Name:O-phthalic Anhydride 
CAS: 85-44-9

Chemical formula: C₈H₄O₃

Molecular weight: 148.11

Melting point: 130.8 ºC

Boiling point: 284 ºC

Water soluble: soluble in hot water

Density: 1.53 g/cm³

Exterior: White, acicular crystal

Flash Point: 152 ºC

1. Phthisic anhydride is one of the most important organic chemical raw materials, its main derivatives are dibutyl phthalate;Dioctyl and diisobutyl ester are used as plasticizers for PVC, etc. It can also be used to produce unsaturated polyester resin. Alkyd resin; Dyes and pigments; A variety of paints; Food additives; Phenolphthalein, a laxative used in medicine; mine triphosphate in pesticides; Grass pine and saccharin sodium and so on.

2. This product is used as curing agent for epoxy resin. This product is an important organic chemical raw material, mainly used in the production of phthalate plasticizers, coatings, saccharin, dyes and organic compounds of the important intermediate, pesticide, fungicide, rubber processing AIDS, photosensitive materials, etc.

3. Used as analytical reagent.Organic synthesis intermediate. The dye industry is used to prepare anthraquinone, 2-chloroanthraquinone, 1, 4-dihydroxy anthraquinone and other important intermediates, as well as phthalocyanine blue BS, phthalocyanine blue BX, phthalocyanine blue B and other dyes.

4. It is an important organic chemical raw material. In the synthetic resin industry for the production of polyester resin, amino resin, unsaturated polyester resin, alkyd resin and so on. Dye industry is used to prepare anthraquinone, chloroanthracene dihydroxyl anthraquinone and other dye intermediates and phthalocyanine blue BS, phthalocyanine blue BX, phthalocyanine blue B and other dyes.The plastics industry is used to prepare plasticizers such as dibutyl phthalate, dioctyl phthalate and their mixtures. It is also an important intermediate in the manufacture of many medicines, paints and organic compounds.

5. Used for manufacturing plasticizers, dibutyl benzoate, resins and dyes, etc.


 

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