N-Octyl-2-Pyrrolidone
N-Octyl-Pyrrolidone is an important high-polarity aprotic solvent in the industrial field and is a core application in electronics and metal processing. In the electronics industry, it can be used as a semiconductor photoresist stripper and wafer cleaner, compatible with advanced processes without corroding the substrate, and also helps in the dispersion of lithium battery electrode slurries, improving the battery cycle life. In metal processing, it serves as a degreaser for high-end parts, capable of quickly dissolving high-viscosity oils, and is also a precious metal extractant (with an extraction rate exceeding 99.5%), while also enhancing the effectiveness of metal rust inhibitors to extend the rust prevention period.
In addition, N-Octyl-Pyrrolidone is widely used in the fields of coatings, inks and environmental protection. In the coating industry, it is an excellent solvent for high-temperature resistant polyimide coatings, helping to form stable coatings that can withstand temperatures above 400°C. It can also be used as a co-solvent for water-based epoxy anti-corrosion coatings, reducing the VOC content to below environmental standards and improving the salt spray resistance of the coating. In special inks, it can disperse silver powder or graphene in conductive inks, reducing the resistivity and adapting to flexible electronic printing processes.
In the environmental protection field, it can be used as an extractant for phenol-containing wastewater, with a phenol extraction rate of more than 99%, and the solvent can be recycled. In soil remediation, it can be used as a washing agent to efficiently remove VOCs such as benzene and toluene from the soil. After remediation, the soil can resume its usage function. Meanwhile, in the synthesis of fine chemicals and pharmaceutical intermediates, it is also a low-toxicity, highly selective reaction solvent and purifying agent, improving the purity and yield of the product.
Key Technical Parameters
| Appearance | Clear,colorless liquid |
| Purity | 99.0% min. |
| Water | 0.1% max. |
| Y-Butyrolactone | 0.2% max. |
| Amines | 0.2% max. |
| Colour(APHA) | Colour(APHA) |
Applications
● Detergent as soil penetrant in Pesticide Formulation
● Promote skin absorption
● Wetting Agent in fountain solution of aqueous systems in printing process, e.g. fountain solution
● Softener in hard surface cleaners, laundry pres-potters and metal cleaning
● Detergent in pharmaceutical formulation, eg. veterinary medicine
● Wetting agent for dishwashing, industrial and institutional cleaners
● Solvent for polymers and hydrophobic substances
● Pigment dispersion aid and pigment conditioning solvent and Component of photo resist strippers
● Dye carrier for aramid fabrics
Advantages
● Strong solubility
● Wide compatibility
● Mild and low-toxic
● Strong stability
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