Description
Physical character:
Colorless or buff in room temperature transparent liquid¬
Less smell, can dissolve in water and many organic solvent,
Easy to hydrolyze and polymerize.
Specification:
Appearance: Colorless liquid
Assay: *9.0% min
A-pyrrolidone: 0.2% max
Water: 0.2% max
Color: *0 max
Density: 1.***1.*4 g/ml
Crystalation point: ****4C
Remark:
1. Dissolve in water, carbinol, ethyl acetate, ethanol, methylene
chloride and hydrocarbon.
2. Store in obturation, photophygous, low temperature¬ Neutral or
alkalescence condition.
3. NVP is moderate poisonous, less smell, causticity to rubber and
leather. Don't splash into eyes or touch skin.
4. When toss, store too long or photoelectricity irradiation, NPV
can half-polymerize. So you should distil before use preventing
polymerize.
