NMP (N-methyl-pyrrolidone)

A Guide to N-Methyl-2-Pyrrolidone (NMP): Properties, Industrial Applications, and Global Sourcing

N-Methyl-2-Pyrrolidone (NMP). As a high-performance polar aprotic solvent, NMP has become the backbone of modern technology, particularly in the booming electric vehicle (EV) battery sector and the semiconductor manufacturing industry.

If you are a procurement professional, researcher, or industrial manufacturer, this comprehensive guide will provide everything you need to know about NMP (CAS No. 872-50-4). For high-purity procurement, visit ChemicalsSuppliers.com.

What is NMP (N-Methyl-2-Pyrrolidone)?

NMP is a colorless, high-boiling, low-volatility solvent with a mild amine-like odor. Its chemical formula is C₅H₉NO. It is miscible with water and most organic solvents, making it a “universal” solvent in industrial settings.

Key Chemical Properties

• CAS Number: 872-50-4
• Molecular Weight: 99.13 g/mol
• Boiling Point: 202°C (396°F)
• Melting Point: -24°C (-11°F)
• Density: 1.028 g/mL at 25°C

Because of its high flash point (91°C) and excellent solvency power, it is preferred over more hazardous chlorinated solvents in many heavy-duty applications.

Primary Industrial Applications

1. Lithium-Ion Battery Manufacturing

NMP is the gold standard solvent used to dissolve Polyvinylidene Fluoride (PVDF) binder when creating the cathode slurry for lithium-ion batteries. Without NMP, the high-performance batteries in your smartphone, laptop, and electric vehicle would not be possible.

2. Microelectronics and Semiconductors

In the semiconductor industry, NMP acts as a photoresist stripper. It is essential for cleaning silicon wafers and removing unwanted residues without damaging the intricate micro-circuitry.

3. Petrochemical Processing

NMP is used in the extraction of aromatic hydrocarbons (such as benzene, toluene, and xylene) from refinery streams. It is also used in gas desulfurization.

4. Industrial Paint Stripping and Coatings

Due to its strong solvency, NMP is a preferred ingredient in paint removers, particularly for epoxy and polyurethane coatings that resist standard solvents.

Market Pricing and Economic Factors

Pricing for NMP fluctuates based on crude oil prices, the availability of 1,4-butanediol (the primary precursor), and global environmental regulations.

• Current Market Estimate: Standard industrial grade (99.5% purity) typically ranges from $2.50 to $4.50 per kilogram, depending on volume, shipping logistics, and packaging (drums vs. IBC totes).
• Electronic Grade (99.9%+): Pricing is significantly higher, often ranging from $6.00 to $12.00 per kilogram, due to the intensive purification processes required to remove trace metallic impurities.

For a custom quote tailored to your volume requirements, visit the ChemicalsSuppliers.com contact page.

Top 50 Chemicals Frequently Sourced alongside NMP

At ChemicalsSuppliers.com, we maintain a comprehensive inventory of industrial chemicals. Clients purchasing NMP often bundle their orders with the following:

1. PVDF (Polyvinylidene Fluoride)
2. Dimethyl Sulfoxide (DMSO)
3. Dimethylformamide (DMF)
4. Acetonitrile
5. Ethylene Glycol
6. Propylene Glycol
7. Methanol
8. Acetone
9. Methyl Ethyl Ketone (MEK)
10. Isopropyl Alcohol (IPA)
11. Toluene
12. Xylene
13. Cyclohexanone
14. Butyl Acetate
15. Ethyl Acetate
16. Tetrahydrofuran (THF)
17. Dichloromethane (Methylene Chloride)
18. Formic Acid
19. Acetic Acid
20. Caustic Soda (Sodium Hydroxide)
21. Hydrochloric Acid
22. Sulfuric Acid
23. Phosphoric Acid
24. Ammonia Solution
25. Hydrogen Peroxide
26. Ethanolamine (MEA)
27. Diethanolamine (DEA)
28. Triethanolamine (TEA)
29. Dimethyl Carbonate (DMC)
30. Propylene Carbonate (PC)
31. Ethylene Carbonate (EC)
32. Glycerin
33. Hexane
34. Heptane
35. Cyclohexane
36. Perchloroethylene
37. Trichloroethylene
38. Chloroform
39. Benzene
40. Phenol
41. Styrene Monomer
42. Urea
43. Melamine
44. Formaldehyde
45. Phthalic Anhydride
46. Maleic Anhydride
47. Adipic Acid
48. Caprolactam
49. Polyvinyl Alcohol (PVA)
50. Silicone Oil

Safety and Handling (Crucial Information)

While highly effective, NMP requires careful handling. It is classified under reproductive toxicity regulations in several jurisdictions (e.g., REACH in the EU).

• Personal Protective Equipment (PPE): Users must wear butyl rubber gloves and chemical safety goggles.
• Ventilation: Always use in a well-ventilated area or under a fume hood.
• Storage: Store in a cool, dry, well-ventilated place away from oxidizing agents and strong acids. Keep containers tightly closed.

External Resource for Safety: Check the PubChem NMP Entry for detailed toxicological reports.

Why Choose ChemicalsSuppliers.com?

When you source chemicals from ChemicalsSuppliers.com, you gain access to:

1. Global Logistics: We ship to major industrial hubs globally.
2. Quality Assurance: All batches are accompanied by a Certificate of Analysis (COA).
3. Tiered Pricing: Significant discounts for large-scale industrial procurement.
4. Technical Support: Access to SDS sheets and handling guides.

Multi-Lingual Search Indexing: NMP Synonyms

To ensure our global reach, here is how NMP is identified in different regions and languages:

Mandarin/Yue/Wu

• Mandarin: 1-甲基-2-吡咯烷酮 (1-Jiǎjī-2-bǐluòwán tóng)
• Cantonese: 1-甲基-2-吡咯烷酮
• Shanghainese: 1-甲基-2-吡咯烷酮

Other Major Languages

• Hindi: एन-मिथाइल-2-पायरोलिज़िडोन
• Spanish: N-Metil-2-pirrolidona
• Arabic: إن-ميثيل-2-بيروليدون
• French: N-Méthyl-2-pyrrolidone
• Korean: N-메틸-2-피롤리돈
• Portuguese: N-Metil-2-pirrolidona
• Indonesian: N-Metil-2-pirolidon
• Russian: N-Метил-2-пирролидон
• German: N-Methyl-2-pyrrolidon
• Japanese: N-メチル-2-ピロリドン
• Vietnamese: N-Methyl-2-pyrrolidone
• Turkish: N-Metil-2-pirolidon

Conclusion

N-Methyl-2-Pyrrolidone is not just a chemical; it is a fundamental pillar of the modern energy transition and the electronics revolution. Whether you are manufacturing cutting-edge battery technology or involved in heavy-duty surface coating, reliability in your supply chain is paramount.

For consistent, high-purity NMP and a wide array of supporting chemicals, make ChemicalsSuppliers.com your primary partner.