About Propionic Anhydride
Propionic Anhydride
CAS Number : 123-62-6
Molecular Formula : (CH3CH2CO) 2O
Molecular Weight : 130.14 g/mol
Boiling Point: 167 °C (lit.)
Melting Point: -43 °C (lit.)
Density: 1.015 g/mL at 25 °C (lit.) Versatile Industrial ApplicationPropionic Anhydride serves as a vital reagent in synthetic processes, particularly as an acylating agent. Its reactivity makes it indispensable for the production of pharmaceutical intermediates, agrochemicals, and various flavor and fragrance compounds, ensuring high purity synthesis and consistency in end products.
Safe Handling and StorageDue to its corrosive and poisonous nature, Propionic Anhydride must be handled with care. Always store it in moisture-free, well-ventilated areas, using appropriate containers like HDPE drums or glass bottles. Keeping it away from incompatible substances such as strong oxidizing agents and bases helps maintain its stability and prolong shelf life.
Specification and Quality ControlThis chemical is provided as a clear liquid, boasting a 99% purity grade suitable for industrial applications. With a density of 1.023 g/cm and a refractive index (nD 20) of 1.400, Propionic Anhydride meets rigorous quality standards demanded by industries across India and internationally, supported by reliable distribution and export networks.
FAQs of Propionic Anhydride:
Q: How should Propionic Anhydride be stored for maximum stability?
A: Propionic Anhydride should be stored in a cool, dry, and well-ventilated area in tightly sealed HDPE drums or glass bottles. It must be kept away from moisture and incompatible substances like strong oxidizing agents and bases to ensure product integrity and stability.
Q: What are the main industrial uses of Propionic Anhydride?
A: Primarily, Propionic Anhydride is used as an acylating agent in synthetic processes. Its common applications include the manufacturing of pharmaceutical intermediates, agrochemicals, and components of flavors and fragrances.
Q: When handling Propionic Anhydride, what safety precautions should be followed?
A: Due to its corrosive and poisonous nature, proper personal protective equipment (PPE) such as gloves, goggles, and protective clothing should be used. Work in a well-ventilated area, and avoid all contact with moisture, skin, and eyes. Emergency procedures must be in place due to its hazardous classification (Hazard Class 8, UN 2503).
Q: Where is Propionic Anhydride typically used in India?
A: Propionic Anhydride is widely distributed and utilized across India by manufacturers, exporters, importers, retailers, and wholesalers in sectors including pharmaceuticals, agrochemicals, and the fragrance and flavor industry.
Q: How is Propionic Anhydride manufactured?
A: It is produced by oxidizing propionic acid in the presence of acetic anhydride. This process yields a high-purity product suitable for various industrial syntheses.
Q: What are the benefits of using Propionic Anhydride in industrial synthesis?
A: Its high reactivity and purity enable efficient acylation reactions, promoting consistent product output and high quality in pharmaceuticals and specialty chemicals.