Over half the production of phthalic anhydride is used in the manufacture of phthalate esters (mainly dioctyl phthalate, DOP), employed as plasticisers in PVC. Other major uses are in polyester resins and (decreasingly) in alkyd resins. About 10% of phthalic anhydride production is used in the production of isatoic anhydride and chemical feedstock.
The major end use of DOP is in the construction and transportation industries. Alkyd resins containing PA are used in solvent-borne protective coatings. As paint technology increasingly utilises water-borne technologies, many PA-based alkyds have lost out to alternative raw materials.
Other minor uses are in the manufacture of dyes, magnesium peroxyphthalate for detergents, rubber retarder, scorch inhibitor for rubber stocks, hardener for resins, synthesis of phenolphthalein and other phthaleins, curing agent for epoxy resins, fire retardants, polyester resin cross-linking agents and drying oil modifiers.
PA can irritate the skin, throat and eyes
ICIS pricing quotes phthalic anhydride in Europe, Asia-Pacific and the
Frequency:
Published weekly on Fridays in
Published weekly on Tuesdays in
Phthalic Anhydride (
Weekly Price Assessments:
Phthalic Anhydride Contract Prices
Phthalic Anhydride Spot Prices
Phthalic Anhydride Feedstock Quarterly Contract Prices
Phthalic Anhydride (ASIA-PACIFIC)
Weekly Price Assessments:
Phthalic Anhydride Spot Prices
Phthalic Anhydride Feedstock Prices
Phthalic Anhydride (
Weekly Price Assessments:
Phthalic Anhydride Monthly Contract Prices
Phthalic Anhydride Feedstock Prices
General Information:
Assessment window: Price assessments are based on information supplied by market participants through the week up to close of business on Fridays at 1700 hours in London, Singapore and on Tuesdays at 1700 hours in Houston.
Specification: Flakes and molten product are quoted with a minimum purity of 99.7%.
Timing: Cargoes loading or delivered four-six weeks forward from the date of publication.
Terms: 30-60 days after bill of loading date. In
Standard cargo size: A typical cargo size in
Assessment basis: European contract and spot price ranges are assessed following verification from major buyers and sellers in northwest
Commentary in the USA report centres on demand from both the plasticisers and UPR sectors and price movements in upstream markets. PA prices are quoted monthly and mirror the previous month’s contract price changes in feedstock orthoxylene (OX). While most demand is for molten material, imports usually feature flake (or solid) PA.
The
All regional reports offer market commentary that includes details of traced transactions, news on the supply/demand balance, export/import information, contract price negotiations and general sentiment for price direction. Where applicable there is product information, comments on up and downstream market developments and general market intelligence. The
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