(+)-alpha-Pinene

• Catalog No.: L04941
• CAS Number: 7785-70-8
• M. F.: C10H16
• M. W.: 136.23404
• Purity: 98%

SYNONYMS

• Title: (+)-α-蒎烯
• IUPAC name: (1R,5R)-2,6,6-trimethylbicyclo[3.1.1]hept-2-ene
• IUPAC Traditional name: (+)-α-pinene

DATABASE IDS

• Beilstein Number: 3648264
• MDL Number: MFCD00001346
• Merck Index: 147445
• EC Number: 232-087-8
• CAS Number: 7785-70-8

PROPERTIES

• Purity: 98%
• Boiling Point: 154-156°C
• Density: 0.858
• Flash Point: 32°C(89°F)
• Melting Point: -62°C
• Refractive Index: 1.4660
• GHS Hazard statements: H226-H315-H319-H317-H411-H401
• European Hazard Symbols: Irritant (Xi)
• European Hazard Symbols: Nature polluting (N)
• GHS Precautionary statements: P210-P241-P303+P361+P353-P305+P351+P338-P403+P235-P501A
• Risk Statements: 10-36/38-43-51/53
• RTECS: DT7000000
• Safety Statements: 24-26-37-57
• TSCA Listed: 是
• Hazard Class: 3
• UN Number: UN2368
• Packing Group: III

REFERENCES

• Forms a chiral adduct with diborane, useful for asymmetric hydroborations with high optical yields: J. Am. Chem. Soc., 99, 5514 (1977). Recrystallization of the borane adduct can be used to obtain a pure single diastereomer: J. Org. Chem., 49, 945 (1984). For reviews of the synthesis of pure enantiomers via chiral organoboranes, see: Acc. Chem. Res., 21, 287 (1988); and of asymmetric reduction with chiral organoboranes based on ɑ-pinene: Acc. Chem. Res., 25, 16 (1992).