Chlorodimethylsilane

Chlorodimethylsilane Basic information
Product Name:Chlorodimethylsilane
Synonyms:CD5470;chlorodimethyl-silan;Dimethylchlorohydrosilane;Dimethylhydrosilyl chloride;Dimethylmonochlorosilane;chrolodimethylsilane;Chlorodimethylsilane,96%;Dimethylchlorsilane
CAS:1066-35-9
MF:C2H7ClSi
MW:94.62
EINECS:213-912-0
Product Categories:Indolines ,Indoles;Dimethylsilylation (GC Derivatizing Reagents);Analytical Chemistry;GC Derivatizing Reagents;Monochlorosilanes;Reduction;Si (Classes of Silicon Compounds);Si-Cl Compounds;Si-H Compounds;Silylation (GC Derivatizing Reagents);Synthetic Organic Chemistry;Chloro Silanes;Hydrogensilanes Hydrogensiloxanes;Reducing Agents
Mol File:1066-35-9.mol
Chlorodimethylsilane Structure
Chlorodimethylsilane Chemical Properties
Melting point −111 °C(lit.)
Boiling point 34.7 °C(lit.)
density 0.852 g/mL at 25 °C(lit.)
vapor density 4 (vs air)
vapor pressure 8.56 psi ( 20 °C)
refractive index n20/D 1.383(lit.)
Fp −20 °F
storage temp. 2-8°C
solubility Miscible with organic solvents.
form Liquid
color Clear colorless
Specific Gravity0.868
explosive limit3.0-20.0%(V)
Water Solubility reacts
Sensitive Moisture Sensitive
Hydrolytic Sensitivity8: reacts rapidly with moisture, water, protic solvents
BRN 1633434
InChIKeyYGHUUVGIRWMJGE-UHFFFAOYSA-N
CAS DataBase Reference1066-35-9(CAS DataBase Reference)
NIST Chemistry ReferenceSilane, chlorodimethyl-(1066-35-9)
EPA Substance Registry SystemSilane, chlorodimethyl- (1066-35-9)
Safety Information
Hazard Codes F,C,F+
Risk Statements 11-34-12-35-20-14/15
Safety Statements 16-26-36/37/39-45-9-43
RIDADR UN 2988 4.3/PG 1
WGK Germany 1
10-21
TSCA Yes
HazardClass 3
PackingGroup I
HS Code 29310095
MSDS Information
ProviderLanguage
Chlorodimethylsilane English
SigmaAldrich English
ACROS English
ALFA English
Chlorodimethylsilane Usage And Synthesis
Chemical PropertiesColorless clear liquid
UsesChlorodimethylsilane is used to prepare vinyldimethylsilanols for palladium-catalyzed cross-coupling with aryl iodides. Chlorodimethylsilane in combination with a tertiary amine such as triethylamine is another useful reagent for the synthesis of hydrodimethylsilyl ethers, especially for large scale preparations.
ApplicationThe popular uses of chlorodimethylsilane are listed as below:
Will form high-boiling polymeric by-products with aqueous work-up.
A monomer ('building block') in the production of silicone polymers. Silicone polymers may be oils, greases, rubbers and resins and have a wide-range of uses.
In the electronics industry for the production of ultra-pure polysilicon and in the manufacture of semiconductors and photovoltaics.
Although the end uses of products made from chlorodimethylsilane will vary, it can be assumed that due to its highly reactive nature, no residual unreacted material will be present in any of the final products.
General DescriptionA colorless fuming liquid with a pungent, burning odor. Flash point -18°F. Boiling point 95°F. Density about 6.9 lb / gal. Extremely corrosive to skin and respiratory tissues, both as a liquid and vapor. Vapors are heavier than air.
Air & Water ReactionsHighly flammable. Reacts violently on contact with water to liberate heat and hydrogen chloride gas.
Reactivity ProfileChlorosilanes, such as DIMETHYLCHLOROSILANE, are compounds in which silicon is bonded to from one to four chlorine atoms with other bonds to hydrogen and/or alkyl groups. Chlorosilanes react with water, moist air, or steam to produce heat and toxic, corrosive fumes of hydrogen chloride. They may also produce flammable gaseous H2. They can serve as chlorination agents. Chlorosilanes react vigorously with both organic and inorganic acids and with bases to generate toxic or flammable gases.
Health HazardMay cause toxic effects if inhaled or ingested/swallowed. Contact with substance may cause severe burns to skin and eyes. Fire will produce irritating, corrosive and/or toxic gases. Vapors may cause dizziness or suffocation. Runoff from fire control or dilution water may cause pollution.
Fire HazardFlammable/combustible material. May be ignited by heat, sparks or flames. Vapors may form explosive mixtures with air. Vapors may travel to source of ignition and flash back. Most vapors are heavier than air. They will spread along ground and collect in low or confined areas (sewers, basements, tanks). Vapor explosion hazard indoors, outdoors or in sewers. Runoff to sewer may create fire or explosion hazard. Containers may explode when heated. Many liquids are lighter than water.
Flammability and ExplosibilityExtremelyflammable
1,4-PHENYLENEBIS(CHLORODIMETHYLSILANE) DIMETHYLTHEXYLSILYL CHLORIDE 7-OCTENYLDIMETHYLCHLOROSILANE 3-ACETOXYPROPYL DIMETHYLCHLOROSILANE (BROMOMETHYL)CHLORODIMETHYLSILANE 5-NORBORNEN-2-YL(ETHYL)CHLORODIMETHYLSILANE (3,3-DIMETHYLBUTYL)DIMETHYLCHLOROSILANE 1,2-Ethynediylbis[chlorodimethylsilane] Tributylchlorosilane METHYLSILANE DIMETHYLSILANE CHLORO(DIETHYLAMINO)DIMETHYLSILANE 97 (N,N-DIMETHYLAMINO)DIMETHYLCHLOROSILANE N-PENTYLDIMETHYLCHLOROSILANE HYDRIDE Q RESIN ACETOXYETHYLDIMETHYLCHLOROSILANE CHLOROPHENYLSILANE 97 Chlorodimethylpentafluorophenylsilane

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