nvp n vinyl pyrrolidone solvent

                                  1-Vinyl-2-Pyrrolidone organic solvent for ink

Chemical description  

--N-Vinyl-2-pyrrolidone (abbr. NVP )

CAS NO. 88-12-0

Molecular and Structural Formula  C₆H₉NO

Characteristics 

--A colorless to slightly yellowish transparent liquid ;

--Soluble in water and a variety of organic solvents ;

--Reactive and susceptible to hydrolyzation  and polymerization ;

Specification 

--Purity                           99.8% min

--Density (g/ml)             1.03-1.04

--Water                           0.1% max

--2-pyrrolidone               0.05%max 

--freezing point (℃)       13.0-14.0

--color ,APHA                  40 max 

-- Packed in 200 kg net galvanized iron drum ;

-- Stored away from sunlight and high temperature ;

--To avoid self-polymerization , a faint amount of inhibitor is normally added into NVP ;

N-Vinyl-2-pyrrolidone