Blog - Shanghai Douwin Chemical Co.,Ltd.

Chemical Properties and Application Fields of Butanone Sep 23-2021

Butanone is a colorless and transparent liquid at room temperature, with the smell of acetone. It is an excellent solvent with low boiling point, soluble in water and organic solvents such as ethanol,...

Uses and Hazards of Acrylamide Sep 16-2021

Acrylamide is the raw material for the production of polyacrylamide. Uses of acrylamide: water purification treatment, pulp processing and internal coating of pipelines, etc. The following are the use...

Production Process of Methyl Ethyl Ketone Sep 09-2021

1. Brief description of the process of methyl ethyl ketoneThe total production process of methyl ethyl ketone can be divided into two parts: sec-butanol synthesis and refining; methyl ethyl ketone syn...

Industrial Production and Use of Phthalic Acid Sep 02-2021

Phthalic anhydride is an organic compound, which is a cyclic anhydride formed by the dehydration of phthalic acid molecules. Phthalic anhydride is a white solid, an important raw material in the chemi...

Method of Producing Phthalic Anhydride and Its Recovery Process Aug 23-2021

1. Method of producing phthalic anhydridePhthalic anhydride is an important chemical raw material. The current methods for producing phthalic anhydride mainly include naphthalene oxidation and o-xylen...

What Products Are Maleic Anhydride Used As a Raw Material For? Aug 16-2021

1. What are the uses of maleic anhydride?Maleic anhydride, colorless crystal with strong irritating odor, freezing point 52.8℃, boiling point 202℃, easy to sublimate. It is mainly made from the oxid...

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 ...