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Phthalic Anhydride (PA/Phthalic Acid Anhydride)
phthalic anhydride pa 1
phthalic anhydride pa
phthalic anhydride pa2

Phthalic Anhydride (PA/Phthalic Acid Anhydride)

Phthalic anhydride is an organic compound, C8H4O3, which is a circular anhydride formed by the dehydration of phthalic acid molecules. Phthalic anhydride is a white solid, it is an important raw material in the chemical industry, especially used in plasticizer manufacture. HS code for PA is 2917350000. As one of the best phthalic anhydride suppliers in China, Douwin has many high-quality products. If you are interested in phthalic anhydride, please contact us.

Features of Phthalic Anhydride (PA)

  1. Hypotoxic

  2. The danger of combustion in case of high heat, open flame, or contact with an oxidizer

  3. The eighth category of dangerous goods


Phthalic Anhydride Properties


Phthalic Anhydride  Cas Number (Cas No.)85-44-9
Phthalic Anhydride UN Number2214
Phthalic Anhydride Molecular FormulaC8H4O3
Phthalic Anhydride Formula Structurephthalic-anhydride-formula-structure.jpgphthalic-anhydride-formula-structure.jpg
Phthalic Anhydride Molecular Weight148.11
Phthalic Anhydride IUPAC Name2-benzofuran-1,3-dione
Phthalic Anhydride SynonymsPhthalic Acid Anhydride
Phthalic Anhydride Density At1.53 g/cm³
Phthalic Anhydride Boiling Point284℃
Phthalic Anhydride Melting Point130.8℃



Storage and Delivery of Phthalic Anhydride / Phthalic Acid Anhydride

As one of the most professional phthalic anhydride suppliers in China, Douwin has great solutions for phthalic anhydride storage and delivery. For the package, PA is available in 25kg/bag, 500kg/bag. Welcome to contact us for more information about phthalic anhydride storage and delivery. Douwin is your reliable phthalic anhydride manufacturer/supplier.


Products

Phthalic Anhydride Applications




FAQs of Phthalic Anhydride/Phthalic Acid Anhydride


Q. What is phthalic anhydride made from?
A.

Phthalic Anhydride is made from phthalates or naphthalene.

Q. What is phthalic anhydride used for?
A.

It is widely used in the production of plasticizers and pigments. It can also be used as a scorch retarder, light stabilizer and heat stabilizer.

Q. Is phthalic anhydride dangerous?
A.

If exposed to phthalic anhydride, it may cause acute irritation to personnel, including irritation to eyes, respiratory tract and skin, but no permanent damage has been observed.

Q. Which process reaction does formation of phthalic anhydride take place by?
A.

There are three ways of the phthalic anhydride production process: Ortho-xylene process, naphthaline process and mixing process.


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