Phthalic Anhydride
CAS:85-44-9
Code:PA
Formula:C8H4O3
Phthalic Anhydride (PA) is a key building block for polyester resins, alkyd resins, and plasticizers, providing excellent thermal stability and chemical resistance.
Technical Specifications
Molecular FormulaC8H4O3
Molecular Weight148.11
Density1.527 g/cm³
Melting Point131.6°C
Boiling Point295°C
Purity99.0% min
Values shown are typical specification targets; request the latest Technical Data Sheet for certified ranges.
Applications
Unsaturated polyester resins
alkyd resins
plasticizers (DOP
DBP)
dyes
pharmaceuticals
Chemical Features
thermoset