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Merck
CN

464953

SAFC

异戊二烯

≥99%

别名:

2-甲基-1,3-丁二烯

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About This Item

线性分子式:
CH2=CHC(CH3)=CH2
CAS号:
分子量:
68.12
Beilstein:
969158
EC 号:
MDL编号:
UNSPSC代码:
12352100
PubChem化学物质编号:

蒸汽密度

2.35 (vs air)

质量水平

蒸汽压

8.82 psi ( 20 °C)

方案

≥99%

表单

liquid

自燃温度

428 °F

包含

100-150 ppm p-tert-butylcatechol as inhibitor

expl. lim.

10 %

折射率

n20/D 1.422 (lit.)

沸点

34 °C (lit.)

mp

−146 °C (lit.)

密度

0.681 g/mL at 25 °C (lit.)

储存温度

2-8°C

SMILES字符串

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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应用

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。

象形图

FlameHealth hazard

警示用语:

Danger

危险分类

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

储存分类代码

3 - Flammable liquids

WGK

WGK 3

闪点(°F)

-65.2 °F - closed cup

闪点(°C)

-54 °C - closed cup

法规信息

新产品

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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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)
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
Russell K Monson et al.
Plant, cell & environment, 36(3), 503-516 (2012-09-25)
Isoprene (2-methyl-1,3-butadiene) is emitted from many plants and it appears to have an adaptive role in protecting leaves from abiotic stress. However, only some species emit isoprene. Isoprene emission has appeared and been lost many times independently during the evolution
Russell K Monson et al.
The New phytologist, 195(3), 541-559 (2012-06-29)
The leaves of many plants emit isoprene (2-methyl-1,3-butadiene) to the atmosphere, a process which has important ramifications for global and regional atmospheric chemistry. Quantitation of leaf isoprene emission and its response to environmental variation are described by empirically derived equations
Michaela Stieglmeier et al.
International journal of systematic and evolutionary microbiology, 64(Pt 8), 2738-2752 (2014-06-08)
A mesophilic, neutrophilic and aerobic, ammonia-oxidizing archaeon, strain EN76(T), was isolated from garden soil in Vienna (Austria). Cells were irregular cocci with a diameter of 0.6-0.9 µm and possessed archaella and archaeal pili as cell appendages. Electron microscopy also indicated

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