2,3-DIMETHYL-1,3-BUTADIENE
Also known as: 2,3-DIMETHYL-BUTA-1,3-DIENE, 2,3-DiMethyl-1,3-butadiene, 2,3-Dimethyl-1,3-butadiene, 2,3-Dimethyl-1,3-butadiene - stab with BHT, 2,3-Dimethylbutadiene, 2,3-Dimethylenebutane, 2,3-Dimethylerythrene,Diiso-propenyl, 2,3-dimethyl-3-butadiene, 2,3-dimethylbuta-1,3-diene, Biisopropenyl, EINECS 208-172-0, MFCD00008595
2,3-DIMETHYL-1,3-BUTADIENE (CAS 513-81-5) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C6H10 and a molecular weight of 82.14360 g/mol. Key properties include a melting point of −76 °C(lit.), a boiling point of 68-69 °C(lit.), a density of 0.727 g/mL at 20 °C and a flash point of -22.2 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.
- CAS No.
- 513-81-5
- Jingsj CID
- J-26579-2
- Molecular Formula
- C6H10
- Molecular Weight
- 82.14360 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 11/2/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | −76 °C(lit.) |
|---|---|
| Boiling Point | 68-69 °C(lit.) |
| Density | 0.727 g/mL at 20 °C |
| Flash Point | -22.2 °C |
| Exact Mass | 82.07830 |
| LogP | 2.13860 |
| Vapor Pressure | 269 mm Hg ( 37.7 °C) |
| Refractive Index | n20/D 1.438(lit.) |
GHS Safety & Compliance
- H225 — Highly flammable liquid and vapour
Customs & Trade Information
| HS Code | 2901299090 |
|---|---|
| Summary | 2901299090 unsaturated acyclic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 2,3-DIMETHYL-1,3-BUTADIENE?
The CAS number of 2,3-DIMETHYL-1,3-BUTADIENE is 513-81-5.
What are the molecular formula and molecular weight of 2,3-DIMETHYL-1,3-BUTADIENE?
2,3-DIMETHYL-1,3-BUTADIENE has molecular formula C6H10 and molecular weight 82.14360 g/mol.
Is 2,3-DIMETHYL-1,3-BUTADIENE hazardous?
2,3-DIMETHYL-1,3-BUTADIENE has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,3-DIMETHYL-1,3-BUTADIENE (CAS 513-81-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-26579-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.