2-Chlorostyrene

2-Chlorostyrene^[1]
Names
	Preferred IUPAC name 1-Chloro-2-ethenylbenzene
	Other names 1-Chloro-2-vinylbenzene; 2-Chlorostyrene; o-Chlorostyrene; ortho-Chlorostyrene
Identifiers
CAS Number	2039-87-4 ;
3D model (JSmol)	Interactive image; Interactive image;
ChemSpider	14205 ;
ECHA InfoCard	100.016.389
PubChem CID	14906;
RTECS number	WL4160000;
UNII	ZA43R4Q315;
UN number	1993
CompTox Dashboard (EPA)	DTXSID3024811 ;
	InChI InChI=1S/C8H7Cl/c1-2-7-5-3-4-6-8(7)9/h2-6H,1H2 Key: ISRGONDNXBCDBM-UHFFFAOYSA-N ; InChI=1/C8H7Cl/c1-2-7-5-3-4-6-8(7)9/h2-6H,1H2 Key: ISRGONDNXBCDBM-UHFFFAOYAD;
	SMILES Clc1ccccc1C=C; C=Cc1ccccc1Cl;
Properties
Chemical formula	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)
Solubility in water	Insoluble
Vapor pressure	0.96 mmHg (25°C)
Hazards
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H226, H332, H350
Precautionary statements	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
REL (Recommended)	TWA 50 ppm (285 mg/m3) ST 75 ppm (428 mg/m3)
IDLH (Immediate danger)	N.D.
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

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

References

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

This article about an organic halide is a stub. You can help Wikipedia by expanding it.

[PGCH-1] NIOSH Pocket Guide to Chemical Hazards. "#0134". National Institute for Occupational Safety and Health (NIOSH).

[1]

Names

Preferred IUPAC name 1-Chloro-2-ethenylbenzene
Other names 1-Chloro-2-vinylbenzene 2-Chlorostyrene o-Chlorostyrene ortho-Chlorostyrene
Identifiers
CAS Number	2039-87-4^Y
3D model (JSmol)	Interactive image Interactive image
ChemSpider	14205^Y
ECHA InfoCard	100.016.389
PubChem CID	14906
RTECS number	WL4160000
UNII	ZA43R4Q315
UN number	1993
CompTox Dashboard (EPA)	DTXSID3024811
InChI InChI=1S/C8H7Cl/c1-2-7-5-3-4-6-8(7)9/h2-6H,1H2^Y Key: ISRGONDNXBCDBM-UHFFFAOYSA-N^Y InChI=1/C8H7Cl/c1-2-7-5-3-4-6-8(7)9/h2-6H,1H2 Key: ISRGONDNXBCDBM-UHFFFAOYAD
SMILES Clc1ccccc1C=C C=Cc1ccccc1Cl
Properties
Chemical formula	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)
Solubility in water	Insoluble
Vapor pressure	0.96 mmHg (25°C)^[1]
Hazards
GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H226, H332, H350
Precautionary statements	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). N verify (what is ^YN ?) Infobox references

2-Chlorostyrene

References

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