HN1 (nitrogen mustard)

HN1 (nitrogen mustard)
Names
	IUPAC name 2-Chloro-N-(2-chloroethyl)-N-ethylethanamine
	Other names Bis(2-chloroethyl)(ethyl)amine
Identifiers
CAS Number	538-07-8 ;
3D model (JSmol)	Interactive image;
ChemSpider	10391 ;
MeSH	bis(2-chloroethyl)ethylamine
PubChem CID	10848;
RTECS number	YE1225000;
UNII	B75ZZA7WIG ;
UN number	2810
CompTox Dashboard (EPA)	DTXSID0060220 ;
	InChI InChI=1S/C6H13Cl2N/c1-2-9(5-3-7)6-4-8/h2-6H2,1H3 Key: UQZPGHOJMQTOHB-UHFFFAOYSA-N ;
	SMILES CCN(CCCl)CCCl;
Properties
Chemical formula	C6H13Cl2N
Molar mass	170.08 g·mol−1
Appearance	Colourless to pale yellow oily liquid
Odor	Fishy, musty
Density	1.0861 g mL−1 (at 20 °C)
Melting point	−34 °C (−29 °F; 239 K)
Boiling point	85.5 °C (185.9 °F; 358.6 K)
Related compounds
Related compounds	Chlormethine (HN2) Tris(2-chloroethylamine) Sulfur mustard Bis(chloroethyl) ether Tris(2-aminoethyl)amine Diethanolamine;
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Bis(2-chloroethyl)ethylamine is the organic compound with the formula C₂H₅N(CH₂CH₂Cl)₂. Often abbreviated HN1, it is a powerful vesicant and a nitrogen mustard gas used for chemical warfare. HN1 was developed in the 1920s and 1930s to remove warts and later as a military agent. Because of the latter use, it is a Schedule 1 chemical within the Chemical Weapons Convention and therefore use and production is strongly restricted. It has never been used in warfare.

It is an oily liquid with a colorless to pale yellow appearance and a faint fishy or musty odor. HN1 is also an alkylating agent.

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