Cas no 78-09-1 (Tetraethoxymethane)

Tetraethoxymethane, also known as ethyl orthocarbonate, is a colorless liquid with the molecular formula C?H??O?. It is primarily used as a crosslinking agent and intermediate in organic synthesis, particularly in the production of silicones, resins, and specialty polymers. The compound’s tetrafunctional ethoxy groups enable efficient condensation reactions, enhancing material stability and performance. Its high purity and reactivity make it valuable in applications requiring precise molecular control, such as coatings, adhesives, and electronic materials. Tetraethoxymethane is also noted for its compatibility with sol-gel processes, facilitating the synthesis of advanced inorganic-organic hybrid materials. Proper handling under inert conditions is recommended due to its sensitivity to moisture.
Tetraethoxymethane structure
Tetraethoxymethane structure
Product Name:Tetraethoxymethane
CAS No:78-09-1
MF:C9H20O4
MW:192.252703666687
MDL:MFCD00009221
CID:34105
PubChem ID:66213
Update Time:2025-11-02

Tetraethoxymethane Chemical and Physical Properties

Names and Identifiers

    • Tetraethyl orthocarbonate
    • Tetraethoxymethane
    • (triethoxymethoxy)ethane
    • triethoxymethoxyethane
    • Ethane, 1,1',1'',1'''-[methanetetrayltetrakis(oxy)]tetrakis-
    • CWLNAJYDRSIKJS-UHFFFAOYSA-N
    • orthocarbonic acid tetraethyl ester
    • Orthocarbonic acid, tetraethyl ester
    • Tetraethylorthocarbonate
    • W2P2570012
    • Ethane, 1,1',1'',1'''-(methanetetrayltetrakis(oxy))tetrakis-
    • TetraethyI orthocarbonate
    • Tetra ethyl orthocarbonate
    • 1-(Triethoxymethoxy)ethane
    • SCHEM
    • Ethane, 1,1',1'',1'''-[methanetetrayltetrakis( oxy)]tetrakis-
    • A839334
    • 78-09-1
    • 1,1',1'',1'''-[Methanetetrayltetrakis(oxy)]tetrakis-ethane
    • AKOS015961970
    • BCP25780
    • TetraethylOrthocarbonate-d20
    • MFCD00009221
    • Ethane,1',1'',1'''-[methanetetrayltetrakis(oxy)]tetrakis-
    • EINECS 201-082-2
    • UNII-W2P2570012
    • Q15632766
    • SCHEMBL46525
    • 1216440-54-8
    • triethoxymethoxyethane;Tetraethyl orthocarbonate
    • T1107
    • Tetraethyl orthocarbonate, 97%
    • Tetraethyl orthocarbonate, purum, >=97.0% (GC)
    • EN300-99955
    • 1-(Triethoxymethoxy)ethane #
    • STL185702
    • CWLNAJYDRSIKJS-UHFFFAOYSA-
    • NSC-28574
    • AMY25780
    • FT-0631340
    • AS-11968
    • DTXSID1075278
    • CS-0031801
    • Z1255485408
    • NSC28574
    • triethoxymethoxy-ethane
    • W-104288
    • NSC 28574
    • InChI=1/C9H20O4/c1-5-10-9(11-6-2,12-7-3)13-8-4/h5-8H2,1-4H3
    • NS00041010
    • 1,1',1'',1'''-[Methanetetrayltetrakis(oxy)]tetrakis-ethane; Orthocarbonic Acid Tetraethyl Ester; NSC 28574; Tetraethyl Orthocarbonate
    • DB-056283
    • DTXCID1048097
    • 201-082-2
    • FT38792
    • MDL: MFCD00009221
    • Inchi: 1S/C9H20O4/c1-5-10-9(11-6-2,12-7-3)13-8-4/h5-8H2,1-4H3
    • InChI Key: CWLNAJYDRSIKJS-UHFFFAOYSA-N
    • SMILES: O(CC)C(OCC)(OCC)OCC
    • BRN: 1747401

Computed Properties

  • Exact Mass: 192.13600
  • Monoisotopic Mass: 192.13615911g/mol
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 0
  • Hydrogen Bond Acceptor Count: 4
  • Heavy Atom Count: 13
  • Rotatable Bond Count: 8
  • Complexity: 86.7
  • Covalently-Bonded Unit Count: 1
  • Defined Atom Stereocenter Count: 0
  • Undefined Atom Stereocenter Count : 0
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • Topological Polar Surface Area: 36.9
  • XLogP3: 1.3

Experimental Properties

  • Color/Form: Colorless ether like liquid
  • Density: 0.919?g/mL?at 25?°C(lit.)
  • Boiling Point: 160°C
  • Flash Point: Degrees Fahrenheit:127.4°F
    Degrees Celsius:53°C
  • Refractive Index: n20/D 1.392(lit.)
  • Water Partition Coefficient: Insoluble
  • PSA: 36.92000
  • LogP: 1.74370
  • Sensitiveness: Moisture Sensitive
  • Solubility: Insoluble in water, soluble in ethanol and ether

