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148679

Sigma-Aldrich

5-Vinyl-2-norbornene, mixture of endo and exo

95%, contains 80-150 ppm BHT as inhibitor

Synonym(s):

2-Vinyl-5-norbornene, 2-Vinylbicyclo[2.2.1]hept-5-ene, 2-Vinylnorbornene, 5-Ethenylbicyclo[2.2.1]hept-2-ene, 5-Vinylbicyclo[2.2.1]hept-2-ene, 5-Vinylnorbornene, 6-Vinylbicyclo[2.2.1]hept-2-ene, Vinylnorbornene

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About This Item

Empirical Formula (Hill Notation):
C9H12
CAS Number:
3048-64-4
Molecular Weight:
120.19
EC Number:
221-259-8
MDL number:
MFCD00080691
UNSPSC Code:
12352100
PubChem Substance ID:
24848915
NACRES:
NA.22

vapor density

>1 (vs air)

vapor pressure

6 mmHg ( 20 °C)

Assay

95%

form

liquid

contains

80-150 ppm BHT as inhibitor

refractive index

n20/D 1.481 (lit.)

bp

141 °C (lit.)

mp

−80 °C (lit.)

density

0.841 g/mL at 25 °C (lit.)

storage temp.

2-8°C

SMILES string

C=CC1C[C@H]2C[C@@H]1C=C2

InChI

1S/C9H12/c1-2-8-5-7-3-4-9(8)6-7/h2-4,7-9H,1,5-6H2/t7-,8?,9-/m0/s1

InChI key

INYHZQLKOKTDAI-SMOXQLQSSA-N

Application

5-Vinyl-2-norbornene was used in the preparation of 5-ethylidene-2-norbornene (ENB).

Pictograms

FlameExclamation mark
GHS02,GHS07

Signal Word

Warning

Hazard Statements

H226,H315,H319

Hazard Classifications

Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2

Storage Class Code

3 - Flammable liquids

WGK

WGK 2

Flash Point(F)

82.4 °F - closed cup

Flash Point(C)

28 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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Hoon Sik Kim et al.
The Journal of organic chemistry, 71(3), 911-914 (2006-01-28)
The isomerization reaction of 5-vinyl-2-norbornene (VNB) to 5-ethylidene-2-norbornene (ENB) has been performed using a catalytic system consisting of an alkali metal hydride and an amine. Among various amines tested, only aliphatic 1,2-diamines exhibited the activity for the isomerization. The isomerization

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