1,2-Butadiene,3-methyl- (6CI,7CI,8CI,9CI)
Also known as: 1,1-Dimethylallylene, 1,2-butadiene,3-methyl-, 2-Methyl-2,3-butadiene, 3,3-DIMETHYLALLENE, 3-METHYL-1,2-BUTADIENE, 3-Methyl-1,2-butadiene, 3-methyl-buta-1,2-diene, 3-methylbuta-1,2-diene, CH2=C=C(CH3)2, Dimethylallene, EINECS 209-926-1, MFCD00008896
1,2-Butadiene,3-methyl- (6CI,7CI,8CI,9CI) (CAS 598-25-4) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C5H8 and a molecular weight of 68.11700 g/mol. Key properties include a melting point of −148 °C(lit.), a boiling point of 40-41 °C(lit.), a density of 0.694 g/mL at 25 °C(lit.) and a flash point of -12.2 °C. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.
- CAS No.
- 598-25-4
- Jingsj CID
- J-15361-7
- Molecular Formula
- C5H8
- Molecular Weight
- 68.11700 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 11/2/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | −148 °C(lit.) |
|---|---|
| Boiling Point | 40-41 °C(lit.) |
| Density | 0.694 g/mL at 25 °C(lit.) |
| Flash Point | -12.2 °C |
| Exact Mass | 68.06260 |
| LogP | 1.73750 |
| Vapor Pressure | 6.87 psi ( 20 °C) |
| Refractive Index | n20/D 1.419(lit.) |
| Storage Conditions | 2-8°C |
Frequently Asked Questions
What is the CAS number of 1,2-Butadiene,3-methyl- (6CI,7CI,8CI,9CI)?
The CAS number of 1,2-Butadiene,3-methyl- (6CI,7CI,8CI,9CI) is 598-25-4.
What are the molecular formula and molecular weight of 1,2-Butadiene,3-methyl- (6CI,7CI,8CI,9CI)?
1,2-Butadiene,3-methyl- (6CI,7CI,8CI,9CI) has molecular formula C5H8 and molecular weight 68.11700 g/mol.
What are the upstream and downstream products of 1,2-Butadiene,3-methyl- (6CI,7CI,8CI,9CI)?
For 1,2-Butadiene,3-methyl- (6CI,7CI,8CI,9CI), Upstream Products: 3-Chloro-3-methyl-1-butyne, 2-bromo-3-methylbut-2-ene, 3-Methyl-1-butyne; Downstream Products: 1,2-dibromo-3-methylbutane, 2,2-dimethyl-1,3-dioxolan-4-one, 2-Methylbut-2-ene.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,2-Butadiene,3-methyl- (6CI,7CI,8CI,9CI) (CAS 598-25-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-15361-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.