World’s Best Performance Phthalimide
Product Description
PapChem Lifesciences is a leading Phthalimide manufacturer and supplier offering high-purity Phthalimide powder (CAS No. 85-41-6), a stable and reactive organic intermediate available in multiple grades for diverse industrial applications:
- Pharma-grade and USP grade Phthalimide for API and pharmaceutical intermediate synthesis
- High-purity resin grade Phthalimide for ion exchange resin manufacturing
- Industrial grade Phthalimide for pigments, dyes, and speciality chemical applications
This white crystalline Phthalimide raw material is widely recognized for its consistent quality, higher yield, purity, and superior performance across pharmaceutical, chemical, and industrial manufacturing applications.
📋 Product Details
Chemical Name : Phthalimide
CAS Number : 85-41-6
Molecular Formula : C₈H₅NO₂
Molecular Weight : 147.13 g/mol
Synonyms : 1H-Isoindole-1,3(2H)-dione
🔍 Product Highlights
Appearance : White crystalline powder
Purity : NLT 99% ( By HPLC)
Melting Point : 231°C to 235°C
Grade : Pharma and USP Grade for API synthesis
Attributes : Best Performance product for 20+ years | High Purity | Low Moisture Content I
Superior appearance, physical and chemical properties | Customer Feedbacks of
Consistency with enhanced performance for their end use.
⚙️ Applications
Pharmaceutical Industry (Pharma Grade)
- Used as a precursor in multi-step API synthesis.
- Supports production of select medicinal compounds with controlled purity.
Ion Exchange Resin Manufacturing (Resin Grade)
- High-purity Phthalimide plays a key role in resin matrix formulation.
- Used in resins designed for water treatment, catalysis, and separations.
Pigments, Dyes & Specialty Chemicals (Industrial Grade)
- Acts as a core intermediate in pigment and dye production.
- Suitable for large-scale chemical synthesis and industrial R&D.
📦Product Packaging and Supply Chain
🌐 Why Choose PapChem Lifesciences?
30+ years of remarkable passionate manufacturing journey with 25+ years in international trade.
4 state-of-the-art manufacturing facilities with all the compliances.
Highly qualified team of technocrats, experienced professionals, and skilled workforce.
Well-equipped in-house analytical capabilities and R&D centre.
Value-added products and services like granulation, micronization, customized packaging, and more.
Global network of efficient supply chain.



