My watch list

CS gas (data page)

IUPAC name

2-Chlorobenzalmalononitrile

Other names

Tear gas
ortho-chlorobenzylidene malononitrile
Propanedinitrile, [(2-chlorophenyl)methylene]
Malononitrile, (o-chlorobenzylidene)
β,β-Dicyano-o-chlorostyrene
(o-Chlorobenzal)malononitrile
(o-Chlorobenzylidene)malononitrile
2-Chlorobenzylidenemalononitrile
(o-Chlorobenzylidene)malonitrile
o-Chlorobenzylidenemalonic nitrile
NCI-C55118
USAF KF-11
2-Chloro BMN
b, b-Dicyano-O-chlorostyrene
2-Chlorobenzylidenemaloninitrile
Propanedinitrile, 2-2-chlorobenzylidene
2-(2-Chlorobenzylidene)malononitrile

Identifiers

CAS number

2698-41-1

Properties

Molecular formula

C₁₀H₅Cl N₂^[1]

Molar mass

188.6 g/mol^[2]

Appearance

White crystalline powder
Colourless gas when burned

Density

1.04 g/cm³

Melting point

93°C, (366.15 K), (199.4 °F)

Boiling point

310 °C, (583.15 K), (590 °F)^[3]

Solubility in water

Solubility in MiBK
hexane
benzene
methylene chloride
acetone
dioxane
ethyl acetate
pyridine

yes

Vapor pressure

([[1 × 10^-3 m|mm]] Hg) 3.4 × 10^-5 at 20°C

Hazards

NFPA 704

Related Compounds

Related compounds

SDBS

Except where noted otherwise, data are given for
materials in their standard state
(at 25 °C, 100 kPa)
Infobox disclaimer and references

Data on CS gas.

Additional recommended knowledge

References

^ U.S. Army Center for Health Promotion and Preventive Medicine Detailed Facts About Tear Agent O-Chlorobenzylidene Malononitrile (CS) (pdf)09 March ,2006)
^ Study by Uwe Heinrich Documents the chemistry of CS and its effects on the body. 9 March 2006)
^ www.wombles.org.uk Article on pepper spray and tear gas.09 March ,2006)

Categories: Riot control agents | Lachrymatory agents