CAS: 85-44-9
Phthalic Anhydride is important as intermediate in manufacturing of plasticizers and resins. It differs from other chemicals of its kind by providing superior durability and flexibility to plastic materials it is essential for an industrious amount of applications. It is not only essential to the performance of end products but also helps in raising the quality and durability of them greatly is highly mannered component in Plastic & Rubber.
Properties of Phthalic Anhydride
● CAS Number: 85-44-9
● Molecular Formula: C8H4O3
● Melting Point: 130.8 °C
● Freeze Point (C): Min: 130.5
● Density: 1.53 g/cm
● Boiling Point: 295 °C
Physical Characteristics
● Appearance: White solid in the form of crystals or flakes.
● Odour: a foul, acrid odour.
● Solubility: Moderately soluble in water (reaction forms phthalic acid), soluble to organic solvents such as acetone and benzene.
● Physical state: Solid at ambient temperature.
● Stability: Stable under normal use and storage conditions.
● Hygroscopic: Little to absorb moisture from atmosphere.
Application in the Plastic & Rubber Industry
Primarily Used for Plasticizers in the Synthesis of Flexible PVC and other polymers, Phthalic Anhydride is mostly utilized. By acting as a reactive component in the production of alkyd resins and other formulations, it significantly enhances product flexibility, weather resistance and thermal stability. It is also well-known as a low volatile chemical to conserve performance characteristics of materials with time.
Applications in Other Industries
● Oil & Gas: Used in oil based additive to drilling fluid, production of resins for use in severe environment.
● HI&I (Household, Industrial & Institutional): Functions as a raw material in cleaning product formulations, enhancing their effectiveness.
● Lubricants & Greases: Serves as an additive to improve the performance of lubricants under varying temperature conditions.
● Pharma: precursors that are used in the formation of pharmaceutical structures by which they deliver drugs.
● Dyes and Pigments Industry: It is a key raw material for the production of phthalocyanine pigments, which are widely used in paints, inks, and plastics.
● Electronics: Used in the manufacturing of thermosetting resins for electrical and electronic components.
● Automotive: Used in coatings and adhesives for automotive finishes.
● Textile: In the production of textile finishing agents and dyes.