
S-phrases	S26 S36
NFPA 704	3 1 0
Flash point	36 °C (97 °F)
Y (verify) (what is: Y/N?) Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

beta-Pinene (β-pinene) is a colorless liquid, soluble in alcohol, but not water. It has a woody-green pine-like smell. It occurs naturally in rosemary, parsley, dill, basil, yarrow, and rose. It is also a major constituent of hop aroma and flavor.^[1]

Plants that contain β-pinene

^ Glenn Tinseth, "Hop Aroma and Flavor", January/February 1993, Brewing Techniques.<http://realbeer.com/hops/aroma.html> Accessed July 21, 2010.
^ Li, Rong; Zi-Tao Jiang (2004). "Chemical composition of the essential oil of Cuminum cyminum L. from China". Flavour and Fragrance Journal 19 (4): 311–313. doi:10.1002/ffj.1302.
^ Wang, Lu et al.; Wang, Z; Zhang, H; Li, X; Zhang, H (2009). "Ultrasonic nebulization extraction coupled with headspace single drop microextraction and gas chromatography–mass spectrometry for analysis of the essential oil in Cuminum cyminum L.". Analytica Chimica Acta 647 (1): 72–77. doi:10.1016/j.aca.2009.05.030. PMID 19576388.