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402753

(−)-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:
24865115
eCl@ss:
39011007
UNSPSC Code:
12352212
EC Number:
242-060-2
MDL number:
MFCD00001345
Beilstein/REAXYS Number:
2038282
Assay:
≥99%
Form:
liquid
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vapor density

4.7 (vs air)

Quality Segment

vapor pressure

~2 mmHg ( 20 °C)

assay

≥99%

form

liquid

optical activity

[α]25/D −22°, neat

optical purity

ee: 97% (GLC)

refractive index

n20/D 1.478 (lit.)

bp

165-167 °C (lit.)

mp

−61 °C (lit.)

density

0.866 g/mL at 25 °C

SMILES string

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

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

InChI key

WTARULDDTDQWMU-IUCAKERBSA-N

Application

(-)-β-Pinene has been used as a standard for the analysis of terpenoid compounds in plant essential oils by GC analysis. It may be used as a building block to synthesize natural products such as grandisol, robustadial and (+)-nopinone. (-)-β-Pinene undergoes hydroformylation in the presence of platinum/tin catalysts to form trans-10-formylpinane.

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Signal Word

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 (personal protective equipment)

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

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