2,4-dimethylstyrene

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Names

[ CAS No. ]:
2234-20-0

[ 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

  • 2,4-dimethyl-1-[(E)-2-trimethylsilylethenyl]benzene
  • 1,1-bis-(2,4-dimethyl-phenyl)-ethane
  • m-Xylene
  • Benzeneethanol,2,4-dimethyl-
  • 2-(2,4-dimethylphenyl)-N,N-dimethylethanamine
  • Methyltriphenylphosphonium bromide
  • 2,4-dimethylbenzaldehyde
  • (2,5-Dimethylphenyl)acetic acid

DownStream

  • 2,4-Dimethylbenzoic acid
  • 3-(2,4-DIMETHYLPHENYL)PROPIONIC ACID
  • 2-(2,4-dimethylphenyl)propanoic acid
  • 4-ethyl-m-xylene
  • Formaldehyde
  • 2,4-dimethylbenzaldehyde
  • 2,4-DIMETHYL(1,3-DIOXOLAN-2-YLMETHYL)BENZENE
  • 1-[2-(2,4-dimethylphenyl)ethenyl]-2,4-dimethylbenzene
  • diphenylethylene
  • trans-1-phenyl-2-(2',4'-dimethylphenyl)-ethylene

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%

Related Compounds

  • 2-[4-chloro-3-(trifluoromethyl)phenyl]-5-methyl-1,3-benzoxazole
  • 2-(4-(4-CHLOROBUTANOYL)PHENYL)-2-METHYLPROPANOIC ACID
  • 2-[(4-methylphenyl)sulfonylmethyl]benzo[f][1,3]benzodioxole
  • 2,4-Hexadienedioicacid, 1,6-dimethyl ester, (2E,4E)-
  • 2,4(1H,3H)-Pyrimidinedione,6-benzoyl-
  • 2-(4-chlorophenyl)-3-(1,2,4-triazol-1-yl)isoquinolin-1-one