Hydrolyzed Polymaleic Anhydride（HPMA）
Structural type
English name: HydrolyzedPolymaleicAnhydride (Hpma)
Molecular formula: C₄H₄O₄
CAS NO： 26099-09-02
Molecular weight: 116.07
Appearance: Light yellow to yellow solution
Density: 1.18
Solubility: methanol (slightly soluble), water (soluble）
Application: It can be used for scale inhibition in industrial circulating cooling water, oilfield water pipelines and boiler water. Flash evaporation desalination for scale removal and prevention. And it is used as a component of advanced cleaning agents. The general dosage is 1 to 5PPM.