Phthalic Anhydride (PA), with the chemical formula C8H4O3 and CAS number 85-44-9, is an industrially significant organic compound known for its reactivity and wide applications. Understanding its key physical and chemical properties, alongside essential safety considerations, is fundamental for any user in the chemical industry. As a prominent supplier of Phthalic Anhydride in China, we emphasize both product quality and safe handling practices for our clients.

Phthalic Anhydride typically appears as white crystalline flakes or powder and possesses a characteristic, pungent odor. It has a melting point of approximately 131-134°C and a boiling point of 284°C. While sparingly soluble in cold water, it reacts with water to form phthalic acid and is soluble in organic solvents like ethanol and ether. This reactivity is precisely what makes it a valuable intermediate for synthesizing esters, resins, and dyes.

Chemically, the anhydride functional group in Phthalic Anhydride readily participates in reactions such as hydrolysis, alcoholysis, and ammonolysis. This versatility allows it to be transformed into a multitude of derivatives essential for plasticizers, alkyd resins, polyester resins, and various dyestuffs. When sourcing for these applications, ensuring the Phthalic Anhydride you buy meets specific purity requirements is crucial for optimal downstream product performance.

However, Phthalic Anhydride is also recognized for its irritant and potentially hazardous properties. It can cause significant irritation to the eyes, skin, and respiratory tract. Inhalation can lead to symptoms ranging from rhinitis and bronchitis to asthma-like reactions. Therefore, strict adherence to safety protocols is imperative. This includes ensuring adequate ventilation in workspaces, using appropriate personal protective equipment (PPE) such as gloves, eye protection, and respiratory masks when handling the material, and following safe storage and disposal guidelines.

For businesses looking to procure Phthalic Anhydride, partnering with a reliable manufacturer in China ensures access to high-quality material produced under controlled conditions. We prioritize not only the purity and performance of our Phthalic Anhydride but also provide necessary safety data sheets and guidance to our customers. Whether you are searching for 'Phthalic Anhydride properties' or require 'safe handling procedures', our company is a resource for both product and safety information. Reach out to us to secure a dependable supply of Phthalic Anhydride for your industrial needs.