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)
