World’s Best Performance
N-Hydroxy Methyl Phthalimide
Essential Reactant/KSM for API Synthesis, Pigments & Dyes and Fine Chemical Applications
Product Description
PapChem Lifesciences manufacturer and supplier, offers high-purity synthetic N-Hydroxymethyl Phthalimide (NHMP), a specialized material used in API’s manufacturing and organic synthesis. Its unique high reactivity and stability make it suitable for the production of API’s, pharmaceutical excipients & intermediates, pigment & dyes and resin modifiers. Manufactured under strict quality protocols, our product ensures consistency and reliability in commercial-scale applications.
📋 Product Details
- Chemical Name : N-Hydroxymethyl Phthalimide
- CAS Number : 118-29-6
- Molecular Formula : C₉H₇NO₃
- Molecular Weight : 177.16 g/mol
- Synonyms : 2,3-Dioxo-1,2,3,4-tetrahydroisoindole-1-methanol; Hydroxymethylphthalimide

🔍 Product Highlights
Appearance : White crystalline powder
Purity : ≥98% (HPLC tested)
Moisture Content : NMT 0.5%
Melting Range : 142–146°C
Grade : Pharma | LR | Technical
Attributes : Best Performance product for 15+ years | High Purity | Low Moisture Content |
Superior appearance, physical and chemical specifications | Customer
Feedbacks of Consistency with enhanced performance for their end use

⚙️ Applications
💊 Pharmaceutical Industry
- Used in the synthesis of controlled-release drug formulations
- Serves as an intermediate in modified-release excipient systems
- Applicable in APIs and sustained drug delivery matrices
⚗️ Fine & Specialty Chemical Synthesis
- Functionalized intermediate for resin modifications and polymer additives
- Plays a role in tailored reactivity reactions for complex molecule synthesis
🔬 R&D and Process Development
- Ideal for academic and industrial studies focusing on release-modifying technologies
- Suitable for pilot batch testing in custom formulation development
🎨 Dye & Pigment Applications
- Used as an intermediate in the synthesis of dye precursors and pigment intermediates.
- Supports the manufacture of specialty dyes with controlled reactivity and stability.
- Applied in pigment formulations requiring consistent performance in industrial coloring systems.
📦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.