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CAS號(hào):78-79-5
英文名稱:Isoprene
英文同義詞:nsc9237;ISOPRENE;lsoprene;FEMA 3900;Vita-crop;decyclo-C5;Isopentadiene;BUFFER PH7.20;IsopreneACETATE BUFFER
中文名稱:異戊二烯
中文同義詞:異戊二烯;雙乙雙鈉;維他可樂(lè)波;異戊間二烯;3-丁二烯;異戊二烯,99%;異戊二烯(重蒸);異戊二烯(標(biāo)準(zhǔn)品);異戊二烯(1L起賣);2-甲基1,3-丁二烯
分子式:C5H8
分子量:68.12
熔點(diǎn):323-329 °C(lit.)
沸點(diǎn):34 °C(lit.)
密度:0.681 g/mL at 25 °C(lit.)
蒸氣密度:2.35 (vs air)
蒸氣壓:8.82 psi ( 20 °C)
折射率:n
閃點(diǎn):−65 °F
儲(chǔ)存條件:Store at <= 20°C.
溶解度:0.7g/l
形態(tài):solid
酸度系數(shù)(pKa):>14 (Schwarzenbach et al., 1993)
顏色:Clear colorless to very pale yellow
氣味 (Odor):petroleum-like odor
嗅覺(jué)閾值(Odor Threshold):0.048ppm
爆炸極限值(explosive limit):1-9.7%(V)
水溶解性:0.07 g/100 mL
凝固點(diǎn):-145.96℃
最大波長(zhǎng)(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)
穩(wěn)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 數(shù)據(jù)庫(kù):78-79-5(CAS DataBase Reference)
(IARC)致癌物分類:2B (Vol. 60, 71) 1999
NIST化學(xué)物質(zhì)信息:1,3-Butadiene, 2-methyl-(78-79-5)
EPA化學(xué)物質(zhì)信息:Isoprene (78-79-5)