Pentenes are alkenes with chemical formula C 5H 10. Each contains one double bond within its molecular structure. There are a total of six different compounds in this class, differing from each other by whether the carbon atoms are attached linearly or in a branched structure, and whether the double bond has a cis or trans form.

CAS：627-20-3
中文别名：β-顺式-戊烯;
英文别名：cis-(propane-1,2-diamine)dichloroplatinum(II);[Pt((+/-)-1,2-propylenediamine)Cl2];cis-(Z)-2-pentene;Platinum,dichloro(1,2-propanediamine-N,N\')-,(sp-4-3);(2Z)-pent-2-ene;Dichloro(1,2-propanediammine)platinum(ii);(Z)-2-pentene;(Z)-pent-2-ene;Platinum(ii),dichloro(1,2-propanediammine);cis-pent-2-ene;{PtCl2(2-Me-dab)};Platinum,dichloro(1,2-propanediamine)-,stereoisomer (8ci);[Pt(1,2-pn)Cl2];2-Pentene, (Z)-;
分子式：C5H10
分子量：70.1329
精确质量：70.0783
Psa：0.0
Logp：1.9725

UNII：54UR3XZ4FC

外观与性状：无色液体
密度：0.657g/mLat 20°C
沸点：37-38°C(lit.)
熔点：−180°C(lit.)
闪点：−1°F
折射率：n20/D 1.382(lit.)
稳定性：Stable. Highly flammable - note low flash point. Incompatible with oxidizing agents.
储存条件：Flammables area
蒸汽压：8.17 psi ( 20 °C)

安全说明：S9-S16-S26-S29-S33-S36-S62
WGK Germany：3
危险类别码：R11
危险品运输编码：UN 3295 3/PG 1
危险类别：3.1
包装等级：I
危险品标志：F; Xn

生产方法
烟草：FC，40。