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Phenylcarbylamine chloride
Names
	IUPAC name Phenylcarbonimidoyl dichloride
	Other names Phenyl isocyanide dichloride, K-Stoff
Identifiers
CAS Number	622-44-6;
3D model (JSmol)	Interactive image;
ChemSpider	11646;
ECHA InfoCard	100.009.760
EC Number	210-735-0;
PubChem CID	12145;
UNII	84XDL272K2;
UN number	1672
CompTox Dashboard (EPA)	DTXSID6074833 ;
	InChI InChI=1S/C7H5Cl2N/c8-7(9)10-6-4-2-1-3-5-6/h1-5H Key: TTWWZVGVBRPHLE-UHFFFAOYSA-N;
	SMILES c1ccc(cc1)N=C(Cl)Cl;
Properties
Chemical formula	C7H5Cl2N
Molar mass	174.02 g·mol−1
Appearance	Oily liquid
Odor	Onion-like
Melting point	19.5 °C (67.1 °F; 292.6 K)
Boiling point	210 °C (410 °F; 483 K) at 760 mmHg
Hazards
	Occupational safety and health (OHS/OSH):
Main hazards	Toxic
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H302, H315, H319, H331, H335
Precautionary statements	P261, P264, P270, P271, P280, P301+P312, P302+P352, P304+P340, P305+P351+P338, P311, P312, P321, P330, P332+P313, P337+P313, P362, P403+P233, P405, P501
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Phenylcarbylamine chloride is a chemical compound that was used as a chemical warfare agent. It's an oily liquid with an onion-like odor.^[1] Classified as an isocyanide dichloride, this compound is a lung irritant with lachrymatory effects.^[2]^[3]

Synthesis

Phenylcarbylamine chloride is produced by chlorination of phenyl isothiocyanate.^[4]

^ Handbook of chemical and biological warfare agents (2nd ed.). CRC Press. 24 August 2007. ISBN 9780849314346.
^ Cowell, E. M. (7 October 1939). "Chemical Warfare and the Doctor--I". BMJ. 2 (4109): 736–738. doi:10.1136/bmj.2.4109.736. PMC 2177982. PMID 20782694.
^ Hinkson de, H (January 1920). "Medical Aspect of Gas Warfare". Journal of the National Medical Association. 12 (1): 1–6. PMC 2622123. PMID 20891780.
^ Sartori, Mario (1939). The War Gases. New York: D. Von Nostrand. pp. 200–204.