N-Methyl-2-pyrrolidone

Name: N-Methyl-2-pyrrolidone
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CAS NO. 872-50-4

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Product Name	N-Methyl-2-pyrrolidone (NMP) (Synonyms: 1-Methyl-2-pyrrolidinone; N-Methylpyrrolidone)
CAS NO.	872-50-4
Formula & Weight	C5H9NO (MW: 99.13)
Chemical Structure
Technical Specifications	Electronic / Battery Grade Standards: Appearance: Clear, colorless liquid Assay (GC): ≥ 99.9% Water Content: ≤ 0.02% (Ultra-Low Moisture) Color (APHA): ≤ 10 Free Amines (as Methylamine): ≤ 10 ppm Density (25°C): 1.026 - 1.036 g/cm³ *Standard Industrial Grade (99.5%, Water ≤0.1%) also available upon request.
Key Applications	High-performance polar solvent for critical industries: Lithium-Ion Batteries: The standard solvent for PVDF binder in cathode electrode manufacturing. Requires ultra-low water content to ensure battery performance. Microelectronics: Used as a photoresist stripper and degreaser in semiconductor wafer processing. Engineering Plastics: Reaction solvent for the synthesis of high-performance polymers like PPS (Polyphenylene sulfide) and Aramid fibers. Agrochemicals & Coatings: Efficient solvent for pesticide formulations and industrial paint strippers.
Logistics & Packaging	Packaging: Iron Drum / IBC Tank / ISO Tank. Storage: Hygroscopic. Store in cool, dry place away from light. Nitrogen blanketing recommended for Battery Grade.

Royalchem supplies Battery Grade NMP with strict control on metal ions and moisture.

Looking for a greener alternative? Check our N-Ethyl-2-pyrrolidone (NEP).

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