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Merck
CN

C112607

Cyclopentene

99%

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About This Item

Empirical Formula (Hill Notation):
C5H8
CAS Number:
Molecular Weight:
68.12
EC Number:
205-532-9
UNSPSC Code:
12352103
MDL number:
Beilstein/REAXYS Number:
635707
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InChI

1S/C5H8/c1-2-4-5-3-1/h1-2H,3-5H2

InChI key

LPIQUOYDBNQMRZ-UHFFFAOYSA-N

SMILES string

C1CC=CC1

vapor pressure

20.89 psi ( 55 °C), 6.11 psi ( 20 °C)

assay

99%

autoignition temp.

743 °F

contains

0.1% hydroquinone as inhibitor

bp

44-46 °C (lit.)

mp

−135 °C (lit.)

density

0.771 g/mL at 25 °C (lit.)

signalword

Danger

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Oral - Asp. Tox. 1 - Flam. Liq. 2 - Skin Irrit. 2

Storage Class

3 - Flammable liquids

wgk

WGK 3

flash_point_f

-29.9 °F - closed cup

flash_point_c

-34.4 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves

Regulatory Information

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Astrid-Caroline Knall et al.
Tetrahedron letters, 55(34), 4763-4766 (2014-08-26)
Inverse electron demand Diels-Alder additions (iEDDA) between 1,2,4,5-tetrazines and olefins have recently found widespread application as a novel 'click chemistry' scheme and as a mild technique for the modification of materials. Norbornenes are, due to their straightforward synthetic availability, especially
Nolan K Maier et al.
Journal of immunology (Baltimore, Md. : 1950), 194(6), 2776-2785 (2015-02-15)
Inflammasomes are cytosolic protein complexes that respond to diverse danger signals by activating caspase-1. The sensor components of the inflammasome, often proteins of the nucleotide-binding oligomerization domain-like receptor (NLR) family, detect stress, danger stimuli, and pathogen-associated molecular patterns. We report

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