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F&B Holding
Phthalic Anhydride (PA)

Acids & Anhydrides

Phthalic Anhydride (PA)

Acid anhydride for plasticisers, unsaturated polyester resins and alkyd and polyester resins.

Shipping terms
EXW · FCA · DAP · DDP
Storage
Ambient
Certifications
REACH

Overview

  • Acid anhydride
  • CAS 85-44-9
  • Purity ≥ 99.8 %
  • REACH registered
  • Bags on pallets

Phthalic Anhydride (PA) is an acid anhydride (CAS 85-44-9 · C₈H₄O₃). Main applications: plasticisers, unsaturated polyester resins, alkyd and polyester resins, dyes and pigments and flame retardants.

Supplied in bags on pallets from European stock (Antwerp, Rotterdam, Hamburg), with delivery across Europe on EXW, FCA, DAP or DDP terms. Registered under EU REACH.

The typical analysis below is taken from the product specification sheet. Specification sheet and safety data sheet available on request.

Specifications

Phthalic Anhydride (PA)Product sheet

Typical analysis

Appearance White flakes
Solidification point ≥ 130.8 °C
Purity ≥ 99.8 %
Content (phthalic acid) < 0.50 %
Content (maleic anhydride) < 0.05 %
Molten colour (APHA) ≤ 20
Colour after heating (APHA) ≤ 50

Specifications

Product type Acid anhydride
CAS number 85-44-9
Molecular formula C₈H₄O₃
Molecular weight 148.12 g/mol
Synonyms 2-Benzofuran-1,3-dione
EU REACH Registered

Packaging

  • 25 kg bags

  • Big bags (500–750 kg)

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