- Product Name: N-Methylpyrrolidone (NMP)
- CAS: 872-50-4
- Catalog: HG-BULK007
- Applications: Petrochemical and Chemical Industry, Agricultural and Pharmaceutical Applications, Electronics and Semiconductor Industries, Industrial Applications.
N-Methylpyrrolidone (NMP) is a colorless, transparent, oily liquid. Known for its remarkable solubility properties, NMP is miscible with water, alcohols, esters, ketones, ethers, and aromatic hydrocarbons, making it a versatile solvent for various industrial applications. It is widely used across various industries, including petrochemicals, pharmaceuticals, electronics, and agriculture.
Key Features
Solubility
- Highly miscible with water, alcohols, ethers, ketones, esters, halogenated hydrocarbons, and castor oil.
Thermal and Chemical Stability
- NMP exhibits low volatility, high thermal stability, and excellent chemical stability.
Light Sensitivity
- NMP is sensitive to light, which could potentially alter its chemical structure or properties when exposed to prolonged light.
High Solubility and Selectivity
- As a polar non-protic solvent, NMP has exceptional solubilizing power and can selectively dissolve various organic and inorganic compounds.
Technical Data
Melting point: -24 °C
Flash point: 91 °C
Density: 1.028g/ml
Refractive index (n20/D): 1.47
| Items | Industrial high grade | Industrial qualified grade | Electronic grade |
| Assay | ≥ 99.9% | ≥ 99.5% | ≥ 99.9% |
| Moisture | ≤ 0.03% | ≤ 0.05% | ≤ 0.02% |
| Color (APHA) | ≤ 20 | ≤ 30 | ≤ 15 |
| γ-Butyrolactone | ≤ 0.05% | ≤ 0.10% | -- |
| Refractive index (n20/D) | 1.468-1.472 | 1.468-1.472 | -- |
| Total amine | ≤ 0.01% | -- | ≤ 20 mg/kg |
| pH (1ml/10ml aqueous solution) | 7-10 | -- | -- |
| GBL | -- | -- | ≤ 0.03% |
| Cl- | -- | -- | ≤ 0.5mg/kg |
| SO42- | -- | -- | ≤ 0.5mg/kg |
| NO3- | -- | -- | ≤ 0.5mg/kg |
| Na | -- | -- | ≤ 10μg/kg |
| K | -- | -- | ≤ 10μg/kg |
| Fe | -- | -- | ≤ 10μg/kg |
| Cu | -- | -- | ≤ 10μg/kg |
| Mg | -- | -- | ≤ 10μg/kg |
| Zn | -- | -- | ≤ 10μg/kg |
| Al | -- | -- | ≤ 10μg/kg |
| Ca | -- | -- | ≤ 10μg/kg |
| Cr | -- | -- | ≤ 10μg/kg |
| Mn | -- | -- | ≤ 10μg/kg |
| Ni | -- | -- | ≤ 10μg/kg |
| Pb | -- | -- | ≤ 10μg/kg |
Applications
Alfa Chemistry's NMP has a broad range of uses in various industries:
Petrochemical and Chemical Industry
- Aromatic Hydrocarbon Extraction: NMP is used as an extractant for aromatic hydrocarbons, especially in the refinement of petrochemical products.
- Purification of Acetylene, Olefins, and Dienes: It serves as an efficient solvent for purifying acetylene, olefins, and dienes like butadiene, isoprene, and others in petrochemical processes.
- Polymer Solvent and Reaction Medium: NMP is a preferred solvent in polymer chemistry, used in the production of engineering plastics, aramid fibers, polyimides, and polyamides.
- Lubricant Refining: It is used to extract aromatic compounds from lubricants, improving their quality.
Agricultural and Pharmaceutical Applications
- Pesticides: NMP is used as a solvent for active ingredients in the production of pesticides and agrochemicals.
- Pharmaceuticals: It acts as a solvent for various medicines, ensuring effective dissolution of active pharmaceutical ingredients (APIs).
Electronics and Semiconductor Industries
- Lithium-Ion Batteries: NMP is utilized in the production of lithium-ion batteries as a solvent for electrode materials and additives.
- Photoresist Stripping: It is an important solvent in photoresist stripping in semiconductor and LCD manufacturing processes.
- Cleaning Applications: NMP is used in cleaning precision instruments, circuit boards, and other delicate components in the electronics industry.
Industrial Applications
- Coatings and Paints: NMP is used as a solvent in the formulation of paints, coatings, and adhesives.
- Industrial Cleaners: It is also a key ingredient in industrial cleaning agents used for cleaning chemical equipment, coating layers, and surface contaminants.
Storage and Packaging
- Storage: Store NMP in a cool, dry, and well-ventilated area, away from direct sunlight, heat sources, and oxidizing agents. NMP is hygroscopic, so exposure to humid environments should be avoided to prevent changes in its chemical properties.
- Packaging: NMP is typically packaged in 200 kg drums or transported in ISOTANK containers for bulk shipments.
- Transportation: Ensure containers are securely closed during transport, and follow hazardous material transportation guidelines.
Alfa Chemistry's N-methylpyrrolidone (NMP) offers a highly versatile and effective solvent with exceptional properties. Its high solubility, stability, and low toxicity make it indispensable in industries such as petrochemicals, pharmaceuticals, electronics, and agriculture. For more information, please feel free to contact us.
