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Merck
CN

112089

(−)-β-Pinene

99%

Synonym(s):

(-)-beta-Pinene, (1S)-(−)-β-Pinene, (1S,5S)-2(10)-Pinene, (1S,5S)-6,6-Dimethyl-2-methylenebicyclo[3.1.1]heptane

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About This Item

Empirical Formula (Hill Notation):
C10H16
CAS Number:
18172-67-3
Molecular Weight:
136.23
NACRES:
NA.22
PubChem Substance ID:
24847064
eCl@ss:
39011007
UNSPSC Code:
12352212
EC Number:
242-060-2
MDL number:
MFCD00001345
Beilstein/REAXYS Number:
2038282

Key Documents

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Product Name

(−)-β-Pinene, 99%

InChI key

WTARULDDTDQWMU-IUCAKERBSA-N

InChI

1S/C10H16/c1-7-4-5-8-6-9(7)10(8,2)3/h8-9H,1,4-6H2,2-3H3/t8-,9-/m0/s1

SMILES string

[H][C@]12CCC(=C)[C@]([H])(C1)C2(C)C

vapor density

4.7 (vs air)

vapor pressure

~2 mmHg ( 20 °C)

assay

99%

optical activity

[α]20/D −21°, neat

refractive index

n20/D 1.478 (lit.)

bp

165-167 °C (lit.)

mp

−61 °C (lit.)

density

0.859 g/mL at 25 °C

Quality Level

100

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Application

(-)-β-Pinene has been used as test compound to assess its fumigant toxicity against all life stages of confused flour beetle and Mediterranean flour moth, via single-dose test. It has been used as a standard during the determination of constituents of the essential oil of Achillea ligustica by gas chromatography-mass spectrometry. (-)-β-Pinene can be used as a starting material to synthesize (1R,2S,3R,5R)-3-amino-6,6-dimethyl-2-hydroxybicyclo[3.1.1]heptane and (+)-nopinone.

General description

(-)-β-Pinene belongs to the terpenes family and is used as a starting material or intermediate in organic synthesis.

signalword

Danger

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 1 - Asp. Tox. 1 - Flam. Liq. 3 - Skin Irrit. 2 - Skin Sens. 1

Storage Class

3 - Flammable liquids

wgk

WGK 3

flash_point_f

102.2 °F - closed cup

flash_point_c

39 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

Regulatory Information

危险化学品
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Certificates of Analysis (COA)

Lot/Batch Number
MKCZ3084
MKCW0008
MKCH0872
MKBX4513V
MKBP3888V

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Chiral terpene auxiliaries. Part 1: Highly enantioselective reduction of ketones with borane catalyzed by an oxazaborolidine derived from (-)-?-pinene
Krzeminski MP and Wojtczak A
Tetrahedron Letters, 46(48), 8299-8302 (2005)
Synthesis of (+)-Methyl Phaseate and Its Isomer from (-)-?-Pinene
Takahashi S, et al.
Agricultural and Biological Chemistry, 53(10), 2711-2718 (1989)
Fumigant toxicity of monoterpenoid compounds against the confused flour beetle, Tribolium confusum Jacquelin du Val.(Coleoptera: Tenebrionidae).
Saglam O and Ozder N.
Turkiye Entomoloji Dergisi (Turkish Journal of Entomology), 37(4) (2013)
Dual stereoselectivity in the dialkylzinc reaction using (-)-?-pinene derived amino alcohol chiral auxiliaries
Binder CM, et al
The Journal of Organic Chemistry, 74(6), 2337-2343 (2009)
Platinum/tin catalyzed hydroformylation of naturally occurring monoterpenes
Gusevskaya EV, et al
J. Mol. Catal. A: Chem., 152(1), 15-24 (2000)
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