... )≤0.2≤2.5Packing and Storage200kg/drum. Under the condition of neutrality or alkalinity, lower temperature, lightproof and airproof storage, ... pyrrolidone and mercapto pyrrolidone, and also as the dispersant agent for paper industry, dyeing assistant and oil paint additive. It is applied ... and color film producing. And it is also a kind of organic solvent with good behaviour, it dissolves with water, ...