N-methyl pyrrolidone CAS: 872-50-4
1. Chemical name:N-Methylpyrrolidone; 1-Methyl-2-pyrrolidinone,
anhydrous; NMP; N-Methyl pyrrolidone; N-Methyl-2-pyrrolidone;
N-Methyl-2-pyrrolidinone; N-Methyl-pyrrolidon
2, CAS: 872-50-4
3. Molecular formula: C5H9NO
4. Molecular weight: 99.134
5. Structural formula:
6, Specific gravity ：1.03
7. Melting point: -23℃
8. Boiling point: 202℃
9. Flash point: 95℃
10, Refractive index (nd20）：1.465-1.475
Scope of application:
NMP is a highly efficient selective solvent, non-toxic, high
boiling point, small corrosion, solubility, low viscosity, low
volatility, good stability, easy recovery and other advantages, can be
used in the petrochemical industry acetylene concentration, aromatic
extraction, refining of lubricating oil and purification of ethylene,
butadiene;Can also be used as solvent for polymerization, such as
polyimide, polyphenylene sulfide and other engineering plastics and
aramid fiber;Also can be used in insulation materials, pesticides,
pigments and detergents industry;And battery, LCD, semiconductor and
other electronic industries.
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Item
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Index
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Industrial grade
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Pharmaceutical grade
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Electronic grade
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Microelectronic grade
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Purity, % ≥
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99.50
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99.80
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99.85
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99.90
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Moisture, % ≤
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0.05
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0.05
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0.03
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0.01
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Chroma (Pt-Co)# ≤
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30
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20
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10
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10
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Free amine, ppm ≤
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100
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50
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20
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10
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Density（20℃）, g/cm3
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1.026~1.036
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Refractive Index (20℃)
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1.465~1.475
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PH Value >
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6-10
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Packaging:200KG in Galvanized drum / 200KG in PE drum / 1000L in IBC drum / loose packing ISO TANK
Storage and transportation：Store in a cool and
ventilated warehouse, far away from kindling and heat source. Handle
with care, keep the package intact and prevent leakage.
