Description

Potassium Phthalimide is a versatile and reactive organometallic salt widely used as a key intermediate in organic synthesis. Its primary value lies in its role as a Gabriel synthesis reagent, enabling the efficient production of primary amines from alkyl halides. This makes it an essential building block for manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to create complex amine-containing molecules.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for drugs containing primary amine functional groups.
• Agrochemical Synthesis: Used in the manufacturing of herbicides, fungicides, and insecticides where amine moieties are required.
• Dye and Pigment Production: Serves as a building block for various colorants and optical brighteners.
• Polymer Chemistry: Employed in the creation of polyimides and other high-performance polymers with specific thermal and mechanical properties.
• Organic Synthesis Reagent: Fundamental for Gabriel synthesis, providing a protected route to primary amines, avoiding over-alkylation.
• Research & Development: Utilized in academic and industrial R&D labs for exploring new chemical entities and synthetic pathways.

Basic Information

Product Name	Potassium Phthalimide
CAS No.	1074-82-4
Molecular Formula	C8H4KNO2
Molecular Weight	185.22 g/mol
Synonyms	1H-Isoindole-1,3(2H)-dione, potassium salt; Phthalimide potassium salt; Potassium 1,3-dioxoisoindolin-2-ide; 2-Potassioisoindoline-1,3-dione; Potassium isoindoline-1,3-dionate; Gabriel Synthesis Reagent; Potassium salt of phthalimide
EINECS	214-046-6

Quality Control

Our Potassium Phthalimide is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure it meets high-purity standards suitable for synthetic applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee traceability and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area. Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect reactivity and purity. Recommended storage temperature is between 15-25°C.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.1%

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