环戊烯

概览

Addition of bromine can convert its double bond into adjacent carbon–bromine bonds. Ring connectivity remains intact in this addition. A cyclic alkene must therefore be distinguished from an aromatic ring, whose characteristic electrophilic reactions usually retain the aromatic system.

Identifiers

化学式

C5H8

官能团

烯烃

摩尔质量

68.12 g/mol

Also known as

1-Cyclopentene, ONM2CKV81Z

性质

熔点

-211 °F (USCG, 1999)

沸点

112 °F at 760 mmHg (USCG, 1999)

Related compounds

• 烯烃

参考文献

1. PubChem Compound Summary: Cyclopentene (CID 8882)National Center for Biotechnology Information · PubChem

   Identity, molecular formula, molecular weight and aliases retrieved via PUG REST on 2026-09-08.

2. OpenStax Organic Chemistry: Halogenation of alkenes: addition of X2John McMurry · OpenStax · 2023

   Supports the qualitative structure and reactivity context; identity and numerical measurements retain their original references.

3. CAMEO Chemicals: Cyclopentene — melting pointCAMEO Chemicals

   Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/8882#section=Melting-Point. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred. Original reference: U.S. Coast Guard. 1999. Chemical Hazard Response Information System (CHRIS) - Hazardous Chemical Data. Commandant Instruction 16465.12C. Washington, D.C.: U.S. Government Printing Office.

4. CAMEO Chemicals: Cyclopentene — boiling pointCAMEO Chemicals

   Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/8882#section=Boiling-Point. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred. Original reference: U.S. Coast Guard. 1999. Chemical Hazard Response Information System (CHRIS) - Hazardous Chemical Data. Commandant Instruction 16465.12C. Washington, D.C.: U.S. Government Printing Office.