N-Methyl-2-pyrrolidone

N-Methyl-2-pyrrolidone, abbreviated as NMP, molecular formula: C5H9NO, English: 1-Methyl-2-pyrrolidone, appears as a colorless to light yellow transparent liquid with a slight ammonia odor. It is miscible with water in any proportion, soluble in various organic solvents such as ether, acetone and esters, halogenated hydrocarbons, aromatics, etc. It is almost completely mixed with all solvents, with a boiling point of 204 ℃ and a flash point of 91 ℃. It has strong hygroscopicity, stable chemical properties, and is not corrosive to carbon steel and aluminum, Slightly corrosive to copper. It has the advantages of low viscosity, good chemical and thermal stability, high polarity, low volatility, and infinite compatibility with water and many organic solvents. This product is a micro drug, and the maximum allowable concentration in the air is 100PPM.

CAS No.:
872-50-4
Molecular Formula:
C5H9NO
Molecular Weight:
99.13
EINECS:
212-828-1
Flash Point:
187 °F

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DESCRIPTION

DESCRIPTION

N-METHYL-2-PYRROLIDONE

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SPECIFICATION

Analysis project	Actual measured value	Electronic level indicators	test method
appearance	Colorless transparent liquid	Clear near water-white liquid	visualization
N-methylpyrrolidone,% (m/m)	99.95	≥ 99.90	GB/T 27563-2011
Moisture,% (m/m)	0.0072	≤ 0.020	GB/T 6283-2008
Chromaticity, Hazen units (platinum cobalt color code)	<5	≤ 15	GB/T 3143-1982
Density (20 ℃), g/cm ⊃3;	1.0323	1.0280 ～ 1.0350	GB/T 27563-2011
Refractive index (nD20)	1.471	1.465 ～ 1.472	GB/T 27563-2011
PH value [(1mL/10mL) aqueous solution]	8.7	6.0 ～ 9.0	GB/T 27563-2011
Total amine (calculated as CH3NH2),% (m/m)	0.0005	≤ 0.0030	GB/T 27563-2011
Calcium, ug/kg	7	≤ 20	HG/T 4989-2016
Zinc, ug/kg	11	≤ 20	HG/T 4989-2016
Magnesium, ug/kg	<5	≤ 20	HG/T 4989-2016
chromium, ug/kg	<5	≤ 20	HG/T 4989-2016
cadmium, ug/kg	<5	≤ 20	HG/T 4989-2016
lead, ug/kg	<5	≤ 20	HG/T 4989-2016
nickel, ug/kg	<5	≤ 20	HG/T 4989-2016
manganese, ug/kg	<5	≤ 20	HG/T 4989-2016
copper, ug/kg	<5	≤ 20	HG/T 4989-2016
titanium, ug/kg	<5	≤ 20	HG/T 4989-2016
aluminium, ug/kg	<5	≤ 20	HG/T 4989-2016
cobalt, ug/kg	<5	≤ 20	HG/T 4989-2016
metal ion, ug/kg	<5	≤ 20	HG/T 4989-2016
Attachment:	<5	≤ 20	HG/T 4989-2016

APPLICATION

637211733833620104635 Solvent: NMP is an efficient organic solvent that can be used to dissolve many organic compounds, including polymers, resins, coatings, and plastics. It is widely used in industrial production to dissolve and treat various materials.

Polymer industry: NMP plays a crucial role in polymer preparation, especially in the production of polyamide fibers and polyamide resins. It is used as a solvent to help dissolve polymers and form the desired product.

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Electronic device manufacturing: NMP is used to clean and remove impurities and residues from electronic devices. It is widely used in the semiconductor industry for cleaning photoresists and removing surface organic pollutants.

Paint and Coatings Industry: NMP, as a powerful coating solvent, is widely used in the production of paints and coatings, helping to improve product quality and performance.

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Drug and cosmetic production: NMP also has some applications in the pharmaceutical and cosmetic industry, such as serving as a solvent for extracting and preparing certain drug or cosmetic ingredients.