Description

n-(Propylthio)Phthalimide is a specialized organosulfur compound featuring a phthalimide core functionalized with a propylthio group, serving as a key intermediate in advanced chemical synthesis. Its primary value lies in its role as a versatile building block for the development of pharmaceuticals, agrochemicals, and functional materials, where it introduces sulfur-containing moieties critical for biological activity or material properties. This high-purity intermediate is essential for research and development chemists and process engineers in the fine chemical, pharmaceutical, and crop protection industries seeking reliable and scalable synthetic pathways.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring thioether or sulfone functional groups.
• Agrochemical Synthesis: Used in the manufacture of herbicides, fungicides, and insecticides, where the propylthio side chain can enhance efficacy and selectivity.
• Polymer Modifier: Acts as a monomer or additive in the production of specialty polymers, such as polyimides, to impart specific thermal or chemical resistance properties.
• Ligand and Catalyst Development: Serves as a starting material for creating novel ligands used in transition metal catalysis for organic transformations.
• Chemical Research: Employed in academic and industrial R&D for exploring new heterocyclic compounds and sulfur chemistry.
• Dye and Pigment Intermediate: Utilized in the synthesis of sulfur-containing dyes and organic pigments.

Basic Information

Product Name	n-(Propylthio)Phthalimide
CAS No.	39801-32-6
Molecular Formula	C11H11NO2S
Molecular Weight	221.27 g/mol
Synonyms	N-Propylthiophthalimide; 1-[(Propylthio)carbonyl]isoindoline-1,3-dione; Phthalimide, N-(propylthio)-; 2-(Propylsulfanyl)isoindoline-1,3-dione; NSC 163063; N-Propylsulfanylphthalimide; Propylthio Phthalimide; 1,3-Dioxo-2-(propylthio)isoindoline
EINECS	Contact for details

Quality Control

Our n-(Propylthio)Phthalimide is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation by IR and NMR spectroscopy, to ensure it meets exacting specifications for use in sensitive synthetic applications. A comprehensive Certificate of Analysis (COA) detailing purity, impurity profile, and physical characteristics is provided with every shipment to guarantee traceability and compliance with your quality protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong oxidizing agents and strong bases. The container should be kept tightly sealed to minimize exposure to moisture and air.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	85 - 89 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.