... pungent ordor. In open air it easily becomes. Into meleic acid which is rather corrosive. It dissolve in acetone, erher,ethyl ... acelate, etc.Usage:It used in production of unsaturated polyester resin. It also is used in coating, ... pharmaceutics, agricultural, surfactant, additive of plastics, etc. It is main material of binary acid with four carbons, 1,4-butanediol r ...