Description

Tetraethyl Orthocarbonate is a versatile organosilicon precursor and a key reagent in organic synthesis. Its primary value lies in its ability to act as a protected form of orthocarbonic acid, enabling controlled reactions in the formation of complex molecules. This high-purity chemical is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors, where it serves as a critical building block for active ingredients and specialty polymers.

Application

• Pharmaceutical Synthesis: A crucial intermediate in the production of various active pharmaceutical ingredients (APIs), particularly those requiring specific carbon frameworks.
• Agrochemical Manufacturing: Used in the synthesis of advanced pesticides, herbicides, and plant growth regulators.
• Polymer & Material Science: Serves as a cross-linking agent and monomer in the development of specialty resins, coatings, and silicon-based polymers.
• Organic Synthesis Reagent: Employed as a protecting group for carbonyl compounds and in the synthesis of heterocycles, esters, and ethers under mild conditions.
• Chemical Research & Development: A valuable tool for academic and industrial R&D labs exploring new synthetic pathways and novel compounds.
• Electronics Industry: Potential use in the deposition of silicon-containing thin films for semiconductor applications.

Basic Information

Product Name	Tetraethyl Orthocarbonate
CAS No.	78-09-1
Molecular Formula	C9H20O4
Molecular Weight	192.25 g/mol
Synonyms	Ethyl Orthocarbonate; Tetraethoxymethane; Orthocarbonic Acid, Tetraethyl Ester; Tetraethyl Methanetetrayl Tetrakis(olate); 1,1',1'',1'''-(Methanetetrayltetrakis(oxy))tetrakis(ethane); TEOC
EINECS	201-082-3

Quality Control

Our Tetraethyl Orthocarbonate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including GC, HPLC, and NMR, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); ensure containers are kept tightly sealed to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.390 - 1.395
Density (20°C)	0.92 - 0.96 g/mL

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.