Triethoxymethylsilane - ≥98% , CAS No.2031-67-6

CAS: 2031-67-6 Cat. No.: T103634 Formula: C7H18O3Si Molecular Weight: 178.3 Beilstein Registry Number: 1742453 EC Number: 217-983-9 PubChem CID: 16241
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
MTES | Triethoxy(methyl)silane | Methyl triethoxysilane | Triethoxymethylsilane | Methyltriethoxysilane | Methaneorthosiliconic acid, triethyl ester | Silane, triethoxymethyl- | SILANE, METHYLTRIETHOXY- | Triethoxysilylmethane | Union carbide A-162
Storage
Room temperature,Argon charged,Desiccated
Shipped In
FedEx DG Service
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Size
Germany (EU)
USA*
Price
Qty
50ml
T103634-50ml
—
6 In stock
€12.06
100ml
T103634-100ml
—
3 In stock
€17.27
250ml
T103634-250ml
—
3 In stock
€34.62
500ml
T103634-500ml
—
In stock ≥10
€51.98
Enter a quantity for the sizes you want to add.
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Why this grade

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

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Storage & shipping

Room temperature,Argon charged,Desiccated Ships FedEx DG Service 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.

📚

Literature proof

Cited in 99 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

Triethoxymethylsilane is an organosilane that can be used to prepare:
An oxidizing catalyst known with excellent features such as selectivity, stability, and recyclability.
A hydrogel heterogeneous platinum catalyst applicable in the chemoselective hydrogenation of nitroarenes

Specifications

Synonyms
MTES | Triethoxy(methyl)silane | Methyl triethoxysilane | Triethoxymethylsilane | Methyltriethoxysilane | Methaneorthosiliconic acid, triethyl ester | Silane, triethoxymethyl- | SILANE, METHYLTRIETHOXY- | Triethoxysilylmethane | Union carbide A-162
Specifications & Purity
≥98%
Storage
Room temperature,Argon charged,Desiccated
Shipped In
FedEx DG Service
Purity
≥98%
Product Line
T103634-50ml
Names and Identifiers
Pubchem Sid
Pubchem Sid Url
https://pubchem.ncbi.nlm.nih.gov/substance/504752737
Canonical Smiles
CCO[Si](C)(OCC)OCC
IUPAC Name
triethoxy(methyl)silane
InChIKey
CPUDPFPXCZDNGI-UHFFFAOYSA-N
INCHI
1S/C7H18O3Si/c1-5-8-11(4,9-6-2)10-7-3/h5-7H2,1-4H3
Isomeric SMILES
CCO[Si](C)(OCC)OCC
WGK Germany
3
RTECS
VV4640000
PubChem CID
16241
UN Number
1993
Packing Group
III
Molecular Weight
178.3
Beilstein
1742453
Reaxy-Rn
1742453

Documentation

📋 Safety Data Sheet (SDS)

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

<<<<<<< HEAD Download SDS → ======= Download SDS → >>>>>>> release248-p3

✅ 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  Hydrocarbon derivatives  
Molecular FrameworkAliphatic acyclic compounds
Substituents Trialkoxysilane - Silyl ether - Organoheterosilane - Organic metalloid salt - Organic oxygen compound - Hydrocarbon derivative - Organic salt - Organooxygen compound - 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.

