Basic information
- CAS
1066-35-9- Standard SMILES
C[SiH](C)Cl- InChIKey
YGHUUVGIRWMJGE-UHFFFAOYSA-N- Molecular formula
- C2H7ClSi
- Average molar mass
- 94.61 g/mol
- Monoisotopic mass
- 94.00055443
Overview
Dimethylchlorosilane appears as a colorless fuming liquid with a pungent, burning odor. Extremely corrosive to skin and respiratory tissues, both as a liquid and vapor. Vapors are heavier than air.
Names & identifiers
- Preferred name
- Chlorodimethylsilane
- IUPAC
- chloro(dimethyl)silane
- English name
- Chlorodimethylsilane
- Molecular formula
- C2H7ClSi
- Molecular weight
- 94.62
Names & synonyms
dimethylsilyl chloridedimethylmonochlorosilaneRefChem:575834DTXCID807355213-912-01066-35-9ChlorodimethylhydrosilaneChlorodimethylsilaneDimethylchlorohydrosilaneDimethylchlorosilaneDimethylhydrosilyl chlorideDTXSID0027355
Show more names
DMCSDMSCCD5470CFS-359orodimethyL
Silane, chlorodimethyl-XR7E4F5838chloro(dimethyl)silaneDimethylsilylchloridechiorodimethylsilaneHSiMe2ClMe2SiHClSiHMe2Cl
Database identifiers
- CAS
1066-35-9- PubChem CID
- 66108
- DTXSID
DTXSID0027355- EC Number
- 213-912-0
Properties
Computed structural properties
- Topological polar surface area
- 0 Ų
- Hydrogen bond donors
- 0
- Hydrogen bond acceptors
- 0
- Rotatable bonds
- 0
- Heavy atoms
- 4
- Formal charge
- 0
- Complexity
- 13.5
Experimental & physicochemical properties
Chemical ClassesToxic Gases & Vapors -> Chlorosilanes
SpringerMaterials Properties29Si nuclear magnetic resonance spectrum
Density0.852 @25 °C
Boiling Point34.6 °C @760 [mm Hg]
Melting Point-111 °C
Vapor Pressure442.6 [mmHg]
Physical Description
Dimethylchlorosilane appears as a colorless fuming liquid with a pungent, burning odor. Extremely corrosive to skin and respiratory tissues, both as a liquid and vapor. Vapors are heavier than air.
Liquid
Colorless fuming liquid with a pungent, burning odor; Bp = 35 deg C; [CAMEO]
Physicochemical properties
- Melting point
- 111 °C · −111 °C(lit.)
- Boiling point
- 34.7 °C · 34.7 °C(lit.)
Safety & regulation
Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.
GHS classification
GHS Classification
This chemical does not meet GHS hazard criteria for 0.2% (4 of 2413) of reports.
Danger
H224 (98.8%): Extremely flammable liquid and vapor [Danger Flammable liquids]
P210, P231+P232, P233, P240, P241, P242, P243, P260, P261, P264, P271, P280, P301+P330+P331, P302+P361+P354, P303+P361+P353, P304+P340, P305+P354+P338, P316, P321, P363, P370+P378, P402+P404, P403+P233, P403+P235, P405, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 2413 reports by companies from 13 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Hazard information
Regulatory Information
Chemical: Silane, chlorodimethyl-
Silane, chlorodimethyl- is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Silane, chlorodimethyl- are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)
Status: Active Update: 12-10-2022 https://echa.europa.eu/registration-dossier/-/registered-dossier/14141
Chlorodimethylsilane: Does not have an individual approval but may be used under an appropriate group standard
DOT LabelFlammable Liquid Corrosive
Fire HazardsExcerpt from ERG Guide 132 [Flammable Liquids - Corrosive]:
Health HazardsExcerpt from ERG Guide 132 [Flammable Liquids - Corrosive]:
Hazards Summary
Reacts violently with water evolving heat and hydrogen chloride gas; Liquid and vapor highly corrosive to skin and respiratory tissue; [CAMEO] Reacts with water producing flammable gases that may ignite spontaneously; Causes burns; Inhalation may cause corrosive injuries to upper respiratory tract and lungs; [Sigma-Aldrich MSDS]
Chemistry & industry
Uses & manufacturing
UsesToxic Gas from Spilling Chemical in Water [Category: Other]
U.S. Production2023: 2,500,000 - <4,000,000 lb
Industry UsesMonomers
General Manufacturing Information
All Other Basic Inorganic Chemical Manufacturing
Silane, chlorodimethyl-: ACTIVE
Applications
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.
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.
Upstream & downstream products
Upstream raw materials
Related reactions
139 records
Compound notes
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