High Purity 99%Min N-Methylpyrrolidone NMP CAS 872-50-4 S

• Type: Pharmaceutical Intermediates
• Appearance: Liquid
• Quality: Industrial
• Colour: Colorless
• CAS No.: 872-50-4
• Formula: C5h9no
• Model NO.: NMP
• Einecs: 212-828-1
• Specification: as required
• Trademark: as required
• Origin: China
• Production Capacity: 50000mt/Month

Product Description

N-methyl-pyrrolidone (NMP)
Chemical name: N-methy-lpyrrolidone;1- methyl-2-pyrrolidone;
 N-methyl-2-pyrrolidone
CAS NO.: 872-50-4
Molecular formula: C₅H₉NO
Character: colorless transparent liquid.

Application:
1. Micro-electronic grade: It is applicable to LCD, semiconductor, circuit boards, carbon nanotubes and other high-end microelectronic industry.
2.Electronic grade: It is applicable to such industries as aramid fiber, ultrafiltration membrane, OLED plate photoetching, glue etching and other industries.
3.Battery grade:It is applicable to lithium batteries and other industries.
4.Industrial grade: It is applicable to the acetylene concentration, butadiene extraction,electrical insulating materials, high-grade paints, pesticide adjuvants, inks, paints, indus-trial cleaning agent and other industries.

 

Specification and indicators

Items	Micro-electronic grade	Electronic grade	Battery grade	Industrial grade
Purity (GC, wt%)	≥99.95	≥99.9	≥99.9	≥99.8
Water (K.F.,ppm)	≤100	≤200	≤200	≤500
Chroma (Hazen, APHA)	≤10	≤10	≤10	≤30
10% solution pH value	6-9	6-9	6-9	6.5-10
free amine(ppm)	/	/	≤20	/
total amine (based on MMA, ppm)	≤15	≤20	≤30	/
Cl-,PO43-, SO42-(ppm)	≤0.02	≤0.02	/	/
NO3- (ppm)	≤0.01	≤0.01	/	/
Metal ion(ppb)	≤10	≤20	/	/