Phthalic Anhydride

CAS #85-44-9

C8H4O3

About

Phthalic anhydride (PA) is a white crystalline compound used to manufacture plasticizers, pigments, dyes and resins. One major consumer of PA is the phthalate plasticiser industry, the products of which are used to produce flexible plastic products such as wire & cable applications, hoses, pipes, coated fabrics, roofing membranes and swimming pool liners.

Synonyms

Isobenzofuran-1,3-dione

Property

Specifications

Structure

IUPAC Name

2-Benzofuran-1,3-dione

Appearance

white flakes

Molar Mass

148.1 g/mol

Density

1.53 g/cm3, solid

Melting Point

131.6 °C (268.9 °F; 404.8 K)

Boiling Point

295 °C (563 °F; 568 K) sublimates

Solubility in Water

0.62 g/100g (20—25 °C);

Vapour Pressure

0.0015 mmHg (20 °C)[2]

Flash Point

152 °C (306 °F; 425 K)

Viscosity

-

Odour

characteristic, acrid

APHA Value

-

Hazard Identification

UN Hazard Class:8

Uses & Applications

Phthalic Anhydride is an important aromatic di-carboxylic acid anhydride,which is widely used in the manufacture of Alkyd Resins for Paints, Inksand Coatings, Unsaturated Polyester Resins, Plasticizers & Pigments.

Market Driving Factors

The global phthalic anhydride market was valued at $3.7 billion in 2020,and is projected to reach $5.6 billion by 2030, growing at a CAGR of 4.2%from 2021 to 2030

Grades Available

Technical

Origin

Indian Origin

Packaging

25 kg/500 kg/750 kgs HDPE bags

Stability/Shelf Life

TDS

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