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CAS號(hào)：542-92-7
英文名稱：1,3-Cyclopentadiene
英文同義詞：pentole;r-pentine;JACS-542-92-7;pyropentylene;Cyclopentadiene;2,4-Cyclopentadiene;1，3-Cyclopentadiene;542-92-7 Cyclopentadiene;1,3-Cyclopentadiene fandachem;1,3-Cyclopentadiene 542-92-7 Cyclopentadiene
中文名稱：環(huán)戊二烯
中文同義詞：茂;環(huán)戊二烯;環(huán)戊間二烯;單體環(huán)戊二烯;1,3-環(huán)戊二烯;1，3-環(huán)戊二烯;環(huán)戊二烯 HWEX;環(huán)戊塔-1,3-二烯;環(huán)戊二烯-1,3-二烯;1,3-環(huán)戊二烯 (二聚體)
分子式：C5H6
分子量：66.1
熔點(diǎn)：-85°; mp 32.5°
沸點(diǎn)：bp760 41.5-42.0°
密度：d40 0.8235; d410 0.8131; d420 0.8021; d425 0.7966; d430 0.7914
蒸氣壓：381 at 20.6 °C, 735 at 40.6 °C, 1,380 at 60.9 °C (Stoeck and Roscher, 1977)
折射率：nD16 1.44632
溶解度：Miscible with acetone, benzene, carbon tetrachloride, and ether. Soluble in acetic acid, aniline, and carbon disulfide (Windholz et al., 1983).
酸度系數(shù)(pKa)：16(at 25℃)
形態(tài)：Colorless liquid
水溶解性：10.3 mM at 25 °C (shake flask-UV spectrophotometry, Streitwieser and Nebenzahl, 1976)
Henry's Law Constant：5.1 at 25 °C (approximate - calculated from water solubility and vapor pressure)
暴露限值：TLV-TWA 75 ppm (～202 mg/m3) (ACGIH, NIOSH, and OSHA); IDLH 2000 ppm (NIOSH).
穩(wěn)定性：Stable at room temperature. Incompatible with oxidizing agents, acids and a wide variety of other compounds. May form peroxides in storage. May undergo spontaneous polymerisation. Decomposes on heating. Highly flammable. Mixtures with air are explosive.
EPA化學(xué)物質(zhì)信息：Cyclopentadiene (542-92-7)