• CasNo:2687-91-4
  • Molecular Formula:C6H11NO
  • Purity:99.8
  • Molecular Weight:113.16

Product Details

Melting point:87.5-88.5 °C

Packing:100, 500 g in glass bottle

Appearance:Clear Liquid

Throughput:|Metric Ton|Day

Application:Washing & cleaning products, coating products, laboratory chemicals and polymers.

Product Description


1-Ethyl-2-pyrrolidone is a transdermal absorption-enhancing compound and mechanism of its effect on multilammellar liposome of stratum corneum lipid has been studied.


1-Ethyl-2-pyrrolidinone (NEP) is an intermediate of organic synthesis ; for the synthesis of a variety of chemicals, and can be used as an organic solvent, mainly used in the production of refined oil and powder, lithium batteries, pharmaceuticals, dyes, pesticides, daily chemicals, paint, heat-resistant and high Molecular weight polymeric resin, degrease of dry glue, developing solvent of coating, adhesive edge removal of epoxy resin, butadiene extraction, desulfurization of natural gas, pesticides, spinning medium of synthetic fiber, pigment dispersion and so on.


Molecular formula C6H11NO

Molecular weight 113.16

Properties NEP is a colorless, transparent liquid, weak alkaline, Boiling point 21 2 (atmospheric pressure), is a strong polar organic solvent, miscible with water and organic solvents in any proportion.





Chemical Name 1-ethyl-2-pyrrolidone
Synonyms NEP,n-ethyl-2-pyrrolidone,Ethyl pyrrolidinone,N-ethyl-pyrrolidone,N-Ethyl Pyrrolidonne,1-ethylpyrrolidin-2-one,N-Ethyl-2-pyrrolidinone,N-Ethylpyrrolidone
CAS # 2687-91-4
Molecular Weight 113.16
Melting Point 87.5-88.5 °C
Boiling Point 203.6°C at 760 mmHg
Flash Point 76.1°C
Refractive Index n20/D 1.465(lit.)
Density 0.992 g/mL at 25 °C (lit.)
Vapor Pressure 0.276mmHg at 25°C
Storage Temp. Sealed in dry,Room Temperature
Storage Condition Keep away from heat, sparks, and flame. Keep away from sources of ignition. Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
Colour & Form Clear & Liquid





1. 1-Ethyl-2-pyrrolidone is used for acetylene, butadiene extraction, fiber and leather dyeing, natural gas desulfurization, high molecular weight polymer polymerization medium, pesticides, synthetic fiber spinning medium, pigment dispersion, lubricating oil processing.


2. 1-Ethyl-2-pyrrolidone is industrially useful as a highly efficient selective solvent, catalyst, and cationic surfactant. NEP is mainly used for refining oil and producing powder, medicine, dye, pesticide, daily chemical, paint, heat-resistant resin, etc.


3. 1-Ethyl-2-pyrrolidone is used to modify coir fiber (from Cocos nucifera) by photocuring.


4. 1-Ethyl-2-pyrrolidone is used as a solvent, catalyst, and cationic surfactant.


5. 1-Ethyl-2-pyrrolidone is used to make fine and large scale chemicals, in industrial coatings, cleaning agents, binders and release agents, functional fluids, laboratories, water treatment chemicals, polymer processing, and oil field drilling and production.



Company Information


Puyang MYJ Technology Co., Ltd. (original name is Puyang MYJ Fine Chemical Co., Ltd. ) is high-tech compang concentrating in the R&D, manufacture, sell of chemical solvent, process chemical and lithium battery, which is located in New&High-Tech Industried Development Zone of Puyang, Henan Province.

The company has united existing plant of 6000 metric tons a year ofγ-butyrolactono(GBL),N-methyl Pyrrolidone(NMP),And 1000 tons / annual N-ethyl pyrrolidone (NEP) device andα-pyrrolidone (α-P) .  It has supplied advanced of high grade for Lithium ion battery, electrical insulant, high-class coating, pesticide, engineering plastics and chemical refining, extraction, etc.

Our super-purification and high-purity NMP has won a prize of henan science and technology achievement, and the NMP has supplied electric-chemical products to micro-electronic industry.  Multifunctional Super Cleanser that the company itself developed a new product has many uses and super efficacy. 

The company has passed ISO9001:2000 International Quality Management System Certification , ISO14001:2004 International Environment Management System Certification and QC080000-2005 "IECQ-HSPM hazardous substance process management system" standard.  

The Company will make continual efforts to become a leader in the industry enjoying the esleem by the customers, peers , employees, cooperation partners and the society.  Management principle of the company is: regarding honesty as its life ;  innovating and improving is the drive of the enterprise;setting up MYJ brand are pursuits of the enterprise.

We are ready to cooperate with our friends both at home and abroad to seed joint development and to make a beautiful future!



Why Choose Us?


1. Are you a trading company or a factory?

We are a factory with our own trading company.


2. How do you control quality?

Our factory is equipped with professional and technical personnel for quality control, external inspectors every 2 hours to take samples for testing to ensure the quality of our production. We also accept BV, SGS or any other third party inspection.


3. How do I start an order or payment? After confirming the order, a pro forma invoice will be sent with our bank information. Pay via T/T, Western Union.


4. How to confirm the quality of the product before placing an order?

You can get free samples of some products, you only need to pay shipping costs or arrange for courier to send us samples.

You can send us your product specifications and requirements and we will manufacture the product according to your requirements.


5. Can I get some samples?

Yes, we can provide free samples, but shipping is paid for by our customers.


6. What is the delivery time?

Small orders we ship within 3 days, and bulk orders we ship within 7-10 days.



Safety and Handling


GHS H Statement

May damage the unborn child.

Suspected of damaging fertility.

Causes serious eye damage.


GHS P Statement

IF IN EYES: Rinse cautiously with water for several minutes.

Remove contact lenses,if present and easy to do.

Continue rinsing.

Immediately call a POISON CENTER or doctor/physician.

Wear protective gloves/protective


GHS Signal Word: Danger

EINECSNumber : 220-250-6