... acid or methylene succinic acid 1. Properties Itaconic acid or methylene succinic acid MW: 130.1; MF: C5H6O4; Structural Formula:2. Usage (1).Itaconic acid ... to reduce bacteria contamination. (4).Esters of itaconic acid can be used in paint, ion-exchange resin, ... plasticizer, sealant and molding plastics. (5)Some other itaconic acid derivatives are used in medicine, cosmetics, lubricant, thickener, ...