Methylcyclopenta-1,3-diene
甲基环戊二烯
Also known as: 1,3-Cyclopentadiene,methyl, 1-METHYLCYCLOPENTADIENE, EINECS 247-757-5, METHYL-1,3-CYCLOPENTADIENEDIMER, Methyl-1,3-cyclopentadiene
Methylcyclopenta-1,3-diene (CAS 26519-91-5) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C6H8 and a molecular weight of 80.12770 g/mol. It is also known as 1,3-Cyclopentadiene,methyl, 1-METHYLCYCLOPENTADIENE and EINECS 247-757-5. Key properties include a melting point of -51ºC, a boiling point of 85.8ºC at 760mmHg, a density of 0.941（4ºC/20ºC） and a flash point of 26ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 26519-91-5
- Jingsj CID
- J-20233-0
- Molecular Formula
- C6H8
- Chinese Name
- 甲基环戊二烯
- Molecular Weight
- 80.12770 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -51ºC |
|---|---|
| Boiling Point | 85.8ºC at 760mmHg |
| Density | 0.941（4ºC/20ºC） |
| Flash Point | 26ºC |
Frequently Asked Questions
What is the CAS number of Methylcyclopenta-1,3-diene?
The CAS number of Methylcyclopenta-1,3-diene is 26519-91-5.
What are the molecular formula and molecular weight of Methylcyclopenta-1,3-diene?
Methylcyclopenta-1,3-diene has molecular formula C6H8 and molecular weight 80.12770 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Methylcyclopenta-1,3-diene (CAS 26519-91-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-20233-0 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.