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CAS号:78-79-5
英文名称:Isoprene
英文同义词:nsc9237;ISOPRENE;lsoprene;FEMA 3900;Vita-crop;decyclo-C5;Isopentadiene;BUFFER PH7.20;IsopreneACETATE BUFFER
中文名称:异戊二烯
中文同义词:异戊二烯;双乙双钠;维他可乐波;异戊间二烯;3-丁二烯;异戊二烯,99%;异戊二烯(重蒸);异戊二烯(标准品);异戊二烯(1L起卖);2-甲基1,3-丁二烯
分子式:C5H8
分子量:68.12
熔点:323-329 °C(lit.)
沸点:34 °C(lit.)
密度:0.681 g/mL at 25 °C(lit.)
蒸气密度:2.35 (vs air)
蒸气压:8.82 psi ( 20 °C)
折射率:n
闪点:−65 °F
储存条件:Store at <= 20°C.
溶解度:0.7g/l
形态:solid
酸度系数(pKa):>14 (Schwarzenbach et al., 1993)
颜色:Clear colorless to very pale yellow
气味 (Odor):petroleum-like odor
嗅觉阈值(Odor Threshold):0.048ppm
爆炸极限值(explosive limit):1-9.7%(V)
水溶解性:0.07 g/100 mL
凝固点:-145.96℃
最大波长(λmax):231nm(neat)(lit.)
Merck:14,5201
BRN:969158
Henry's Law Constant:(x 10-2 atm?m3/mol): 3.45 at 18 °C (dynamic stripping cell-MS, Karl et al., 2003)
稳定性:Stability Extremely flammable. Readily forms explosive mixtures with air. Note low flash point, low boiling point, high vapour pressure. Unstable - prone to spontaneous polymerization. May contain a polymerization inhibitor. Incompatible with strong oxidizing agents.
CAS 数据库:78-79-5(CAS DataBase Reference)
(IARC)致癌物分类:2B (Vol. 60, 71) 1999
NIST化学物质信息:1,3-Butadiene, 2-methyl-(78-79-5)
EPA化学物质信息:Isoprene (78-79-5)