Customization: | Available |
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CAS No.: | 872-50-4 |
Formula: | C5h9no |
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N-Methyl Pyrrolidone(NMP)has a relatively high dielectric constant and can dissolve a wide range of polar and non - polar substances. It is miscible with water in all proportions at room temperature, and it can also dissolve many organic compounds such as polymers, resins, and dyes very well. For example, it can dissolve polyvinylidene fluoride (PVDF), which is a commonly used polymer in lithium - ion battery separators and other applications. It has a relatively high boiling point of around 202 °C, which makes it useful in high - temperature processes where other solvents with lower boiling points would evaporate too quickly. Its density is about 1.028 g/cm³ at 25°C. NMP also has a low vapor pressure at room temperature, but as the temperature rises, its vapor pressure increases and it can release vapors that have a characteristic odor.
Overview
Product name : N-Methyl Pyrrolidone
CAS No. : 872-50-4
Molecular Formula : C5H9NO
EINECS NO. : 212-828-1
Item | Specification |
Appearance | Colorless liquid |
Purity(%) | min.99.80% |
Whter(ppm) | max.200 |
Chroma(APHA) | max.20 |
Total Amines(ppm) | max.50 |
200kg drums
Chemical Reactions:
NMP is an excellent solvent for many organic reactions. It can dissolve a wide variety of organic compounds, including polymers, resins, and many pharmaceuticals during synthesis. For example, in the production of polyimide, NMP is used as a reaction solvent. Polyimide is a high - performance polymer with excellent thermal stability and mechanical properties. NMP helps to dissolve the monomers and allows the polymerization reaction to occur smoothly.
It is also used in the synthesis of some pharmaceutical intermediates. The good solubility of NMP enables the reaction of different chemical components to form the desired intermediate products more effectively.
Purification:
NMP is used for the purification of chemicals and drugs through processes such as crystallization and extraction. In the purification of active pharmaceutical ingredients (APIs), it can dissolve impurities along with the API. By adjusting the temperature and other conditions, the API can be crystallized out while the impurities remain in solution, thus improving the purity of the API.
Electronics Industry
Semiconductor Manufacturing:
NMP is widely used in the cleaning of semiconductor wafers. In the semiconductor manufacturing process, wafers are exposed to various chemicals and contaminants. NMP can effectively remove photoresist residues, organic contaminants, and particles from the wafer surface. Its high solvency power and relatively low toxicity (compared to some other solvents) make it a preferred choice for wafer cleaning.
It is also involved in the formulation of some electronic materials such as conductive inks and pastes. These materials are used in the production of printed circuit boards (PCBs) and other electronic components. NMP helps to disperse the conductive particles evenly and adjust the viscosity of the ink or paste to ensure good printability and conductivity.
Coatings and Adhesives
1.Coatings:
NMP is used as a solvent in the formulation of various coatings, including automotive coatings, industrial coatings, and paints. It helps to dissolve the resins, pigments, and other additives to form a homogeneous coating solution. The coating solution can then be applied to surfaces such as metal, plastic, or wood. NMP can improve the flow and leveling properties of the coating, resulting in a smooth and uniform finish.
In high - solids coatings, NMP is beneficial. High - solids coatings have a high content of solids (low volatile organic compound or VOC content). NMP can help these coatings maintain good workability and application characteristics while meeting environmental regulations regarding VOC emissions.
2.Adhesives:
In the production of adhesives, NMP is used to dissolve the adhesive polymers and adjust the viscosity and tackiness of the adhesive. It can improve the wetting ability of the adhesive on the substrates, allowing for better adhesion between different materials such as plastics, metals, and composites.
Petrochemical Industry
Extraction:
1)NMP is used in the extraction of hydrocarbons from petroleum fractions. It can selectively extract certain aromatic hydrocarbons or other valuable components from the complex mixtures in crude oi-l or refined products. For example, it can be used to separate and purify aromatic compounds such as benzene, toluen-e, and xylene from petroleum distillates.
2)In the desulfurization process of fuels, NMP - based solvents can be used to extract sulfur - containing compounds, helping to reduce the sulfur content of fuels and meet environmental standards for cleaner fuels.
Textile Industry
Dyeing and Finishing:
NMP is used in textile dyeing processes as a solvent for dyes and auxiliaries. It can help the dyes to penetrate the fiber more evenly and deeply, resulting in better color fastness and more vibrant colors. In the finishing of textiles, it can also be used to apply functional finishes such as water - repellent, flame - retardant, or anti - static finishes. NMP helps to dissolve and evenly distribute the finishing agents on the textile surface.
Huashihang Chemical Group is China leading chemical company.
Jinan Huashihang Chemical Co., Ltd is its sales company with import and export authority. The company was founded in 2004, located in Jinan City, Shandong, China. It started from a small village collective factory, but has now developed into a large private enterprise group with a complete industrial chain.
Being focused on the research, development, production, trade and service of chemicals, Hushihang chemical is a specialized manufacturer and supplier of fine chemicals, cosmetic materials, daily chemicals and food additives.
The company has established a documented system consisting of manual, procedures and instructions, based on the requirements of ISO 9001:2008. The quality policy has been established, understood and maintained. Products are inspected to ensure their suitability to the requirements, and released for delivery only after checking the fulfillment of all specified requirements.
Q1: Could you offer sample?
A1: Yes,sample is available. We can send samples by couriers or air as client's requirements.
Q2: What is MOQ?
A2: It usually does not have MOQ requirement. We will offer the most cost-effective solution including price and delivery way according to purchasing quantities.
Q3: What is the delivery time?
A3: For non-hazardous,it usually has stock. It can be sent within 7 days. For hazardous chemical,it may be 1~2 weeks. If it is our regular product, the time will be earlier.
Q4: Can you provide relevant documents?
A4: Of course. Bill of loading,Commercial Invoice, Packing List, Origin of Certificate , insurance, COA and SDS are available. Besides, we can offer other documents Certificate of Fumigation, documents approved by CCPIT or Consulate,etc.
Q5: Do you accept third party inspection?
A5: Yes,we do.
Q6: What is your payment term?
A6: TT,LC,Paypal,Western Union, ACH wire are available.
Q7: Is DDU or DDP available?
A7: Yes.
Q8: Could you look for other products on China market and coload one container?
A8: Yes. We have warehouse support to accomplish this.