2,4-dimethylstyrene

Names

[ Name ]:
2,4-dimethylstyrene

[Synonym ]:
Benzene,1-ethenyl-2,4-dimethyl
2,4-Dimethylstyrene
1,3-Dimethyl-4-vinylbenzene
2,4-DIAMINOPYRIMIDINE-5-CARBOXALDEHYDE
1-Vinyl-2,4-dimethylbenzene
1,3-Dimethyl-4-ethenylbenzene
MFCD00014937
2,4-dimethyl vinyl benzene
2,4-Dimethyl-styrol
EINECS 218-781-3
4-Vinyl-m-xylene
2,4-dimethyl-1-vinylbenzene
Styrene,2,4-dimethyl

Chemical & Physical Properties

[ Density]:
0.906 g/mL at 25 °C(lit.)

[ Boiling Point ]:
73-74 °C10 mm Hg(lit.)

[ Melting Point ]:
−64 °C(lit.)

[ Molecular Formula ]:
C₁₀H₁₂

[ Molecular Weight ]:
132.20200

[ Flash Point ]:
140 °F

[ Exact Mass ]:
132.09400

[ LogP ]:
2.94640

[ Vapour Pressure ]:
0.554mmHg at 25°C

[ Index of Refraction ]:
n20/D 1.543(lit.)

[ Storage condition ]:
0-6°C

MSDS

Click to get detail MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: WL4450000

CHEMICAL NAME :: Styrene, 2,4-dimethyl-

CAS REGISTRY NUMBER :: 2234-20-0

BEILSTEIN REFERENCE NO. :: 2037627

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C10-H12

MOLECULAR WEIGHT :: 132.22

WISWESSER LINE NOTATION :: 1U1R B1 D1

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 ]:

GHS02, GHS07

[ Signal Word ]:
Warning

[ Hazard Statements ]:
H226-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 ]:
R36/37/38

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

[ RIDADR ]:
UN 3295 3/PG 3

[ WGK Germany ]:
3

[ RTECS ]:
WL4450000

[ Packaging Group ]:
III

[ Hazard Class ]:
3

[ 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%