Blog - Shanghai Douwin Chemical Co.,Ltd.

What Are the Preparation Methods of Maleic Anhydride? Aug 09-2021

I. Oxidation of benzene to maleic anhydrideAfter heating to a tubular catalytic reactor, benzene is mixed with air through a heat exchanger. The oxidation reaction is carried out under reaction condit...

Methods for Preparation of Phthalic Anhydride Jul 22-2021

1. Introduction to phthalic anhydridePhthalic anhydride, abbreviated as 1,3-isobenzofurandione, is a white solid, an important raw material in the chemical industry, especially used in the manufacture...

The Difference Between Maleic Anhydride and Succinic Anhydride Jul 15-2021

1. Introduction of Maleic AnhydrideMaleic anhydride is the anhydride of maleic acid. It is a sour colorless or white solid at room temperature. It is flaky with shapes of needles, rods, lumps or clust...

Properties and Stability of Maleic Anhydride Jul 08-2021

Ⅰ. Properties of maleic anhydrideThe molecular formula of maleic anhydride is C4H2O3 and the molecular weight is 98.06. Colorless crystal with strong irritating smell, freezing point 52.8℃, boiling ...

The Substance That Maleic Anhydride Decomposes at High Temperature Jul 01-2021

1. What is the substance that maleic anhydride decomposes at high temperature?Maleic anhydride decomposes at high temperatures, and releases carbon dioxide and a lot of heat. For high-purity substance...

Application and Introduction of Methylacrylate Jun 22-2021

Ⅰ. Overview of methylacrylateAcrylic ester is the general term for acrylic acid and its homologous esters, and its general chemical formula is CH2=CHCOOR. The molecular formula of acrylic acid is (CH...

Use of Methyl Ethyl Ketone Jun 15-2021

1. What is methyl ethyl ketone?Methyl ethyl ketone is a kind of chemical product, colorless and transparent liquid, with acetone-like smell, volatile, and miscible with ethanol, ether, benzene, chloro...

A Brief Introduction and Characteristics of Acrylic Acid Jun 08-2021

1. What is acrylic acid?Acrylic acid is an important organic synthesis raw material and synthetic resin monomer, and it is a vinyl monomer with a very fast polymerization rate. Acrylic acid is also kn...

The Main Uses of Acrylic Acid Jun 01-2021

Acrylic acid is an important organic synthesis raw material and synthetic resin monomer, and it is a vinyl monomer with a very fast polymerization rate. Most of them are used to make acrylates such as...

Emergency Treatment of Maleic Anhydride Leakage May 24-2021

I. Hazards of maleic anhydride1. Health hazardsRoute of invasion: inhalation, ingestion and skin absorption. The dust and vapor of the product are irritant. Inhalation can cause pharyngitis, laryngiti...