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Merck

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號碼:
MDL號碼:
分類程式碼代碼:
12352100
PubChem物質ID:

蒸汽密度

2.35 (vs air)

蒸汽壓力

8.82 psi ( 20 °C)

化驗

≥99%

形狀

liquid

自燃溫度

428 °F

包含

100-150 ppm p-tert-butylcatechol as inhibitor

expl. lim.

10 %

折射率

n20/D 1.422 (lit.)

bp

34 °C (lit.)

mp

−146 °C (lit.)

密度

0.681 g/mL at 25 °C (lit.)

儲存溫度

2-8°C

SMILES 字串

CC(=C)C=C

InChI

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

InChI 密鑰

RRHGJUQNOFWUDK-UHFFFAOYSA-N

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應用

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。

象形圖

FlameHealth hazard

訊號詞

Danger

危險分類

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

儲存類別代碼

3 - Flammable liquids

水污染物質分類(WGK)

WGK 3

閃點(°F)

-65.2 °F - closed cup

閃點(°C)

-54 °C - closed cup


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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.
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
Tomohisa Kuzuyama
Bioscience, biotechnology, and biochemistry, 66(8), 1619-1627 (2002-10-02)
Isoprenoids are synthesized by consecutive condensations of their five-carbon precursor, isopentenyl diphosphate, to its isomer, dimethylallyl diphosphate. Two pathways for these precursors are known. One is the mevalonate pathway, which operates in eucaryotes, archaebacteria, and cytosols of higher plants. The
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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