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Postion:Product Catalog >Organic Chemistry>Carboxylic acids and derivatives>Carboxylic Acid Anhydrides>Phthalic Anhydride
Phthalic Anhydride
  • Phthalic Anhydride

Phthalic Anhydride NEW

Price Get Latest Price
Package 1KG
Min. Order: 1KG
Supply Ability: 500 tons
Update Time: 2024-06-18

Product Details

Product Name: Phthalic Anhydride CAS No.: 85-44-9
EC-No.: 201-607-5 Min. Order: 1KG
Purity: 99% Supply Ability: 500 tons
Release date: 2024/06/18

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Phthalic anhydride is the organic compound with the formula C6H4(CO)2O. It is the anhydride of phthalic acid. Phthalic anhydride is a principal commercial form of phthalic acid.

The primary use of phthlic anhydride is as a chemical intermediate in the production of plastics from vinyl chloride. Phthalate esters,which function as plasticizers, are derived fromphthalic anhydride. Phthalate plasticizers are used for the production of flexible PVC products such as cables, pipes and hoses, leather cloth,shoes,film for packaging etc. Phthalic anhydride has another major use in the production of polyester resins and other minor uses in the production of alkyd resins used in paints and lacquer;certain dyes; insect repellents; and polyester polyol for polyurethanes.It is also utilized as a rubber scorch inhibitor and retarder. 

Product namePhthalic anhydride
CAS85-44-9
MFC8H4O3
MW148.12
EINECS201-607-5
Melting point131-134 °C(lit.)
Boiling point284 °C(lit.)
Density1,53 g/cm3
Solubility6 g/L (20 oC)
Flash point152 °C
StorageStorage at RT
FormPowder
ColorWhite
Package25kg/bag

ITEMS OF ANALYSIS

SPECIFICATION

APPEARANCE:

White flake or crystalline powder

MELTING COLOR(PT/CO)≤

20APHA Max.

HEATING COLOR(PT/CO)≤

50APHA Max.

SULPHURIC ACID CLOUR INDEX(PT/CO)≤

40APHA Max.

SOLIDIFICATION POINT

 

130.8Degree C Min

PURITY

99.50%Min.

FREE ACID

0.20%

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