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Key Documents

268070

Sigma-Aldrich

(+)-α-Pinene

≥99%

Synonym(s):

(1R,5R)-2,6,6-Trimethylbicyclo[3.1.1]hept-2-ene, (1R,5R)-2-Pinene

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About This Item

Empirical Formula (Hill Notation):
C10H16
CAS Number:
Molecular Weight:
136.23
Beilstein:
2038653
EC Number:
MDL number:
UNSPSC Code:
12352002
PubChem Substance ID:
NACRES:
NA.22

Assay

≥99%

form

liquid

optical activity

[α]21/D +50.7°, neat

optical purity

ee: 97% (GLC)

autoignition temp.

491 °F

refractive index

n20/D 1.465 (lit.)

bp

155-156 °C (lit.)

mp

−62 °C (lit.)

density

0.858 g/mL at 20 °C (lit.)

SMILES string

CC1=CC[C@@H]2C[C@H]1C2(C)C

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

InChI key

GRWFGVWFFZKLTI-RKDXNWHRSA-N

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General description

(+)-α-Pinene is a monoterpenoid compound mainly found in Pinus species.

Application

(+)-α-Pinene may be used as precursors to prepare primary, secondary and tertiary γ-amino alcohols and 1,3-diamines, which can be used as chiral catalysts for the addition of diethylzinc to aromatic aldehydes, resulting in chiral 1-aryl-1-propanols with high enantioselectivity.
Employed in the preparation of chiral hydroboration reagents.

Signal Word

Danger

Hazard Statements

Hazard Classifications

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

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

91.4 °F - closed cup

Flash Point(C)

33 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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