Description
Phthalic Anhydride (PA) | Properties, Production, and Applications
Phthalic Anhydride (PA) is a white, crystalline organic compound with the chemical formula C₆H₄(CO)₂O. It is produced primarily by the catalytic oxidation of orthoxylene (o-xylene) or naphthalene and is considered a vital intermediate in the manufacture of plasticizers, resins, dyes, and alkyd coatings.
—
Key Chemical & Physical Properties
- Chemical formula: C₈H₄O₃
- Molecular weight: 148.12 g/mol
- Melting point: 131°C
- Boiling point: 295°C (sublimation)
- Appearance: White flakes or powder
- CAS Number: 85-44-9
—
Main Industrial Applications
-
Plasticizer Production
- Used to manufacture phthalate esters (e.g., DOP, DBP) for flexible PVC. -
Alkyd Resins & Coatings
- Key component in paints, varnishes, and architectural coatings. -
Unsaturated Polyester Resins (UPR)
- Used in fiberglass-reinforced plastics and gel coats. -
Pigments & Dyes
- Raw material in the production of colorants and optical brighteners. -
Pharmaceuticals & Agricultural Chemicals
- Intermediate in synthesizing certain medicines and agrochemicals.
—
Iranian Phthalic Anhydride for Export
Iran is a strategic producer of phthalic anhydride, especially from petrochemical hubs like Bandar Imam and Isfahan. With consistent purity, high-quality flake formation, and competitive export pricing, Iranian PA is in demand in markets like:
-
Turkey
-
UAE
-
India & Pakistan
-
Eastern Europe
-
CIS countries
—
Packaging Options
-
25 kg bags with inner PE liner
-
500 kg or 1 MT jumbo bags
-
Bulk in containers (upon request)
—
Why Source from PetroExportHub?
Direct-from-plant supply with export documentation
Consistent quality + COA & MSDS available
Fast delivery from Bandar Abbas or Imam Khomeini ports
Support in English, Arabic, Turkish, and Russian
Flexible payment & logistics options for bulk buyers
—
📩 Contact our export team to receive a technical datasheet and FOB/CFR quote:
✉ sales@petroexporthub.com
Reviews
There are no reviews yet.