8.22098
Methylstyrene
(mixture of 3- and 4-isomers) stabilised with 4-tert-butylpyrocatechol for synthesis
Synonym(s):
Methylstyrene, Vinyltoluene
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About This Item
Linear Formula:
3/4-(CH3)C6H4CH=CH2
CAS Number:
Molecular Weight:
118.18
MDL number:
UNSPSC Code:
12352005
EC Index Number:
215-292-7
NACRES:
NA.22
vapor pressure
1.47 hPa ( 20 °C)
Quality Level
form
liquid
autoignition temp.
575 °C
potency
5000 mg/kg LD50, oral (Rat)
expl. lim.
1.1-5.2 % (v/v)
mp
-77 °C
transition temp
flash point 52 °C
density
0.893 g/cm3 at 25 °C
storage temp.
2-30°C
SMILES string
Cc1ccc(cc1)C=C
InChI
1S/C9H10/c1-3-9-6-4-8(2)5-7-9/h3-7H,1H2,2H3
InChI key
JLBJTVDPSNHSKJ-UHFFFAOYSA-N
Analysis Note
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
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
signalword
Warning
hcodes
Hazard Classifications
Acute Tox. 4 Inhalation - Flam. Liq. 3
Storage Class
3 - Flammable liquids
wgk
WGK 1
flash_point_f
125.6 °F
flash_point_c
52 °C
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