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464953

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Isoprene

≥99%

Synonym(s):

2-Methyl-1,3-butadiene

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About This Item

Linear Formula:
CH2=CHC(CH3)=CH2
CAS Number:
78-79-5
Molecular Weight:
68.12
Beilstein:
969158
EC Number:
201-143-3
MDL number:
MFCD00008600
UNSPSC Code:
12352100
PubChem Substance ID:
24870237

vapor density

2.35 (vs air)

Quality Level

100

vapor pressure

8.82 psi ( 20 °C)

Assay

≥99%

form

liquid

autoignition temp.

428 °F

contains

100-150 ppm p-tert-butylcatechol as inhibitor

expl. lim.

10 %

refractive index

n20/D 1.422 (lit.)

bp

34 °C (lit.)

mp

−146 °C (lit.)

density

0.681 g/mL at 25 °C (lit.)

storage temp.

2-8°C

SMILES string

CC(=C)C=C

InChI

1S/C5H8/c1-4-5(2)3/h4H,1-2H2,3H3

InChI key

RRHGJUQNOFWUDK-UHFFFAOYSA-N

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Application

Isoprene may be used in the synthesis of asymmetric polystyrene-block-polyisoprene (PS-b-PI) diblock copolymers via sequential anionic polymerization with styrene in the presence of sec-butyllithium as initiator.

Packaging

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Pictograms

FlameHealth hazard
GHS02,GHS08

Signal Word

Danger

Hazard Statements

H224,H341,H350,H412

Hazard Classifications

Aquatic Chronic 3 - Carc. 1B - Flam. Liq. 1 - Muta. 2

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

-65.2 °F - closed cup

Flash Point(C)

-54 °C - closed cup

Certificates of Analysis (COA)

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Morphology and elasticity of polystyrene-block-polyisoprene diblock copolymers in the melt.
Haenelt TG, et al.
Korea-Australia Rheology Journal, 26(3), 263-275 (2014)
Jianming Yang et al.
PloS one, 7(4), e33509-e33509 (2012-05-05)
The depleting petroleum reserve, increasingly severe energy crisis, and global climate change are reigniting enthusiasm for seeking sustainable technologies to replace petroleum as a source of fuel and chemicals. In this paper, the efficiency of the MVA pathway on isoprene
J King et al.
Biochemical and biophysical research communications, 423(3), 526-530 (2012-06-12)
Breath isoprene accounts for most of the hydrocarbon removal via exhalation and is thought to serve as a non-invasive indicator for assaying several metabolic effects in the human body. The primary objective of this paper is to introduce a novel
Federico Brilli et al.
Journal of experimental botany, 64(2), 519-528 (2013-01-08)
Water availability is a major limiting factor on plant growth and productivity. Considering that Eucalyptus spp. are among the few plant species able to produce both isoprene and monoterpenes, experiments were designed to investigate the response of isoprene emission and
Mohammad Safi Shalamzari et al.
Rapid communications in mass spectrometry : RCM, 27(7), 784-794 (2013-03-16)
A considerable fraction of atmospheric particulate fine matter consists of organosulfates, with some of the most polar ones originating from the oxidation of isoprene. Their structural characterization provides insights into the nature of gas-phase precursors as well as into formation
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