1-Ethyl-3-methylimidazolium chloride

1-Ethyl-3-methylimidazolium chloride or [EMIM]Cl is an ionic liquid that can be used in cellulose processing.^[1][2] The cation consists of a five-membered ring with two nitrogen and three carbon atoms, i.e. a derivative of imidazole, with ethyl and methyl groups substituted at the two nitrogen atoms.^[3] Its melting point is 77–79 °C.^[4]

1-Ethyl-3-methylimidazolium chloride

Names
Preferred IUPAC name 3-Ethyl-1-methyl-3H-imidazol-1-ium chloride
Other names [EMIM]Cl
Identifiers
CAS Number	65039-09-0 Y[PubChem]
3D model (JSmol)	Interactive image Interactive image
ChEBI	CHEBI:61327 Y
ChemSpider	2015916 Y
ECHA InfoCard	100.129.917
EC Number	613-739-4
PubChem CID	2734160
UNII	PH90AQ1E93
CompTox Dashboard (EPA)	DTXSID1041180
InChI InChI=1S/C6H11N2.ClH/c1-3-8-5-4-7(2)6-8;/h4-6H,3H2,1-2H3;1H/q+1;/p-1 N Key: BMQZYMYBQZGEEY-UHFFFAOYSA-M N
SMILES CCN1C=C[N+](C)=C1.[Cl-] CCn1cc[n+](c1)C.[Cl-]
Properties
Chemical formula	C6H11ClN2
Molar mass	146.62 g·mol−1
Melting point	77 to 79 °C (171 to 174 °F; 350 to 352 K)
Hazards
GHS labelling:
Pictograms
Signal word	Warning
Hazard statements	H302, H315, H319
Precautionary statements	P264, P270, P280, P301+P312, P302+P352, P305+P351+P338, P321, P330, P332+P313, P337+P313, P362, P501
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