Methylmagnesium chloride

Methylmagnesium chloride
Names
	IUPAC name chlorido(methyl)magnesium
	Other names (chloromagnesio)methane
Identifiers
CAS Number	676-58-4 ; 75-16-1 (bromide) ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:51492 ;
ChemSpider	10610396 ;
ECHA InfoCard	100.010.573
EC Number	211-629-7;
PubChem CID	12670;
UNII	M5E1132G4W ; 22CW9773DF (bromide) ;
CompTox Dashboard (EPA)	DTXSID7052365 ;
	InChI InChI=1S/CH3.ClH.Mg/h1H3;1H;/q;;+1/p-1 Key: RQNMYNYHBQQZSP-UHFFFAOYSA-M ; InChI=1/CH3.ClH.Mg/h1H3;1H;/q;;+1/p-1/rCH3Mg.ClH/c1-2;/h1H3;1H/q+1;/p-1 Key: RQNMYNYHBQQZSP-OWCPXFRBAR;
	SMILES [Cl-].[Mg+]C;
Properties
Chemical formula	CH3MgCl
Molar mass	74.79 g·mol−1
Appearance	colorless solid
Solubility in water	Reacts with water
Solubility	soluble in diethyl ether and THF
Hazards
	Occupational safety and health (OHS/OSH):
Main hazards	Flammable, reacts violently with water, severe skin burns and serious eye damage
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H225, H250, H260, H314
Precautionary statements	P210, P222, P223, P231+P232, P233, P240, P241, P242, P243, P260, P264, P280, P301+P330+P331, P302+P334, P303+P361+P353, P304+P340, P305+P351+P338, P310, P321, P335+P334, P363, P370+P378, P402+P404, P403+P235, P405, P422, P501
NFPA 704 (fire diamond)	3 3 2 W
Flash point	−17 °C (1 °F; 256 K)
Related compounds
Related compounds	Phenylmagnesium bromide; Dimethylmagnesium; Dibutylmagnesium;
	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

Methylmagnesium chloride is an organometallic compound with the general formula CH₃MgCl. This highly flammable, colorless, and moisture sensitive compound is the simplest Grignard reagent and is commercially available, usually as a solution in tetrahydrofuran.