background[3] steel is the most commonly used metal in our daily lives. especially with the advancement of industrialized society, human beings’…

overview[1] phthalic anhydride, referred to as phthalic anhydride, phthalic anhydride, 1,3-isobenzofurandione, english name: o-phthalic anhydride, eng…

overview o-nitrotoluene is also known as 2-nitrotoluene, 1-methyl-2-nitrobenzene, o-methylnitrobenzene, methyl-o-nitrobenzene, o-nitrotoluene, o-nitro…

background[1][2] p-toluidine is also known as p-aminotoluene. white shiny flake or leaf crystal. easily soluble in alcohol, ether, acetone, methanol, …

background[1][2] diphenylphosphine chloride (cdpp) is one of the important raw materials for the production of photoinitiator tpo. its synthesis is ob…

synthesis【1】 the alkylation process of benzene and ethylene was developed in the 1930s. it is carried out in the liquid phase in the presence of a fri…

purpose and usage【1】 benzil is an important organic chemical raw material and can be used in the synthesis of various drugs and photosensitizers, pest…

synthesis method【1】 diphenylmethane diisocyanate, mdi, generally has three isomers: diphenylmethane diisocyanate is mainly used in polyurethane resins…

background[1][2] 4-bromobenzoic acid, also known as p-bromobenzoic acid, is white or light pink crystal. 4-bromobenzoic acid is an important fine chem…

background[1][2] terephthalaldehyde is an important fine chemical raw material nstream of paraxylene. because there are two active aldehyde groups in …

background[1][2] the molecular formula of dichlorobenzene is c6h4cl2. there are three isomers: ortho, meta and para. usually mainly o- and p-dichlorob…