Trimethoxyphenylsilane - ≥95% , CAS No.2996-92-1

CAS: 2996-92-1 Cat. No.: T118549 Formula: C9H14O3Si Molecular Weight: 198.29 Beilstein Registry Number: 2937896 EC Number: 221-066-9 PubChem CID: 18137
AVAILABLE TO ORDER
GRADE & PURITY ≥95%
Synonyms
21TQE746S9 | DTXSID5040700 | EINECS 221-066-9 | NCGC00164032-01 | phenyl trimethoxy silane | Trimethoxyphenylsilane | UNII-21TQE746S9 | C9H14O3Si | InChI=1/C9H14O3Si/c1-10-13(11-2,12-3)9-7-5-4-6-8-9/h4-8H,1-3H | MFCD00025689 | NSC 93925 | CP0330 | NCGC002
Storage
Room temperature
Shipped In
Normal
★
Size
Germany (EU)
USA*
Price
Qty
25ml
T118549-25ml
—
3 In stock
€8.59
100ml
T118549-100ml
—
4 In stock
€25.08
500ml
T118549-500ml
—
7 In stock
€88.42
Enter a quantity for the sizes you want to add.
🧪
Why this grade

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

🌡

Storage & shipping

Room temperature 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 45 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

An organosilicate compound for nanoelectronics and material science research.

Specifications

Synonyms
21TQE746S9 | DTXSID5040700 | EINECS 221-066-9 | NCGC00164032-01 | phenyl trimethoxy silane | Trimethoxyphenylsilane | UNII-21TQE746S9 | C9H14O3Si | InChI=1/C9H14O3Si/c1-10-13(11-2,12-3)9-7-5-4-6-8-9/h4-8H,1-3H | MFCD00025689 | NSC 93925 | CP0330 | NCGC002
Specifications & Purity
≥95%
Storage
Room temperature
Shipped In
Normal
Purity
≥95%
Names and Identifiers
Pubchem Sid
Pubchem Sid Url
https://pubchem.ncbi.nlm.nih.gov/substance/488182439
Canonical Smiles
CO[Si](C1=CC=CC=C1)(OC)OC
IUPAC Name
trimethoxy(phenyl)silane
InChIKey
ZNOCGWVLWPVKAO-UHFFFAOYSA-N
INCHI
1S/C9H14O3Si/c1-10-13(11-2,12-3)9-7-5-4-6-8-9/h4-8H,1-3H3
Isomeric SMILES
CO[Si](C1=CC=CC=C1)(OC)OC
WGK Germany
3
RTECS
VV5252000
PubChem CID
18137
Molecular Weight
198.29
Beilstein
2937896

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 Benzene and substituted derivatives  Silyl ethers  Organoheterosilanes  Organic metalloid salts  Organooxygen compounds  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Trialkoxysilane - Benzenoid - Monocyclic benzene moiety - Silyl ether - Organoheterosilane - Organic metalloid salt - Organic oxygen compound - Hydrocarbon derivative - Organic salt - Organooxygen compound - 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





Mechanisms of Action
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.

28 results found

Lot NumberCertificate TypeDateItem
J2616700Certificate of AnalysisOct 20, 2026 T118549
J2616702Certificate of AnalysisOct 20, 2026 T118549
J2616701Certificate of AnalysisOct 20, 2026 T118549
B2306830Certificate of AnalysisJul 30, 2026 T118549
E2608734Certificate of AnalysisMay 12, 2026 T118549
E2608735Certificate of AnalysisMay 12, 2026 T118549
E2608736Certificate of AnalysisMay 12, 2026 T118549
B2606122Certificate of AnalysisMar 05, 2026 T118549
B2606123Certificate of AnalysisMar 05, 2026 T118549
C2412519Certificate of AnalysisDec 12, 2025 T118549
C2412520Certificate of AnalysisDec 12, 2025 T118549
H2512473Certificate of AnalysisAug 23, 2025 T118549
G2521040Certificate of AnalysisJul 31, 2025 T118549
D2502451Certificate of AnalysisApr 03, 2025 T118549
C2511673Certificate of AnalysisMar 15, 2025 T118549
C2511672Certificate of AnalysisMar 15, 2025 T118549
F23021197Certificate of AnalysisMar 04, 2025 T118549
K2411377Certificate of AnalysisJul 27, 2024 T118549
K2411368Certificate of AnalysisJul 27, 2024 T118549
K2411369Certificate of AnalysisJul 27, 2024 T118549
H2209669Certificate of AnalysisMay 14, 2024 T118549
H2209668Certificate of AnalysisMay 14, 2024 T118549
G2405038Certificate of AnalysisApr 07, 2024 T118549
H2109404Certificate of AnalysisMay 10, 2023 T118549
C1703042Certificate of AnalysisAug 08, 2022 T118549
A2213482Certificate of AnalysisJan 24, 2022 T118549
A2213522Certificate of AnalysisJan 22, 2022 T118549
A2213515Certificate of AnalysisJan 22, 2022 T118549
Chemical and Physical Properties
SensitivityMoisture sensitive.
x_refractive_index1.468
x_flash_point_drop_fahrenheit84.2 °F
x_flash_point_drop_centigrade183 °F
x_boil_point_char233°C
x_melt_point_char-25 °C
Molecular Weight198.290 g/mol
XLogP3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count3
Rotatable Bond Count4
Exact Mass198.071 Da
Monoisotopic Mass198.071 Da
Topological Polar Surface Area27.700 Ų
Heavy Atom Count13
Formal Charge0
Complexity134.000
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
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Preparation Methods and Precautions for Silane Coupling Agent Primer Solutions
Which Fillers and Substrates Are Suitable for Silane Coupling Agents: Surface Hydroxyls, Interfacial Bonding, and Experimental Verification
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Structure–Property Relationship of Silicone Resins: Mechanisms of Heat Resistance, Weatherability, Hydrophobicity, and Coating Performance Analysis
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When Should You Choose Silicone Resin? Selection Comparison with Epoxy, Acrylic, Polyurethane, Fluororesin, and Other Coating Resins
What Is Silica Sol: Mechanism of Action, Application Scenarios, and Selection Criteria for Nanosilica Dispersions
Citations of This Product
Solution Calculators
Reviews

Customer Reviews

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