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

Names

[ CAS No. ]:
7641-77-2

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

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

Chemical & Physical Properties

[ Density]:
0.803 g/mL at 25ºC(lit.)

[ Boiling Point ]:
60ºC20 mm Hg(lit.)

[ Melting Point ]:
7ºC(lit.)

[ Molecular Formula ]:
C12H18

[ Molecular Weight ]:
162.27100

[ Flash Point ]:
95 °F

[ Exact Mass ]:
162.14100

[ LogP ]:
3.69900

[ Index of Refraction ]:
n20/D 1.448(lit.)

MSDS

Click to get detail MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
DT7320000
CHEMICAL NAME :
Bicyclo(2.2.0)hexa-2,5-diene, hexamethyl-
CAS REGISTRY NUMBER :
7641-77-2
LAST UPDATED :
198910
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C12-H18
MOLECULAR WEIGHT :
162.30
WISWESSER LINE NOTATION :
L44 BU EUTJ A1 B1 C1 D1 E1 F1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
800 mg/kg/15W-I
TOXIC EFFECTS :
Tumorigenic - equivocal tumorigenic agent by RTECS criteria Liver - tumors Blood - leukemia
REFERENCE :
ZEKBAI Zeitschrift fuer Krebsforschung. (Berlin, Fed. Rep. Ger.) V.1-75, 1903-71. For publisher information, see JCROD7. Volume(issue)/page/year: 74,100,1970

Safety Information

[ Risk Phrases ]:
10

[ Safety Phrases ]:
S16;S33;S36/S37/S39

[ RIDADR ]:
UN 3295 3/PG 3

[ Packaging Group ]:
III

[ Hazard Class ]:
3.2

Precursor & DownStream

Precursor

DownStream

  • Pentamethylcyclopentadiene
  • 1,3,4,5,6-pentamethyl-2-methylidenebicyclo[3.1.0]hex-3-ene
  • 5-(1-chloroethyl)-1,2,3,4,5-pentamethylcyclopenta-1,3-diene
  • HEXAMETHYLBENZENE
  • 1-Acetyl-1,2,3,4,5-pentamethyl-2,4-cyclopentadiene

Related Compounds

  • 1,2,3,4,5,6-hexakis-phenylbicyclo[2.2.0]hexa-2,5-diene
  • 1,2,3,4,5,6-hexakis(trifluoromethyl)bicyclo[2.2.0]hexa-2,5-diene
  • 1,2,3,4,5,6-hexamethylbicyclo[2.2.0]hex-2-ene-5,6-diol
  • 1,2,3,4,5,6-hexamethylbicyclo[2.2.0]hexane
  • 1,2,3,4,5,6,7-heptachlorobicyclo[2.2.1]hepta-2,5-diene
  • 1,2,3,4,5,6,7,7-octafluorobicyclo[2.2.1]hepta-2,5-diene