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

Names

[ 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