65 results found

Lot NumberCertificate TypeDateItem
J2619603J2619603Certificate of AnalysisOct 09, 2026 T103634
J2619602J2619602Certificate of AnalysisOct 09, 2026 T103634
I2604825I2604825Certificate of AnalysisAug 29, 2026 T103634
I2604824I2604824Certificate of AnalysisAug 29, 2026 T103634
I2604823I2604823Certificate of AnalysisAug 29, 2026 T103634
I2604822I2604822Certificate of AnalysisAug 29, 2026 T103634
I2604821I2604821Certificate of AnalysisAug 29, 2026 T103634
D2108004D2108004Certificate of AnalysisJul 14, 2026 T103634
G2607677G2607677Certificate of AnalysisJun 29, 2026 T103634
G2607704G2607704Certificate of AnalysisJun 29, 2026 T103634
G2607703G2607703Certificate of AnalysisJun 29, 2026 T103634
G2607681G2607681Certificate of AnalysisJun 29, 2026 T103634
G2607679G2607679Certificate of AnalysisJun 29, 2026 T103634
D2601287D2601287Certificate of AnalysisMar 20, 2026 T103634
D2601341D2601341Certificate of AnalysisMar 20, 2026 T103634
D2601288D2601288Certificate of AnalysisMar 20, 2026 T103634
D2601289D2601289Certificate of AnalysisMar 20, 2026 T103634
D2601361D2601361Certificate of AnalysisMar 20, 2026 T103634
L2501557L2501557Certificate of AnalysisNov 21, 2025 T103634
L2501558L2501558Certificate of AnalysisNov 21, 2025 T103634
L2501559L2501559Certificate of AnalysisNov 21, 2025 T103634
J2530696J2530696Certificate of AnalysisSep 29, 2025 T103634
J2530610J2530610Certificate of AnalysisSep 29, 2025 T103634
J2530609J2530609Certificate of AnalysisSep 29, 2025 T103634
J2530697J2530697Certificate of AnalysisSep 29, 2025 T103634
J2530698J2530698Certificate of AnalysisSep 29, 2025 T103634
H2505529H2505529Certificate of AnalysisJul 22, 2025 T103634
H2505587H2505587Certificate of AnalysisJul 22, 2025 T103634
H2505576H2505576Certificate of AnalysisJul 22, 2025 T103634
H2505575H2505575Certificate of AnalysisJul 22, 2025 T103634
H2505528H2505528Certificate of AnalysisJul 22, 2025 T103634
E2516702E2516702Certificate of AnalysisApr 16, 2025 T103634
E2516703E2516703Certificate of AnalysisApr 16, 2025 T103634
E2516704E2516704Certificate of AnalysisApr 16, 2025 T103634
E2516711E2516711Certificate of AnalysisApr 16, 2025 T103634
A2503614A2503614Certificate of AnalysisDec 21, 2024 T103634
A2503613A2503613Certificate of AnalysisDec 21, 2024 T103634
A2503590A2503590Certificate of AnalysisDec 21, 2024 T103634
A2503589A2503589Certificate of AnalysisDec 21, 2024 T103634
K2422528K2422528Certificate of AnalysisOct 31, 2024 T103634
K2422529K2422529Certificate of AnalysisOct 31, 2024 T103634
K2422531K2422531Certificate of AnalysisOct 31, 2024 T103634
K2422530K2422530Certificate of AnalysisOct 31, 2024 T103634
D2429405D2429405Certificate of AnalysisApr 17, 2024 T103634
K2407128K2407128Certificate of AnalysisApr 17, 2024 T103634
D2429407D2429407Certificate of AnalysisApr 17, 2024 T103634
D2429406D2429406Certificate of AnalysisApr 17, 2024 T103634
D2429402D2429402Certificate of AnalysisApr 17, 2024 T103634
D2429403D2429403Certificate of AnalysisApr 17, 2024 T103634
D2429404D2429404Certificate of AnalysisApr 17, 2024 T103634
A2203029A2203029Certificate of AnalysisOct 08, 2023 T103634
K2110733K2110733Certificate of AnalysisAug 02, 2023 T103634
B2303944B2303944Certificate of AnalysisFeb 09, 2023 T103634
D2108005D2108005Certificate of AnalysisJan 12, 2023 T103634
D2108013D2108013Certificate of AnalysisJan 12, 2023 T103634
K2202400K2202400Certificate of AnalysisNov 10, 2022 T103634
I2214609I2214609Certificate of AnalysisAug 01, 2022 T103634
I2214608I2214608Certificate of AnalysisAug 01, 2022 T103634
I2214605I2214605Certificate of AnalysisAug 01, 2022 T103634
F2316102F2316102Certificate of AnalysisAug 01, 2022 T103634
F2316098F2316098Certificate of AnalysisAug 01, 2022 T103634
F2316096F2316096Certificate of AnalysisAug 01, 2022 T103634
A2429420A2429420Certificate of AnalysisAug 01, 2022 T103634
F2316093F2316093Certificate of AnalysisAug 01, 2022 T103634
B2328329B2328329Certificate of AnalysisDec 06, 2021 T103634
Chemical and Physical Properties
SolubilitySolubility in water: insoluble;Solubility in other solvents: soluble in most common organic solvents
SensitivityMoisture Sensitive
x_refractive_index1.3835
x_flash_point_drop_centigrade23 °C
x_boil_point_char141-143 °C
Molecular Weight178.300 g/mol
XLogP3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count3
Rotatable Bond Count6
Exact Mass178.103 Da
Monoisotopic Mass178.103 Da
Topological Polar Surface Area27.700 Ų
Heavy Atom Count11
Formal Charge0
Complexity80.700
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
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Citations of This Product
Solution Calculators
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