2,5-dimethylstyrene

Names

[ CAS No. ]:
2039-89-6

[ Name ]:
2,5-dimethylstyrene

[Synonym ]:
2-ethenyl-1,4-dimethyl-benzene
MFCD00008614
Benzene,2-ethenyl-1,4-dimethyl
Styrene,2,5-dimethyl
2,5-Dimethylstyrene
1,4-Dimethyl-2-vinylbenzene
EINECS 218-028-9
o-vinyl-p-xylene
2-vinyl-p-xylene
1,4-Dimethyl-2-ethenylbenzene

Chemical & Physical Properties

[ Density]:
0.904 g/mL at 25 °C(lit.)

[ Boiling Point ]:
71-72 °C10 mm Hg(lit.)

[ Melting Point ]:
−35 °C(lit.)

[ Molecular Formula ]:
C₁₀H₁₂

[ Molecular Weight ]:
132.20200

[ Flash Point ]:
147 °F

[ Exact Mass ]:
132.09400

[ LogP ]:
2.94640

[ Vapour Pressure ]:
0.628mmHg at 25°C

[ Index of Refraction ]:
n20/D 1.539(lit.)

[ Storage condition ]:
Keep Cold

MSDS

Click to get detail MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: WL4460000

CHEMICAL NAME :: Styrene, 2,5-dimethyl-

CAS REGISTRY NUMBER :: 2039-89-6

BEILSTEIN REFERENCE NO. :: 2203656

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C10-H12

MOLECULAR WEIGHT :: 132.22

WISWESSER LINE NOTATION :: 1U1R B1 E1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 5 gm/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: 28ZRAQ "Toxicology and Biochemistry of Aromatic Hydrocarbons," Gerarde, H., New York, Elsevier, 1960 Volume(issue)/page/year: -,58,1960

Safety Information

[ Symbol ]:

GHS07

[ Signal Word ]:
Warning

[ Hazard Statements ]:
H315-H319-H335

[ Precautionary Statements ]:
P261-P305 + P351 + P338

[ Personal Protective Equipment ]:
Eyeshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter

[ Hazard Codes ]:
Xi: Irritant;

[ Risk Phrases ]:
R36/37

[ Safety Phrases ]:
S26-S36/37/39

[ RIDADR ]:
1993

[ WGK Germany ]:
3

[ RTECS ]:
WL4460000

[ HS Code ]:
2902909090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

DownStream

Customs

[ HS Code ]: 2902909090

[ Summary ]:
2902909090 other aromatic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%