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Good quality 99 8 n methyl 2 pyrrolidone for pharmaceuticals

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    2021-4-1 · Use: N-Methyl-2-Pyrrolidone (NMP) is a high boiling, polar aprotic, low viscosity liquid. NMP has a good solvency for a wide range of organic and inorganic compounds and it is miscible with water at all temperatures and has a high chemical and thermal stability.

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    1-Ethyl-2-pyrrolidinone N Methyl Pyrrolidone NEP for lithium ion battery CAS 2687-91-4 . Description . 1-Ethyl-2-pyrrolidinone ( NEP ) is an intermediate of organic synthesis ; for the synthesis of a variety of chemicals, and can be used as an organic solvent, mainly used in the production of refined oil and powder, lithium batteries, pharmaceuticals, dyes, pesticides, daily chemicals, paint ...

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    The global N-methyl-2-pyrrolidone market size is expected to grow by USD 388.99 million during 2020-2024, progressing at a CAGR of over 5% during the forecast period.

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    Cellulose esters, in particular, cellulose acetate (CA), is relatively inexpensive, easily commercially available, and have been applied successfully for many years, as a membrane material in different applications, such as water treatment, pervaporation, gas separation etc. [8,9,10,11,12].CA is soluble in common solvents like NMP (N-methyl-2-pyrrolidone), DMSO (dimethylsulfoxide) and acetone.

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    N-methyl-2-pyrrolidone (NMP) is a water-soluble organic solvent approved by the Food and Drug Administration and suitable for fast solidification of polymer implants (Jouyban et al., 2010). NMP ...

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    Avantor ®, a Fortune 500 company, is a leading global provider of mission-critical products and services to customers in the biopharma, healthcare, education & government, and advanced technologies & applied materials industries.Our portfolio is used in virtually every stage of the most important research, development and production activities in the industries we serve.

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    The first step is that methylamine reacts with γ-butyrolactone to produce 4-hydroxy-N-methylbutanamide, and then the second step is further dehydration to produce 1-Methyl-2-pyrrolidinone. Two-step reaction can be conducted in a tubular reactor continuously, and the molar ratio of γ-butyrolactone to methylamine is 1: 1.15, pressure is about ...

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