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Dibasic Ester (DBE) CAS No.: 95481-62-29

Basic information: DBE is a dicarboxylate, usually a mixture of dimethyl succinate, dimethyl glutarate, and dimethyl adipate, also known as dimethyl succinate, dimethyl glutarate, dimethyl adipate, etc. Its formula is CH? O?C (CH?)?CO?CH? (n=2,3,4) and its molecular weight is about 480.5.
? Appearance: Colorless transparent liquid, boiling point 195-230 ° C, density 1.06-1.09g/cm³, flash point 99-100 ° C, melting point ≤-20 ° C, tasteless or slightly sweet.

95481-62-2 - Purpose

A divalent ester is an organic compound whose chemical structure contains two ester functional groups. With its special chemical properties, divalent esters have a wide range of applications.
Divalent esters can be used as solvents to dissolve, dilute and separate in chemical laboratories and industrial processes. Common divalent ester solvents include ethyl acetate, acetone and dimethyl sulfoxide.
Bivalent esters can also be used to synthesize reagents in chemical reactions. For example, ethyl acetate can be used as a catalyst for an esterification reaction that reacts an acid with an alcohol to form an ester compound. In addition, diethyl dicarbonate and dimethyl dicarbonate can be used as oxidants and catalysts in oxidation reactions.
Bivalent esters can also be used for protective group reactions in organic synthesis. In organic synthesis, it is sometimes necessary to protect some of the more reactive groups in order to prevent unexpected side reactions in the reaction. Divalent esters can be used as a common protective group, such as acetyl, benzoyl, etc., often used to protect functional groups such as alcohols, amines, and carboxylic acids.
Divalent esters can also be used in the polymer industry and coatings industry. Some divalent acid esters have good weather resistance and chemical resistance, and can be used to prepare waterproof coatings, corrosion resistant coatings and high temperature heat resistant polymers.

Usage: Widely used in coatings, paints, inks, adhesives, resins, plastic plasticizers and other fields, also used in agricultural chemicals, oil drilling fluids and so on.

95481-62-2 - Introduction
A divalent ester is a compound that contains two ester groups in its molecule.
Divalent esters have some of the following properties:
2. At room temperature, they are usually stable and not easily hydrolyzed or decomposed.
3. Divalent esters have low volatility and solubility and can be dissolved in many organic solvents.
4. They are flammable, easily react with oxygen, and can produce toxic fumes and gases.
Bivalent esters have a wide range of applications in many fields, including:
1. As a soluble additive, it is used in the manufacture of coatings, paints, varnishes and other coatings.
3. They can also be used as raw materials for plastics and synthetic fibers, such as polyester and polyvinylamide.
There are many ways to prepare bivalent esters, the most common of which is anhydride transesterification. In this reaction, an acid anhydride reacts with an alcohol to form an acid ester.

From a safety point of view, the use of divalent acid esters should pay attention to the following matters: 1. Divalent acid esters are irritating and corrosive, avoid direct contact with skin and eyes. 2. Avoid inhaling its steam or dust, and maintain good ventilation when using. 3. Divalent acid esters are flammable, should avoid contact with open flame or high temperature, and stored in a cool, dry place. 4. When using or handling divalent esters, wear safety gloves, goggles and protective clothing, and operate in accordance with relevant safety operating procedures.