Diethyl oxalate
CAS# 95-92-1

Diethyl oxalate, Promotion Season Now in Store and Free Sample for Testing with Factory Price
  • Chemical Name:Diethyl oxalate
  • CAS: 95-92-1
  • Molecular Fomula: C6H10O4
  • Molecular Weight: 146.14
  • Appearance: Colorless transparent liquid
  • Purity: 99%

Quality Control of Diethyl oxalate

Chemical Structure
Packing of Bretazenil

Description of Diethyl oxalate

Diethyl oxalate is a chemical used to pre-treat wood chips in order to refine and prepare them for further processing (such as obtaining wood pulp). Diethyl oxalate is also used as a starting material to synthesize Ethylene glycol by means of catalytic hydrogenation.

Basic Info of Bretazenil

Basic Info

Chemical Name

Diethyl oxalate


Ethanedioic acid, diethyl ester;oxalic diethyl ester;OXALIC ACID DIETHYL ESTER;Ethyl oxalate;diethyl ester of oxalic acid;Expand



Molecular Formula


Molecular Weight







Safety Info



Hazard Class


Safety Statements


HS Code


WGK Germany


Packing Group



UN 2525

Risk Statements

R22; R36

Hazard Codes




Appearance & Physical State




Boiling Point


Melting Point


Flash Point


Refractive Index


Water Solubility



Stable, but moisture sensitive. Incompatible with strong oxidizing agents.

Vapor Density

5.03 (vs air)

Vapor Pressure

1 mm Hg ( 47 °C)


Numbering system

EINECS number


MDL number



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What is Diethyl oxalate?

Part I: Introduction

With the development of science and technology and the progress of society, machinery, medicine, cosmetics, electronics, industry, and so on are all penetrating people’s daily life. One of these products is diethyl oxalate, which has developed particularly rapidly. Do you know what is diethyl oxalate?

The official answer: Diethyl oxalate, an organic compound, molecular formula C6H10O4. colorless oily liquid with aromatic odor; miscible in most organic solvents such as ethanol, ether, and ethyl acetate; relative density: 1.08 (water = 1); 5.04 (air = 1); stable; hazard mark 14 (drug); mainly used as a solvent, dye intermediate, and paint, drug synthesis. Synthesis.

How does diethyl oxalate work?

Part II: In-depth development

Washed with dilute sodium carbonate solution, dried over anhydrous potassium carbonate or sodium sulfate, and distilled under reduced pressure.

  1. Diethyl diacetate is mainly used in the pharmaceutical industry as an intermediate for phenobarbital, azathioprine, peroxisulfanilamide, sulfamethoxazole, carboxyphenyl ester penicillin, ethylphenoxybenzyl penicillin, chloroquine lactate, thiabendazole, and other drugs. It is also a plastic accelerator and dye intermediate. Also used as a solvent for cellulose esters and spices. Used as acetylene extractant and raw material for dyestuff, medicine, spices, etc.
  2. Diethyl ethanoate is often used as a substrate for nucleophilic reagents, mostly for the synthesis of α,γ-dicarbonyl esters [1~3], ketone compounds [4~9], heterocyclic compounds [10~13], etc.
  3. Used as a solvent, intermediate of dyestuff, and synthesis of paints and drugs.

Part III: Summary

Sincere to the customer and in good faith of quality is our forever followed motto. It’s the basement to be a human and do business. We take all responsibility for our products and service sincerely. We are a company integrating R&D, production, and sales. The design, research, and development of pharmaceutical intermediates including more than 330 kinds of pharmaceutical intermediates such as Anti-infectives, Cardiovascular and Cerebrovascular Systems, Digestive System, Santi-tumor, Nervous System, Geriatric Drugs, and Gynecological Drugs. At the same time, we have more than 4,000 factories in strategic cooperation with nearly 50,000 chemical products, so we can provide you with a one-stop purchasing service, which greatly saves customers’ procurement costs and time.


Sincere Chemical has been dedicated to the research and development of antidepressants and the reform of production processes for more than ten years and has achieved a number of continuous, large-scale, and intelligent manufacturing technologies for antidepressants and related fine chemicals with independent intellectual property rights.

