1.N-Methyl-2-pyrrolidone 2..CAS:2687-44-7 3..EINECS:212-828-1 4..Appearance:Colorless transparent liquid 5.Application:This product is an important chemical raw materials, it is a selective strong and stability good polar solvent, and has a low toxicity, boiling point, high strength, no solvent flammable, biodegradability and can be recycled, use safety and apply to DuoZhong formula use, etc. In ...