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Merck
CN

I19551

异戊二烯

99%, contains <1000 ppm p-tert-butylcatechol as inhibitor

别名:

2-甲基-1,3-丁二烯

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关于此项目

线性分子式:
CH2=CHC(CH3)=CH2
化学文摘社编号:
分子量:
68.12
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
MDL number:
Beilstein/REAXYS Number:
969158
Assay:
99%
Form:
liquid
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vapor density

2.35 (vs air)

Quality Level

vapor pressure

8.82 psi ( 20 °C)

assay

99%

form

liquid

autoignition temp.

428 °F

contains

<1000 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

Application

异戊二烯在作为引发剂的丁基锂的存在下,可以与苯乙烯和甲基丙烯酸甲酯进行顺序的阴离子聚合,从而形成聚苯乙烯-嵌段-聚异戊二烯-嵌段-聚(甲基丙烯酸甲酯)(SIM)和聚异戊二烯-嵌段-聚苯乙烯-嵌段-聚(甲基) 甲基丙烯酸酯(ISM),两种不对称三嵌段三元共聚物。它也可用于聚苯乙烯-嵌段-聚异戊二烯(PS-b-PI)二嵌段共聚物的不对称合成。

Packaging



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pictograms

FlameHealth hazard

signalword

Danger

Hazard Classifications

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

存储类别

3 - Flammable liquids

wgk

WGK 3

flash_point_f

-65.2 °F - closed cup

flash_point_c

-54 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves

法规信息

危险化学品

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分析证书(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)
Four-Phase Morphologies in Blends of ABC and BAC Triblock Terpolymers
Haenelt TG, et al.
Macromolecular Chemistry and Physics, 219(1), 1700241-1700241 (2018)
H Koc et al.
Journal of breath research, 5(3), 037102-037102 (2011-06-10)
Isoprene is one of the most abundant endogenous volatile organic compounds (VOCs) contained in human breath and is considered to be a potentially useful biomarker for diagnostic and monitoring purposes. However, neither the exact biochemical origin of isoprene nor its



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货号GTIN
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