Tetraethoxymethane Security Information

Tetraethoxymethane Customs Data

  • HS CODE:29209010
  • Customs Data:

    China Customs Code:

    29209010

Tetraethoxymethane Pricemore >>

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Tetraethoxymethane Production Method

Tetraethoxymethane Suppliers

Suzhou Senfeida Chemical Co., Ltd
Gold Member
Audited Supplier Audited Supplier
(CAS:78-09-1)Tetraethyl orthocarbonate
Order Number:sfd10489
Stock Status:in Stock
Quantity:200kg
Purity:99.9%
Pricing Information Last Updated:Friday, 19 July 2024 14:35
Price ($):discuss personally
Tiancheng Chemical (Jiangsu) Co., Ltd
Gold Member
Audited Supplier Audited Supplier
(CAS:78-09-1)四乙氧基甲烷
Order Number:LE5736037
Stock Status:in Stock
Quantity:25KG,200KG,1000KG
Purity:99%
Pricing Information Last Updated:Friday, 20 June 2025 12:45
Price ($):discuss personally
Shandong Jing Kun Chemical Co.,Ltd.
Gold Member
Audited Supplier Audited Supplier
(CAS:78-09-1)Tetraethoxymethane
Order Number:C00081
Stock Status:please consult
Quantity:50kg
Purity:98%-99%
Pricing Information Last Updated:Tuesday, 30 December 2025 14:59
Price ($):Inquiry

Additional information on Tetraethoxymethane

Comprehensive Guide to Tetraethoxymethane (CAS No. 78-09-1): Properties, Applications, and Industry Insights

Tetraethoxymethane, also known as ethyl orthocarbonate (CAS No. 78-09-1), is a versatile organic compound with the molecular formula C9H20O4. This colorless liquid is widely recognized for its role as a crosslinking agent and solvent in industrial applications. Its unique tetrahedral structure, featuring four ethoxy groups bonded to a central carbon atom, makes it a valuable intermediate in organic synthesis and material science.

In recent years, the demand for high-performance additives like Tetraethoxymethane has surged due to advancements in polymer chemistry and green manufacturing. Researchers frequently search for "Tetraethoxymethane solubility," "CAS 78-09-1 safety data," or "ethyl orthocarbonate synthesis," reflecting growing interest in its physicochemical properties and sustainable production methods. The compound’s hydrolytic stability and ability to form ceramic precursors have also made it relevant in nanotechnology applications.

One of the most notable applications of Tetraethoxymethane is in the production of specialty coatings. Its ability to undergo sol-gel polymerization enables the creation of thin, durable films used in optical devices and protective layers. Industry reports highlight its compatibility with hybrid organic-inorganic materials, a trending topic in advanced material science. Users often inquire about "Tetraethoxymethane vs. tetramethoxysilane" for comparative performance analysis.

From an environmental perspective, Tetraethoxymethane aligns with the green chemistry movement due to its low toxicity profile compared to traditional halogenated solvents. Queries like "biodegradability of CAS 78-09-1" or "eco-friendly alternatives to orthocarbonates" indicate shifting market priorities. Manufacturers now emphasize its use in water-based formulations, addressing regulatory pressures and consumer demand for sustainable chemicals.

In the pharmaceutical sector, Tetraethoxymethane serves as a protecting group reagent for sensitive functional groups during multi-step syntheses. Its role in peptide coupling and drug delivery systems has been explored in recent patents, sparking searches for "pharmaceutical-grade ethyl orthocarbonate." The compound’s high purity requirements (≥99%) make it critical for GMP-compliant processes.

Emerging research explores Tetraethoxymethane’s potential in energy storage, particularly as a precursor for lithium-ion battery electrolytes. This aligns with global interest in "next-generation battery materials" and "electrolyte additives for improved conductivity." Its thermal stability (>200°C) and dielectric properties make it suitable for high-temperature applications in electronics.

For quality control purposes, analytical techniques like GC-MS and FTIR spectroscopy are essential to verify the purity of Tetraethoxymethane. Laboratories frequently search for "CAS 78-09-1 analytical standards" or "spectral data for ethyl orthocarbonate," underscoring the need for reliable characterization methods. The compound’s distinct 13C NMR signature (δ 58 ppm for central carbon) aids in identification.

Market analysts project steady growth for Tetraethoxymethane due to expanding applications in 3D printing resins and aerospace composites. Its compatibility with UV-curable systems meets the demand for rapid prototyping materials. Strategic partnerships between chemical suppliers and advanced manufacturing firms are driving innovation, particularly in tailored molecular architectures for specific performance metrics.

Recommended suppliers
Suzhou Senfeida Chemical Co., Ltd
(CAS:78-09-1)Tetraethyl orthocarbonate
sfd10489
Purity:99.9%
Quantity:200kg
Price ($):Inquiry
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Tiancheng Chemical (Jiangsu) Co., Ltd
(CAS:78-09-1)四乙氧基甲烷
LE5736037
Purity:99%
Quantity:25KG,200KG,1000KG
Price ($):Inquiry
Email