Micro-Electronic Grade 99.9% N-Methyl-Pyrrolidone (NMP) CAS No.: 872-50-4

• CAS No.: 872-50-4
• Formula: C5h9no
• EINECS: 212-828-1
• Type: Agrochemical Intermediates
• Appearance: Liquid
• Quality: Refined
• Model NO.: NMP
• Colour: Colorless
• Storage: Store at +5c to +30c
• Transport Package: 225kgs/Drum
• Specification: 99.9%
• Trademark: SH
• Origin: China
• HS Code: 2933199090
• Production Capacity: 50000mt/Year

Product Description

Micro-electronic grade 99.9% N-methyl-pyrrolidone (NMP) CAS NO.: 872-50-4
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; be hygroscopic and miscible with water in any ratio, and also miscible with alcohol, ether, aromatic hydrocarbons and other solvents.
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:
 

Items	Micro-electronic grade	Electronic grade	Battery grade
Purity (GC, wt%)	≥99.95	≥99.9	≥99.9
Water (K.F.,ppm)	≤100	≤200	≤200
Chroma (Hazen, APHA)	≤10	≤10	≤10
10% solution pH value	6-9	6-9	6-9
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)    K,Na,Ca,Zn,Mg,Cd,Pb,Cr,Hg,As,Ni,Sn,B,Si,Mn,Fe,Cu,Ag,Ti,Al,Li,Co,Au	≤10	≤20	/