Adamsite

Adamsite
Names
	Preferred IUPAC name 10-Chloro-5,10-dihydrophenazarsinine
	Other names 10-Chloro-5H-phenarsazinine; Diphenylaminechlorarsine
Identifiers
CAS Number	578-94-9 ;
3D model (JSmol)	Interactive image; Interactive image;
Abbreviations	DM
ChemSpider	10884 ;
ECHA InfoCard	100.008.577
EC Number	209-433-1;
MeSH	Phenarsazine+chloride
PubChem CID	11362;
UNII	QI287G628L ;
CompTox Dashboard (EPA)	DTXSID6041890 ;
	InChI InChI=1S/C12H9AsClN/c14-13-9-5-1-3-7-11(9)15-12-8-4-2-6-10(12)13/h1-8,15H Key: PBNSPNYJYOYWTA-UHFFFAOYSA-N ; InChI=1/C12H9AsClN/c14-13-9-5-1-3-7-11(9)15-12-8-4-2-6-10(12)13/h1-8,15H Key: PBNSPNYJYOYWTA-UHFFFAOYAA;
	SMILES Cl[As]2c1ccccc1Nc3c2cccc3; Cl[As]1C2=C(NC3=C1C=CC=C3)C=CC=C2;
Properties
Chemical formula	C12H9AsClN
Molar mass	277.58 g·mol−1
Appearance	Yellow-green crystals
Melting point	195 °C (383 °F; 468 K)
Boiling point	410 °C (770 °F; 683 K)
Solubility in water	0.064 g dm−3
	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

Adamsite or DM is an organic compound; technically, an arsenical diphenylaminechlorarsine, that can be used as a riot control agent. DM belongs to the group of chemical warfare agents known as vomiting agents or sneeze gases. First synthesized in Germany by Heinrich Otto Wieland in 1915, it was independently developed by the US chemist Roger Adams (for whom it is named) at the University of Illinois in 1918.

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