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Transparent Liquid Base Raw material of medical intermediate Ethyl-2-pyrrolidinone 1-Ethyl-2-pyrrolidinone 2687-91-4 NEP
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Products Description
N-ethylpyrrolidone, referred to as NEP, CAS No. 2687-91-4, molecular formula C6H11NO, structural formula, molecular weight 113.16, colorless or light yellow liquid, its boiling point is 212°C (atmospheric pressure), flash point is 90.3°C (closed cup) . It is an important fine chemical intermediate and polar solvent, which is widely used in lithium-ion batteries, polymer materials, chemical additives and other fields and industries.
Items |
Reagent Grade |
Electronic Grade |
Industrial Grade |
Common Grade |
Purity(wt%,GC) |
≥99.8 |
≥99.5 |
≥99 |
≥98.5 |
Moisture(wt%,K.F.) |
≤0.05 |
≤0.1 |
≤0.3 |
≤0.5 |
Color(APHA,Hazen) |
≤20 |
≤25 |
≤30 |
≤40 |
Density(g/cm3,20℃) |
0.994 ～0.999 |
0.992 ～0.999 |
0.990 ～ 0.999 |
0.990 ～ 0.999 |
Application
Scope of application
Intermediate of organic synthesis ; Organic solvent in the production of refined oil and powder, lithium batteries, dyes, daily chemicals, paint, heat-resistant with high molecular weight polymeric resin, degrease of dry rubber, coating, adhesive edge removal of epoxy resin, butadiene extraction, desulfurization of natural gas, spinning medium of synthetic fiber,paint dispersion etc.
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FAQ
* Q1:Can I get free sample before bulk order?
* We can accept sample order before bulk order, FREE SAMPLES of some products can be sent on request.
* Q2: How to confirm the products quality before placing orders?
* We have strict quality control for every shipment and have various certificates in the industry.
* Q3:How will you deliver the goods?
* We have strong cooperation with DHL, FEDEX, TNT, EMS, China Air Post.
For bulk products, we can ship it by air to your airport or directly to your door. For container products, we can do sea shipping. You also can choose your own shipping forwarder.
* Q4: How about the packing?
* Usually we provide the packing as 25 kg / bag or carton. Of course, if you have special requirements on them, we will according to you.
* Q5: How to gaurantee the after-sale?
* If any problem happens after sale, either quality or quantity, we will try to solve it instantly. and we even have recall
system if necessary.
system if necessary.
