N-Butyl-2-pyrrolidone (NBP 99.5%) CAS 3470-98-2 is a colourless polar aprotic liquid, a safer alternative to NMP. It features strong dissolving power, high thermal stability and low reproductive toxicity, widely used as eco-friendly solvent for pharma, pesticide, electronic material and polymer processing. TNJ Chemical is the leading manufacturer and exporter since 2001. We guarantee high quality, competitive price, stable supply, fast delivery and tech support etc. To inquire more, please contact sales@tnjchem.com
Product Information
Chemical Name: 1-Butylpyrrolidin-2-one
Synonym: N-Butyl-2-pyrrolidone, NBP
CAS No.: 3470-98-2
Molecular Formula: C₈H₁₅NO
Molecular Weight: 141.21
Chemphysical Properties
Appearance: Colorless clear liquid
Boiling Point: 244 ℃
Flash Point: 112 ℃
Density: 0.99 g/cm³ @20℃
Solubility: Miscible with water and most organic solvents
| Item | Standard |
|---|---|
| Assay (GC) | 99.50% min |
| Water | ≤0.10% |
| Color (Pt-Co) | ≤20 |
| Acid Value | ≤0.05 mgKOH/g |
Use & Application
Green substitute solvent replacing restricted NMP, DMF, DMAc
Reaction solvent for pharmaceutical synthesis and API purification
Co-solvent and formulation aid for pesticide formulations
Used in lithium battery materials, high-performance polymer and coating production
Cleaning agent for electronic components
Packed in 200L steel drum.
Keep sealed, store in cool, dry, ventilated warehouse, away from strong acid and oxidants.
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