2-Chlorostyrene is a chlorinated derivative of styrene with the chemical formula C8H7Cl.

2-Chlorostyrene[1]
Names
Preferred IUPAC name
1-Chloro-2-ethenylbenzene
Other names
1-Chloro-2-vinylbenzene
2-Chlorostyrene
o-Chlorostyrene
ortho-Chlorostyrene
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.016.389 Edit this at Wikidata
RTECS number
  • WL4160000
UNII
UN number 1993
  • InChI=1S/C8H7Cl/c1-2-7-5-3-4-6-8(7)9/h2-6H,1H2 checkY
    Key: ISRGONDNXBCDBM-UHFFFAOYSA-N checkY
  • InChI=1/C8H7Cl/c1-2-7-5-3-4-6-8(7)9/h2-6H,1H2
    Key: ISRGONDNXBCDBM-UHFFFAOYAD
  • Clc1ccccc1C=C
  • C=Cc1ccccc1Cl
Properties
C8H7Cl
Molar mass 138.59 g/mol
Appearance colorless liquid
Density 1.088 g/cm3
Melting point −63.1 °C (−81.6 °F; 210.1 K)
Boiling point 189 °C (372 °F; 462 K)
Insoluble
Vapor pressure 0.96 mmHg (25°C)[1]
Hazards
GHS labelling:
GHS02: FlammableGHS07: Exclamation markGHS08: Health hazard
Danger
H226, H332, H350
P201, P202, P210, P233, P240, P241, P242, P243, P261, P264, P271, P280, P281, P302+P352, P303+P361+P353, P304+P312, P304+P340, P305+P351+P338, P308+P313, P312, P321, P332+P313, P337+P313, P362, P370+P378, P403+P233, P403+P235, P405, P501
Flash point 60.4 °C (140.7 °F; 333.5 K)
NIOSH (US health exposure limits):
PEL (Permissible)
none[1]
REL (Recommended)
TWA 50 ppm (285 mg/m3) ST 75 ppm (428 mg/m3)[1]
IDLH (Immediate danger)
N.D.[1]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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References

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  1. ^ a b c d e NIOSH Pocket Guide to Chemical Hazards. "#0134". National Institute for Occupational Safety and Health (NIOSH).