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1,2,3,4,5,6-hexamethylbicyclo[2.2.0]hexa-2,5-diene

Also known as: 1,2,3,4,5,6-HEXAMETHYLBICYCLO[2.2.0]HEXA-2,5-DIENE, 1,2,3,4,5,6-Hexamethylbicyclo(2,2,0)hexa-2,5-diene, 2-Butin hexamethyl-dewar-benzol, 2-Butin hexamethyl-dewar-benzol [German], 2-butinhexamethyl-dewar-benzol, BICYCLO(2.2.0)HEXA-2,5-DIENE,HEXAMETHYL, Bicyclo(2.2.0)hexa-2,5-diene, hexamethyl-, Bicyclo[2.2.0]hexa-2,5-diene, 1,2,3,4,5,6-hexamethyl-, Dewar benzene,hexamethyl, EINECS 231-576-3, HEXAMETHYLDEWARBENZENE, Hexamethyl-bicyclo(2.2.0)hexa-2,5-dien, Hexamethyl-bicyclo(2.2.0)hexa-2,5-dien [German], Hexamethyldewarbenzene, MFCD00001337, hexamethyl(Dewar benzene) radical, hexamethyl-bicyclo(2.2.0)hexa-5-diene, hexamethylbicyclo<2.2.0>hexa-2,5-diene, hexamethylbicyclo[2.2.0]diene

1,2,3,4,5,6-hexamethylbicyclo[2.2.0]hexa-2,5-diene (CAS 7641-77-2) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H18 and a molecular weight of 162.27100 g/mol. Key properties include a melting point of 7ºC(lit.), a boiling point of 60ºC20 mm Hg(lit.), a density of 0.803 g/mL at 25ºC(lit.) and a flash point of 35.0 °C. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.

CAS No.
7641-77-2
Jingsj CID
J-27821-7
Molecular Formula
C12H18
Molecular Weight
162.27100 g/mol
Category
Aromatic Hydrocarbons
Last updated
11/2/2026
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Physicochemical Properties

Melting Point7ºC(lit.)
Boiling Point60ºC20 mm Hg(lit.)
Density0.803 g/mL at 25ºC(lit.)
Flash Point35.0 °C
Exact Mass162.14100
LogP3.69900
Refractive Indexn20/D 1.448(lit.)

Frequently Asked Questions

What is the CAS number of 1,2,3,4,5,6-hexamethylbicyclo[2.2.0]hexa-2,5-diene?

The CAS number of 1,2,3,4,5,6-hexamethylbicyclo[2.2.0]hexa-2,5-diene is 7641-77-2.

What are the molecular formula and molecular weight of 1,2,3,4,5,6-hexamethylbicyclo[2.2.0]hexa-2,5-diene?

1,2,3,4,5,6-hexamethylbicyclo[2.2.0]hexa-2,5-diene has molecular formula C12H18 and molecular weight 162.27100 g/mol.

What are the upstream and downstream products of 1,2,3,4,5,6-hexamethylbicyclo[2.2.0]hexa-2,5-diene?

For 1,2,3,4,5,6-hexamethylbicyclo[2.2.0]hexa-2,5-diene, Downstream Products: Pentamethylcyclopentadiene, HEXAMETHYLBENZENE.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "1,2,3,4,5,6-hexamethylbicyclo[2.2.0]hexa-2,5-diene (CAS 7641-77-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-27821-7 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.