59250
异戊二烯
purum, ≥98.0% (GC)
别名:
2-甲基-1,3-丁二烯
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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:
vapor density
2.35 (vs air)
vapor pressure
8.82 psi ( 20 °C)
grade
purum
assay
≥98.0% (GC)
autoignition temp.
428 °F
contains
~0.01% 4-tert-butylcatechol as stabilizer
expl. lim.
10 %
refractive index
n20/D 1.422
bp
34 °C (lit.)
mp
−146 °C (lit.)
density
0.681 g/mL at 20 °C, 0.681 g/mL at 25 °C (lit.)
SMILES string
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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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
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