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Merck
CN

464953

异戊二烯

≥99%

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
EC Number:
201-143-3
UNSPSC Code:
12352100
PubChem Substance ID:
Beilstein/REAXYS Number:
969158
MDL number:
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vapor density

2.35 (vs air)

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

Application

异戊二烯可在仲丁基锂引发下与苯乙烯连续阴离子聚合合成不对称聚苯乙烯-嵌段聚异戊二烯 (PS-b-PI) 二嵌段共聚物。

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

法规信息

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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)
Thomas D Sharkey et al.
Annals of botany, 101(1), 5-18 (2007-10-09)
Some, but not all, plants emit isoprene. Emission of the related monoterpenes is more universal among plants, but the amount of isoprene emitted from plants dominates the biosphere-atmosphere hydrocarbon exchange. The emission of isoprene from plants affects atmospheric chemistry. Isoprene
Is it useful to ask why plants emit isoprene?
Thomas D Sharkey
Plant, cell & environment, 36(3), 517-520 (2012-11-14)



全球贸易项目编号

货号GTIN
464953-400L04061837457180
464953-90L04061838111302
464953-200L-DR04061837457173
464953-200L04061838220035
464953-PZ04061837457203