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N-Octyl pyrrolidone NOP CAS 2687-94-7

Molecular formula
EINECS number
Molecular weight
Warranty period
2 years
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N-Octyl pyrrolidone is a white or light-colored liquid. Boiling point 145℃(40Pa). Melting point 10℃. Flash point 116℃. Density 0.9(g/cm3). Slightly soluble in water, soluble in most polar and non-polar solvents. N-Octyl pyrrolidone has good coordination ability and surface activity. Non-toxic. It’s not flammable. N-Octyl pyrrolidone is biodegradable.

NOP is a substituted heterocyclic organic compound and a rapid nonionic wetting agent in dishwashing, industrial, and institutional cleaners. N-Octyl pyrrolidone also can serve as a solvent for polymers and hydrophobic substances and has uses as a dye carrier for aramid fabrics.

We are professional manufacturer of NOP in China, engaged in the R&D, production and sales of NMP and series chemical materials. Unilong Industry Co., Ltd. can supply high quality NOP to meet your application. We can also supply sample for your test before formal order.



Appearance Colorless clear liquid
Density  0.92 g/mL at 25 °C (lit.)
Water 0.2% max
Color (Pt-Co) 30 max
Purity 99% min


Widely used in pesticides, cotton defoliants, concentrated cleaning agents, chemical reaction solvents, pharmaceutical synthesis media, coating strippers in the electronics industry, as well as surfactants and ionic liquids.


Features and Benefits

NOP is a low to moderate hazard material and risk of adverse health effects associated with both occupational and consumer use of this chemical is anticipated to be low.


200kgs/drum, 16tons/20’container.
Storage: Stored in the dry and ventilated inside storeroom, prevent direct sunlight, slightly pile and put down.




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Unilong®️ Group specializes in the research, development, production and operation of biological materials and green solvents. It is a high-tech enterprise integrating the research, development and production of new environmentally friendly and degradable materials.

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