With more than 10 automated production plants, the company produces hundreds of products in a wide range of industries, including more than 330 kinds of pharmaceutical intermediates such as Anti-infectives, Cardiovascular and Cerebrovascular Systems, Digestive systems, Santi-tumor, Nervous systems, Geriatric Drugs, and Gynecological Drugs. We welcome inquiries about our products and technical knowledge of bretazenil.

Hello, I’m Pew Ni, the chemical products one-stop solution expert.

Hi, I‘m Peter Ni, the founder of Sincere-Chem, I’ve been running a company in China that exporting chemicals, pharmaceuticals, and intermediates for over 70 countries now. And a range of 50,000 products with the best quality and competitive price to meet your different purchasing needs.

CEO Email:

CEO Phone Number:
+86-188-6575 9396

CEO WhatsApp:
+86-188-6575 9396

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United Kingdom Giles
United Kingdom Giles
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Peter has been my partner for many years, we met at the Shanghai CPHI Fair in 2014, for the first time I didn't have much interest in Peter's products because our company had a stable supplier. Although we didn't work together, Peter would often send me important news and interesting trend information about the industry, so we became good friends, even though I didn't place any orders with him during this time, even if it was a sample order. In September 2016, our original supplier was unable to provide us with the quality and delivery guarantees we needed, so I first thought of Peter and his company. Until now, we have maintained a very good personal friendship in addition to a steady business relationship.
India Shikhar
India Shikhar
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In all my years of sourcing from China, I first time to found that working with Sincere Chemical was so good, they helped me with all the production and delivery as well as a lot of technical expertise, which saved me a lot of time. When I first approached Peter for a quotation for Optical Brightener, he made me a detailed quotation with not only prices but also foreign trade details, company profile, company strengths, R&D capabilities, production capacity, packaging methods, raw material control, environmental protection, and much more. This information was a very important reference for me in making purchasing decisions. Sincere Chemical is a trustworthy supplier and I believe our business will grow from strength to strength!
Korea Kim
Korea Kim
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Hi, I'm Kim, I'm Peter's partner and although I don't like him very much (because he never gives me more money for my prices, hahaha) I'm still willing to write him customer feedback. As an international buyer, I have to deal with a lot of things every day and my inbox is often full of development letters. It's a lot of junk and meaningless pleasantries, which I don't like that much, but Peter's emails always give me a better understanding of the product and the industry. I am also very pleased with his work ethic, and I am very happy with his work every time I work with him, not only in providing quotations but also in facilitating all the details of my work so that I can concentrate more on other things, so he is the best supplier for me. Although his prices are not the lowest among all suppliers, his products give me the greatest peace of mind.
USA Franklin
USA Franklin
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Sincere Chemical team visited our USA factory in the year of 2017. We think highly of cooperation with them. We thanked you for the past excellent orders and best product quality. We also talked about some new products for future orders. We will be still in strategic cooperation in the future and help each other.
Canada Kate
Canada Kate
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I just got the product. The quality is awesome. I’m very happy. Hope to place soon a new order in your company. Also wish for our future business.
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Sincere Chemical is a reliable and professional company. Not only on exporting but also their professional team service. Their team gave us so many suggestions for our new project. We are really satisfied with their awesome service and best product quality. Sincere-Chem’s vendor code is 51465768 in our cooperated vendor list system.
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I have visited Sincere Chemical company in the year 2018. Their company can be considered as one of the most professional, customer-focused, and product quality-driven companies that I have worked with in recent years.
Brazil Aline
Brazil Aline
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We are a pharmaceutical products manufacturer in Brazil. I’m happy to cooperate with Sincere Chemical especially cooperate with Peter. Peter is patient and friendly. I’m satisfied with his 24*7 hours service. We are not only cooperators but also best friends with each other.
Mexico Gonzalo
Mexico Gonzalo
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Great service and very supportive. This is my first order and I feel fortunate to be with Peter and his company. Product received was the right good quality product, so my review is more related with the quality, service and shipment. Thank you for sending. next time I will order again. Good supplier...