World’s Best Performance Phthalimide
High Purity Reactant for API’s, Ion Exchange Resins, Fine Chemicals, Pigments and Dyes
Product Description
PapChem Lifesciences manufacturer and supplier, offers Phthalimide (CAS No. 85-41-6), a stable and reactive organic raw material available in three distinct grades tailored for different industry needs:
- Pharma-grade and USP grade for API synthesis
- High-purity resin grade for ion exchange resin manufacturing
- Industrial grade for pigments, dyes, and specialty chemical applications
This white crystalline solid is widely recognized for its consistency, higher yield and superior performance across 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.