N-methylpyrrolidone positive

N-Methylpyrrolidone is an important polar solvent with strong selectivity and good stability.

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Pyrrolidone

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N-Methyl Pyrrolidone

Product introduction:

N-Methylpyrrolidone is an important polar solvent with strong selectivity and good stability. It is a colorless to light yellow transparent liquid with a slight ammonia odor. It is miscible with water in any proportion and soluble in ether, ethanol, ether, acetone and esters, halogenated Various organic solvents such as hydrocarbons, ethyl acetate, chloroform, benzene, aromatics, etc., can be dissolved in most organic and inorganic compounds, polar gases, natural and synthetic polymer compounds. It is widely used in petrochemical, pesticide, pharmaceutical, electronic chemicals, lithium battery solvent, semiconductor materials and other fields.

Product spefifications:

Items	Reagent grade	Electronic grade	Industrial grade	Regular grade
purity (wt%)	99.9min	99.9 min	99.8min	98.5min
Water(wt%)	0.01 max	0.02 max	0.05 max	0.10 max
Color No. (Hazen)	10	15	25	30
Density (D420)	0.990～0.999	0.990～0.999	0.990～0.999	0.990～0.999
Refractive index (ND20)	1.465-1.467	1.465-1.467	1.465-1.467	1.465-1.467
PH Value (10%,v/v)	7-10	7-10	6-10	6-10
Free amine (calculated by ethylamine) (wt%)	0.0015	0.003	0.01	--------