Maleic Anhydride

Maleic anhydride is an Organic compound. It is a colorless white solid with an acid odour.

About I G Petro

IGPL produces Maleic Anhydride through wash water generated out of the production process of PAN. Maleic Anhydride is used in agro and food businesses. IGPL also manufactures Benzoic Acid (BA) as a by-product.

Get started swiftly & easily by importing a demo of your choice in a single click. Over 30 high quality professionally designed pre-built website concepts to choose from. I G Petrochemicals Ltd. (IGPL) is equipped with one of the largest capacity at a single location, which will stand at 2,22,110 MTPA of Pthalic Anhydride, 8000 MTPA of Maleic Anyhdride and 1300 MTPA of Benzoic Acid and 8,400 MTPA of plasticizers, post expansion of PAN 4 plant.  The Company has the ability to cater to local and international markets.

IGPL commenced production in the year 1992 with a view to become one of the leading players in the petrochemicals industry. Today, we are the largest producer of PAN in India. Our dynamic spirit to go beyond the normal realms of success and our relentless Will to be the market leader have been the   hallmarks of our pursuit of excellence.

The plant is located at MIDC, Taloja in Raigad District, Maharashtra, India, 50 Km from Jawaharlal Nehru Port Trust (JNPT), Nhavasheva, Maharashtra, thus enabling us to provide unsurpassed customer service to versatile and diversified market since 1992.

Phthalic Anhydride (PAN) is used in manufacturing plasticizers, which are most essential in making PVC products, shoe soles, cables, pipes and hoses, leather cloth, films for packaging and other products. It is also used to manufacture alkyd resins used in paints and in the production of unsaturated polyester resins for building materials, plastic products, textile industries and printing inks.

Being a “value driven” company, the values are a part of individual and collective objectives for continuous business excellence.

Years of Successful Manufacturing



To consistently focus on delivering superior quality products by technological upgradation and utilizing the expanded production capacities to provide the customers maximum value at the most competitive price.



To be well diversified chemical company with leadership position in Phthalic Anhydride Industry.

It is used in the manufacturing of unsaturated polyester resin which is used in Automobiles, Tanks and Pipes, Epoxy resin, Lubricating oil additives and in food industries. Another market for maleic anhydride is lubricating oil additives, which are used in gasoline and diesel engine crankcase oils as dispersants and corrosion inhibitors. The food industry uses malic acid which is derivative of maleic anhydride in artificial sweeteners and flavour enhancements. Personal care products consuming maleic anhydride include hair sprays, adhesives and floor polishes. 

maleic anhydride

Maleic anhydride is also a precursor to compounds used for water treatment detergents, insecticides and fungicides, pharmaceuticals, and other copolymers.

IGPL produces Maleic Anhydride through wash water generated out of the production process of Pthalic Anhydride. Existing capacity of Maleic Anhydride is 6,500 MTPA which will stand at 8,000 MTPA post expansion.

Product Specifications

Sr. No.
Test Conducted
Physical Appearance
White Flakes
Solidification Point (° C)
Colour Of Molten Material
Free Acidity (wt. %)
less than 0.5
Purity wt.% as C4H2O3
> 99.50
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