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NMP High purity grad N-Methyl-2-pyrrolidone


Specification


Item

Microelectronic

 grade

Electronic grade
Cell grade

Industrial

 grade

purity(GC,wt%)
>99.95
>99.9>99.9>99.8
Moisture(KF ppm)
<100
<200<200<500
colorness(Hazen)
<10<10<10<30
10% NaOH pH
6-9
6-96-96.5-10
Free amine(ppm)//<20/
total amine(ppm)
<15
<20<30/
Cl-, PO4-,SO4 2-<0.02
<0.02

NO3-
<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


Pakage: 200kg/drum  1000kg/IBC