1-Methyl-2-pyrrolidone
1.500ml/bag
2. Electronic grade
3. Used in lithium ion battery, fiber.
1-Methyl-2-pyrrolidone; N-Methyl-2-Pyrrolidone; N-Methyl Pyrrolidone(NMP) CAS NO.: 872-50-4
SPECIFICATION:
N-Methyl Pyrrolidone(NMP)
Chemical name: N-Methyl pyrrolidone; 1-Methyl-2-pyrrolidone; N-Methyl-2-Pyrrolidone
CAS NO.: 872-50-4
Characteristics:
Molecular formula:
C5H9NO
Molecular weight:
99.134
Structural formula:

Refractive index: (nD20)
1.465-1.475
Melting point:
-23.6º C
Boiling point:
202° C
Ignition temperature
245° C
Dynamic at (20º C, mPas)

1.796

Properties:
Colourless transparent liquid, it has strong water absorption. It can almost dissolve in all the solvents(ethanol, aldehyde, ketone, aromatic hydrocarbon, etc).

Item

Micro-electronic grade
Electronic grade
Pharmaceutical grade
Industrial Grade
Purity %
≥
99.90
99.90
99.80
99.50
Moisture %
≤
0.01
0.02
0.030
0.050
Tone/APHA
≤

10
10
20
25
Density (20º C) g/ml

1.026-1.036
1.026-1.036
1.026-1.036
1.026-1.036
PH Value/ (20º C)50%
Flash point (closed cup) /20º C

≥
6.5-9.0
89
6.5-9.0
89
_
89
_
89
Uses:
As a high-selective polar solvent and nitrogen heterocycle compound, NMP has such advantages as non-toxicity, high boiling point, low corrosion, high solubility, low viscosity, low volatility and good stability and high selectivity.
(1) Micro-electronic grade: Liguid crystal display, Semiconductor
(2)Electronic grade: Mainly used in lithium batteries, fiber and other industries
(3)Pharmaceutical grade: Mainly used in pharmaceutical solvents, intermediates, etc
(4)Industry grade: Mainly used in petroleum extraction, pesticides, insulating paint, industrial cleaning, etc