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About product and suppliers:
        Alibaba.com offers 488 isophthalic acid products. About 15% of these are appliance paint, 9% are organic acid, and 7% are pharmaceutical intermediates. 

A wide variety of isophthalic acid options are available to you, such as industrial grade, agriculture grade, and food grade. You can also choose from carboxylic acid, sulfonic acid, and chloride. As well as from free samples. 

There are 383 isophthalic acid suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Taiwan, which supply 90%, 3%, and 3% of isophthalic acid respectively. 

Isophthalic acid products are most popular in North America, Southeast Asia, and South America. 

You can ensure product safety by selecting from certified suppliers, including 99 with ISO9001, 9 with Other, and 2 with ISO14001 certification.