Phthalic acid CAS# 88-99-3

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• Chemical Name:  Phthalic acid
• CAS No.:     88-99-3
• Molecular Fomula: ：C8H6O4
• Molecular weight：166.13
• Appearance:Colorless flaky crystals
• Sample：Available

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Description of kyselinaftalova

• Phthalic acid is an aromatic dicarboxylic acid, with formula C6H4(CO2H)2. It is an isomer of isophthalic acid and terephthalic acid. Although phthalic acid is of modest commercial importance, the closely related derivative phthalic anhydride is a commodity chemical produced on a large scale.

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Basic Info
Numbering system
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Basic Info

Numbering system

Properties

Safety Info

What is Phthalic acid ?

• With the progress of science and technology and the development of society, chemical products have invariably permeated our daily lives, in medicine, food, cosmetics, electronics, industry, and other areas, becoming an essential part of our lives. One such product is Phthalic acid   which has developed particularly rapidly in recent years. Do you know about Phthalic acid?
• The official answer：Colorless flake crystal. Melting point 234℃ (phthalic anhydride is produced when heated above 200℃), relative density 1.593. soluble in methanol, ethanol, slightly soluble in water and ether, insoluble in chloroform.

What’s the application of Phthalic acid ?

• It is used in synthetic resins, synthetic fibers, and pharmaceuticals. Due to the similar chemical properties of phthalic acid and phthalic anhydride, phthalic anhydride is often produced directly in the industry. In applications, phthalic anhydride can be used instead of phthalic acid. It has an oral LD50 of 7.9g/kg in rats and is used in the manufacture of dyestuffs, polyester resins, polyester, drugs, plasticizers, etc. It is used as a chemical reagent and chromatographic analysis reagent to prepare standard solutions and as a standard for the alkali method. Determination of cobalt, copper, germanium, mercury, nickel, potassium, strontium, and zinc, determination of cobalt, iodate, and lead, etc. Organic synthesis.

Conclusion

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