8.22098 EMD Millipore


Methylstyrene (mixture of 3- and 4-isomers) stabilised with 4-tert-butylpyrocatechol for synthesis. CAS 1319-73-9, EC Number 215-292-7, chemical formula 3/4-(CH₃)C₆H₄CH=CH₂., (mixture of 3- and 4-isomers) stabilised with 4-tert-butylpyrocatechol for synthesis

Synonym: Vinyltoluene

  • CAS Number 1319-73-9

  • Linear Formula C₉H₁₀

  • Molecular Weight 118.18 g/mol

  •  EC Number 215-292-7



Related Categories Biochemicals and Reagents More...
packaging   100 ml in Glass bottle (8220980100)
  45 kg in Steel barrel (8220989045)
expl. lim.     1.1 - 5.2 %(V)
vapor pressure   1.47 hPa (20 °C)
solubility   0.09 g/l
density   0.893 g/cm3 (25 °C)
flash point   52 °C
autoignition temp.   575 °C
mp   -77 °C
LD 50 oral   LD50 Rat 5000 mg/kg
shipped in   ambient
storage temp.   Store below +30°C.
specifications   Assay 3-methyl styrol (GC, area%): 40.0 - 60.0 % (a/a)
  Assay 4-methyl styrol (GC, area%): 40.0 - 60.0 % (a/a)
  Sum isomers (GC): ≥ 98.0 % (a/a)
  Density (d 20 °C/ 4 °C): 0.896 - 0.898
  Identity (IR): passes test

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Safety Information

HS Code 
2902 90 00
Hazard Statement(s) 
H226: Flammable liquid and vapour.
H315: Causes skin irritation.
H319: Causes serious eye irritation.
H332: Harmful if inhaled.
Precautionary Statement(s) 
P210: Keep away from heat.
P302 + P352: IF ON SKIN: Wash with plenty of soap and water.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Storage class 
3 Flammable liquids
WGK 1 slightly water endangering
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.
Hazard Pictogram(s) 
GHS02  GHS02
Hazard Pictogram(s) 
GHS07  GHS07
Hazard Symbols 
Harmful  Harmful
Declaration (railroad and road) ADR, RID 
UN 2618 , 3, III
Declaration (transport by air) IATA-DGR 
UN 2618 , 3, III
Declaration (transport by sea) IMDG-Code 
UN 2618 , 3, III
Categories of danger 
flammable, harmful, irritant, dangerous for the environment
R Phrase 
R 10-20-36/37/38-52/53
Flammable.Harmful by inhalation.Irritating to eyes, respiratory system and skin.Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
S Phrase 
S 26-61
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Avoid release to the environment. Refer to special instructions/ Safety data sheets.
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