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
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 %
Quality Level
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
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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.
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
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
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
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