Phthalic Anhydride
CAS 85-44-9
Supply specifications, test methods and typical values for your technical assessment.
- CAS
- 85-44-9
- Formula
- C8H4O3
Technical Specifications
| Parameter | Value | Test method |
|---|---|---|
| Appearance | White-coloured flakes, powder or molten liquid | Visual |
| Phthalic anhydride content, % | min 99,9 | ASTM E 1899 · % |
| Crystallisation temperature, °C | min 130,9 | ASTM D 938 · °C |
| Phthalic acid content | Not present | — |
| Maleic anhydride content, % | max 0,05 | ASTM E 1899 · % |
| Iron content, % | max 0,0002 | ASTM D 4040 · % |
| Ash content, % | max 0,002 | ASTM D 482 · % |
| Colour (Hazen) - at shipment, Hazen | max 15 | ASTM D 1209 |
| Colour (Hazen) - over shelf life, Hazen | max 20 | ASTM D 1209 |
| Colour after heating (250°C / 90 min), Hazen | max 40 | ASTM D 1209 · °C |
Application Areas
Plasticiser production (DOP, DINP, etc.). Alkyd resin production. Paint and coating systems. Unsaturated polyester resins. Pigment and dye chemicals. Rubber chemicals. Insulation materials. Chemical intermediate manufacture. Fibreglass resin systems.
- Plasticiser (DOP/DINP)
- Alkyd Resin
- Unsaturated Polyester
- Paint and Coating
- Pigment Production
- Rubber Chemicals
Packaging & storage
Packaging
PP Bag: 25 kg. Big Bag: 500-1000 kg. Molten Bulk Tank: 20-24 MT. ISO Tank: 20-24 MT.
Storage
Shall be stored in cool, dry and well-ventilated areas. Contact with moisture must be avoided. Crystallisation may occur at low temperatures. Keep away from oxidisers.
Shelf Life
12 months
Documents & product information
Technical Data Sheet
For the complete product record, applications and related products, review the product details.
Full product details ↗Safety & lot documents
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Document date:
This document shows the applicable KORKİMYA supply specification for Phthalic Anhydride supplied by KORKİMYA. This document is not a lot analysis result. A lot-specific certificate of analysis is issued with every shipment.
For full product information, see the Phthalic Anhydride product page.