(chloromethyl)methoxydimethylsilane - ≥97% , CAS No.18143-33-4

CAS: 18143-33-4 Cat. No.: C191682 Formula: C4H11ClOSi Molecular Weight: 138.668 EC Number: 700-268-5
AVAILABLE TO ORDER
GRADE & PURITY ≥97%
Synonyms
Chloromethyl(dimethyl)methoxysilane | DTXSID40339987 | A880994 | Dimethyl(chloromethyl)methoxysilane | (Chloromethyl)(methoxy)dimethylsilane | chloromethylmethoxydimethylsilane | chloromethyl-methoxy-dimethylsilane | Chloromethyl(dimethyl)methoxysilane,97
Storage
Store at 2-8°C,Argon charged
Shipped In
Wet ice
★
Size
Germany (EU)
USA*
Price
Qty
1g
C191682-1g
—
2 In stock
€17.27
5g
C191682-5g
—
3 In stock
€75.41
25g
C191682-25g
—
1 In stock
€309.70
Enter a quantity for the sizes you want to add.
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Why this grade

≥97% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Store at 2-8°C,Argon charged Ships Wet ice Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
Chloromethyl(dimethyl)methoxysilane | DTXSID40339987 | A880994 | Dimethyl(chloromethyl)methoxysilane | (Chloromethyl)(methoxy)dimethylsilane | chloromethylmethoxydimethylsilane | chloromethyl-methoxy-dimethylsilane | Chloromethyl(dimethyl)methoxysilane,97
Specifications & Purity
≥97%
Storage
Store at 2-8°C,Argon charged
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥97%
Names and Identifiers
Pubchem Sid504759260
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504759260
Canonical SmilesCO[Si](C)(C)CCl
IUPAC Namechloromethyl-methoxy-dimethylsilane
InChIKeyZCSLOBFDVTWIBL-UHFFFAOYSA-N
INCHI1S/C4H11ClOSi/c1-6-7(2,3)4-5/h4H2,1-3H3
Isomeric SMILES CO[Si](C)(C)CCl
Molecular Weight 138.668
Reaxy-Rn 1733693
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1733693&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganometallic compounds
ClassOrganometalloid compounds
SubclassOrganosilicon compounds
Intermediate Tree Nodes Organoheterosilanes
Direct ParentTrialkylheterosilanes
Alternative Parents Silyl ethers  Organic metalloid salts  Organooxygen compounds  Organochlorides  Hydrocarbon derivatives  Alkyl chlorides  
Molecular FrameworkAliphatic acyclic compounds
Substituents Trialkylheterosilane - Silyl ether - Organic metalloid salt - Organic oxygen compound - Hydrocarbon derivative - Organic salt - Organooxygen compound - Organochloride - Organohalogen compound - Alkyl halide - Alkyl chloride - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as trialkylheterosilanes. These are organoheterosilanes, bearing a silicon atom linked to three alkyl groups and one heteroatom.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

4 results found

Lot NumberCertificate TypeDateItem
D2607074Certificate of AnalysisApr 17, 2026 C191682
B2323531Certificate of AnalysisDec 10, 2022 C191682
L2220348Certificate of AnalysisDec 10, 2022 C191682
L2220436Certificate of AnalysisDec 10, 2022 C191682
Chemical and Physical Properties
SensitivityMoisture sensitive;heat sensitive
x_refractive_index1.4310
x_flash_point_drop_fahrenheit80.6 °F(lit.)
x_flash_point_drop_centigrade16.0±12.0 °C
x_boil_point_char122.2°C
Molecular Weight138.670 g/mol
XLogP3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count1
Rotatable Bond Count2
Exact Mass138.027 Da
Monoisotopic Mass138.027 Da
Topological Polar Surface Area9.200 Ų
Heavy Atom Count7
Formal Charge0
Complexity55.700
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Solution Calculators
Reviews

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