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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
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vapor pressure

1.47 hPa ( 20 °C)

Quality Segment

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


pictograms

FlameExclamation mark

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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