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
产品名称
异戊二烯, 99%, contains <1000 ppm p-tert-butylcatechol as inhibitor
form
liquid
InChI key
RRHGJUQNOFWUDK-UHFFFAOYSA-N
SMILES string
CC(=C)C=C
InChI
1S/C5H8/c1-4-5(2)3/h4H,1-2H2,3H3
vapor density
2.35 (vs air)
vapor pressure
8.82 psi ( 20 °C)
assay
99%
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
Quality Level
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Application
异戊二烯在作为引发剂的仲丁基锂的存在下，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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signalword
Danger
hcodes
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
此项目有
Four-Phase Morphologies in Blends of ABC and BAC Triblock Terpolymers
Haenelt TG, et al.
Macromolecular Chemistry and Physics, 219(1), 1700241-1700241 (2018)
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)
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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