He Fei Teng Chao Chemical Materials Co.Ltd.

Chemical name:N-Methyl-2-pyrrolidinone; N-Methyl-2-Pyrrolidone; N-Methylpyrrolidone; NMP

CAS:872-50-4
Characteristics:
Molecular formula: C5H9NO Molecular weight: 99.134
Structural formula:   Density(D420)g/ml: 1.028~1.033
Melting point: -23? Boiling point: 202?
Flash point: 95? Refractive index:nd20 1.465-1.470
Properties: it has strong water absorption. It can almost dissolve in all the solvents.

Uses:
As a high-selective solvent, NMP has such advantages as non-toxicity, high boiling point, low corrosion, high solubility, low viscosity, low volatility and good stability and easy to recovery. It is mainly used in the electronic industry in the following aspects:
(1) As solvent of poly(1,1-difluoro-Ethene); or electrode's accessory material of lithium ion battery.
(2)As remover liquid of photoresist; in the production of LCD materials;
(3)As solvent in pharmacy;
(4)Cleaning of precision instruments and circuit board
Specification:
Items  electronic grade
Unit  Testing method

Purity 99.90min
% GC
Moisture 0.02max
% Karl fischer method
Chroma 10max
APHA Colorimetry
Packing:galvanization drum/baking paint drum or plastic drum. Net weight is 200kg/drum; 1000l IBC;ISO Tank.
Storage and transportation:Store in cool and airy place; keep away from fire and heat; handle with care; avoid leakage