(4-Chlorophenyl)triethoxysilane - ≥95% , CAS No.21700-74-3

CAS: 21700-74-3 Cat. No.: C331178 Molecular Weight: 274.82
AVAILABLE TO ORDER
GRADE & PURITY ≥95%
Synonyms
(4-Chlorophenyl)(triethoxy)silane # | (P-CHLOROPHENYL)TRIETHOXYSILANE | SILANE, (P-CHLOROPHENYL)TRIETHOXY- | ETHYL1-METHYLBICYCLO[2.2.2]OCTANE-2-CARBOXYLATE | TRIETHOXY(P-CHLOROPHENYL)SILANE | TRIETHOXY(4-CHLOROPHENYL)SILANE | 4-chlorophenyl triethoxysila
Storage
Room temperature,Argon charged
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
1g
C331178-1g
3
$114.90
5g
C331178-5g
1
$367.90
25g
C331178-25g
1
$1,112.90
Enter a quantity for the sizes you want to add.
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Why this grade

≥95% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Room temperature,Argon charged Ships Normal Check lot-specific COA for exact specifications.

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Quality documents

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

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Literature proof

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

Overview

(4-Chlorophenyl)triethoxysilane is a nucleophile that can be utilized in Pd-catalyzed cross-coupling.


application:

(4-Chlorophenyl)triethoxysilane can be used:

To facilitate the connection between dipolar mixed monolayers and zinc oxide in photovoltaic devices.

As a substrate in the Ni-catalyzed decarboxylative coupling with alkynyl carboxylic acids to yield substituted diarylalkynes.

As a substrate in the Hiyama cross-coupling reactions with 3-iodoazetidines to yield substituted 3-arylazetidines.

As an intermediate in the synthesis of tripod-shaped oligo(p-phenylene)s, which are used in the surface immobilization of gold and CdS quantum dots for sensor applications.

Specifications

Synonyms
(4-Chlorophenyl)(triethoxy)silane # | (P-CHLOROPHENYL)TRIETHOXYSILANE | SILANE, (P-CHLOROPHENYL)TRIETHOXY- | ETHYL1-METHYLBICYCLO[2.2.2]OCTANE-2-CARBOXYLATE | TRIETHOXY(P-CHLOROPHENYL)SILANE | TRIETHOXY(4-CHLOROPHENYL)SILANE | 4-chlorophenyl triethoxysila
Specifications & Purity
≥95%
Storage
Room temperature, Argon charged
Shipped In
Normal
Purity
≥95%
Names and Identifiers
Pubchem Sid504755972
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504755972
Canonical SmilesCCO[Si](C1=CC=C(C=C1)Cl)(OCC)OCC
IUPAC Name(4-chlorophenyl)-triethoxysilane
InChIKeyAFILDYMJSTXBAR-UHFFFAOYSA-N
INCHI1S/C12H19ClO3Si/c1-4-14-17(15-5-2,16-6-3)12-9-7-11(13)8-10-12/h7-10H,4-6H2,1-3H3
Isomeric SMILES CCO[Si](C1=CC=C(C=C1)Cl)(OCC)OCC
WGK Germany 3
Molecular Weight 274.82
Reaxy-Rn 2943286
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=2943286&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.

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🔬 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 Alkoxysilanes
Direct ParentTrialkoxysilanes
Alternative Parents Chlorobenzenes  Aryl chlorides  Silyl ethers  Organoheterosilanes  Organic metalloid salts  Organooxygen compounds  Organochlorides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Trialkoxysilane - Chlorobenzene - Halobenzene - Aryl chloride - Aryl halide - Monocyclic benzene moiety - Benzenoid - Silyl ether - Organoheterosilane - Organic metalloid salt - Organic oxygen compound - Organohalogen compound - Organochloride - Organooxygen compound - Organic salt - Hydrocarbon derivative - Aromatic homomonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as trialkoxysilanes. These are organosilicon compounds with the general formula RO[Si](R')(OR'')OR''' (R-R''' = aliphatic organyl group).
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.

3 results found

Lot NumberCertificate TypeDateItem
H2206753Certificate of AnalysisMay 12, 2025 C331178
H2206754Certificate of AnalysisMay 12, 2025 C331178
H2206755Certificate of AnalysisMay 12, 2025 C331178
Chemical and Physical Properties
SensitivityMoisture sensitive
Flash Point(°F)>230 °F
Flash Point(°C)>110 °C
Boil Point(°C)82-84° C (lit.) at 0.07 mmHg
Molecular Weight274.810 g/mol
XLogP3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count3
Rotatable Bond Count7
Exact Mass274.079 Da
Monoisotopic Mass274.079 Da
Topological Polar Surface Area27.700 Ų
Heavy Atom Count17
Formal Charge0
Complexity191.000
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
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