Chlorodimethylsilane

Chlorodimethylsilane, also called dimethylchlorosilane and abbreviated DMCS, is a chemical compound with the formula (CH₃)₂SiHCl. It is a silane, with a silicon atom bonded to two methyl groups, a chlorine atom, and a hydrogen atom.

Chlorodimethylsilane^[1]

Names
Preferred IUPAC name Chlorodi(methyl)silane
Other names Dimethylchlorosilane, DMCS
Identifiers
CAS Number	1066-35-9 Y
3D model (JSmol)	Interactive image
ChemSpider	59496 Y
ECHA InfoCard	100.012.648
EC Number	213-912-0
PubChem CID	6327132
UNII	XR7E4F5838 N
UN number	2924
CompTox Dashboard (EPA)	DTXSID0027355
InChI InChI=1S/C2H7ClSi/c1-4(2)3/h4H,1-2H3 Y Key: YGHUUVGIRWMJGE-UHFFFAOYSA-N Y InChI=1/C2H7ClSi/c1-4(2)3/h4H,1-2H3 Key: YGHUUVGIRWMJGE-UHFFFAOYAP
SMILES Cl[SiH](C)C
Properties
Chemical formula	(CH3)2SiHCl
Molar mass	94.62 g/mol
Density	0.852 g/mL, 25 °C
Melting point	−111 °C (−168 °F; 162 K)
Boiling point	34.7 °C (94.5 °F; 307.8 K)
Hazards
GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H224, H261, H314, H331
Precautionary statements	P210, P231+P232, P233, P240, P241, P242, P243, P260, P261, P264, P271, P280, P301+P330+P331, P303+P361+P353, P304+P340, P305+P351+P338, P310, P311, P321, P363, P370+P378, P402+P404, P403+P233, P403+P235, P405, P501
Related compounds
Related compounds	Dichloromethylsilane, Trichlorosilane, Trimethylsilane
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

Its structure, including bond lengths and bond angles, has been determined using Fourier transform microwave spectroscopy.^[2]