3-Chloropropyltriethoxysilane - ≥98% , CAS No.5089-70-3

CAS: 5089-70-3 Cat. No.: C101383 Formula: C9H21ClO3Si Molecular Weight: 240.8 Beilstein Registry Number: 1754992 EC Number: 225-805-6
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
triethoxy-(3-chloro-propyl)-silane | TRIETHOXY(3-CHLOROPROPYL)SILANE | Triethoxy chloropropyl silane | 3-(Triethoxysilyl)propyl Chloride | DTXCID909267 | J203.292I | triethxoxy(3-chloropropyl)silane | S04650 | 3-chloro-1-propyltriethoxysilane | triethoxys
Storage
Room temperature,Argon charged
Shipped In
Normal
★
Size
Germany (EU)
USA*
Price
Qty
25ml
C101383-25ml
—
3 In stock
€17.27
100ml
C101383-100ml
—
In stock ≥10
€43.30
500ml
C101383-500ml
—
2 In stock
€130.07
Enter a quantity for the sizes you want to add.
🧪
Why this grade

≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature,Argon charged Ships Normal 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 73 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
triethoxy-(3-chloro-propyl)-silane | TRIETHOXY(3-CHLOROPROPYL)SILANE | Triethoxy chloropropyl silane | 3-(Triethoxysilyl)propyl Chloride | DTXCID909267 | J203.292I | triethxoxy(3-chloropropyl)silane | S04650 | 3-chloro-1-propyltriethoxysilane | triethoxys
Specifications & Purity
≥98%
Storage
Room temperature,Argon charged
Shipped In
Normal
Purity
≥98%
Names and Identifiers
Pubchem Sid504755313
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504755313
Canonical SmilesCCO[Si](CCCCl)(OCC)OCC
IUPAC Name3-chloropropyl(triethoxy)silane
InChIKeyKSCAZPYHLGGNPZ-UHFFFAOYSA-N
INCHI1S/C9H21ClO3Si/c1-4-11-14(12-5-2,13-6-3)9-7-8-10/h4-9H2,1-3H3
Isomeric SMILES CCO[Si](CCCCl)(OCC)OCC
WGK Germany 3
Molecular Weight 240.8
Beilstein 1754992
Reaxy-Rn 1754992
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1754992&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 Alkoxysilanes
Direct ParentTrialkoxysilanes
Alternative Parents Silyl ethers  Organoheterosilanes  Organic metalloid salts  Organooxygen compounds  Organochlorides  Hydrocarbon derivatives  Alkyl chlorides  
Molecular FrameworkAliphatic acyclic compounds
Substituents Trialkoxysilane - Silyl ether - Organoheterosilane - 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 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.

21 results found

Lot NumberCertificate TypeDateItem
C2626267Certificate of AnalysisMar 10, 2026 C101383
C2626268Certificate of AnalysisMar 10, 2026 C101383
C2626269Certificate of AnalysisMar 10, 2026 C101383
D2407082Certificate of AnalysisJan 19, 2026 C101383
L2522038Certificate of AnalysisDec 31, 2025 C101383
L2503052Certificate of AnalysisDec 10, 2025 C101383
C2228064Certificate of AnalysisOct 11, 2025 C101383
C2228068Certificate of AnalysisOct 11, 2025 C101383
I2512028Certificate of AnalysisSep 22, 2025 C101383
G2503054Certificate of AnalysisJul 12, 2025 C101383
I2525013Certificate of AnalysisJul 12, 2025 C101383
K2216388Certificate of AnalysisAug 23, 2024 C101383
K2216389Certificate of AnalysisAug 23, 2024 C101383
K2216387Certificate of AnalysisAug 13, 2024 C101383
J2021049Certificate of AnalysisMay 11, 2024 C101383
J2021048Certificate of AnalysisMay 11, 2024 C101383
H1829025Certificate of AnalysisFeb 28, 2024 C101383
C2228074Certificate of AnalysisJan 08, 2024 C101383
I2412075Certificate of AnalysisJan 08, 2024 C101383
K2216386Certificate of AnalysisJul 22, 2022 C101383
A2418037Certificate of AnalysisJul 22, 2022 C101383
Chemical and Physical Properties
SensitivityMoisture sensitive
x_refractive_index1.42
x_flash_point_drop_centigrade37 °C
x_boil_point_char102 °C/10 mmHg
Molecular Weight240.800 g/mol
XLogP3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count3
Rotatable Bond Count9
Exact Mass240.095 Da
Monoisotopic Mass240.095 Da
Topological Polar Surface Area27.700 Ų
Heavy Atom Count14
Formal Charge0
Complexity118.000
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
FAQs and Articles
Citations of This Product
Solution Calculators
Reviews

Customer Reviews

Frequently Asked Questions

What is the purity of this product?
This product is supplied at ≥98% purity (chemical assay). Lot-specific values are stated on the Certificate of Analysis.
How should this product be stored?
Store at room temperature under argon. It is supplied under an argon blanket; reseal under inert gas after each use.
How is this product shipped?
This product ships under standard ambient conditions. No temperature-controlled packaging is required.
What are the CAS number, molecular formula and molecular weight?
The CAS Number is 5089-70-3, the molecular formula is C9H21ClO3Si, and the molecular weight is 240.8 g/mol. InChIKey KSCAZPYHLGGNPZ-UHFFFAOYSA-N.
What documentation is provided?
Available product documentation, including Certificates of Analysis (COA), Safety Data Sheets (SDS), and specification sheets, is shown in the product document area. Document availability and access follow the current site policy.

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