purity 99.90%
water 300ppm max
color 10#
Equipped with the combination unit of 30,000T/A of N-Methyl-2-pyrrolidone, we now are the biggest manufacturer of NMP in China with most excellent quality and most leading high-tech .
N-Methyl-Pyrrolidone |
Chemical name: N-Methyl-2-pyrrolidinone; 1-Methyl-2-pyrrolidone; N-Methyl-2-Pyrrolidone; NMP |
CAS NO.:872-50-4 |
Characteristics: |
Molecular formula: | C5H9NO | Molecular weight: | 99.134 | Structural formula: | | Density(D420)g/ml: | 1.028~1.033 | Melting point: | -23.6°C | Boiling point: | 202°C | Flash point:PH-value(100g/l)at 20°CRefractive index:(nD20) | 95°C7.5-101.465-1.475 | Ignition temperatureDynamic at 20°C | 245°C1.796 mPas | Properties: | Colourless transparent liquid,it has strong water absorption. It can almost dissolve in all the solvents |
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Specification: |
N-methyl pyrrolidone Specifications (Operative Standard: Q/1400MCX002-2009) : Item | Electronic grade | Industrial Grade | Test Method | Appearance | Colorless transparent liquid | Colorless transparent liquid | Eye-measurement | Purity % | ≥99.90 | ≥99.50 | Gas chromatography | Moisture % | ≤0.020 | ≤0.050 | Karl Fischer method | Tone APHA | ≤10 | ≤15 | Colorimetry | Density (D420) g/ml | 1.027-1.035 | 1.027-1.035 | Proportion | Refractive rate (nD20) | 1.465-1.475 | 1.465-1.475 | Spectrophotometry | PH Value (20°C,100g/L) | 7.5-10 | 7.5-10 | Potential method |
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N-methyl-pyrrolidone