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Yancheng explosion caused the price of textile dyes to rise

Yancheng explosion incident or affecting the production of dye intermediates, resulting in rising textile dye prices

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Cailian News, it is reported that affected by the explosion of the intermediate mainstream manufacturer in Jiangsu Province, Jiangsu Tianjia Yihua Plant on March 21, the price of disperse dye intermediates such as phenylenediamine and disperse dyes has increased significantly. Among them, the market for m-phenylenediamine has reached 14 to 150,000/ton, which is 180%-200% higher than the original price of nearly 50,000/ton; the price of disperse dye (taking mainstream disperse black as an example) About 40,000 yuan / ton rose to the current 52,000 yuan / ton, an increase of 30%.

Jiangsu Tianjiayi Chemical Co., Ltd. is a fine chemical enterprise of m-phenylenediamine and p-phenylenediamine series products under the Jiangjia Nejiagang Chemical Co., Ltd., with an annual production capacity of 20,000 tons. The product is mainly used as an intermediate in the manufacture of pharmaceuticals, pesticides and dyes.


Anyone familiar with the dye industry knows that Tianjiayi Chemical Company has an important position in the dye industry. The company is mainly engaged in the production of phenylenediamine. It is one of the largest domestic companies in the production and operation of this kind of products, brand influence, production capacity and sales. The total amount accounts for the forefront of the same industry in the country.

Phenylenediamine is an important dye intermediate, mainly used in aramid, azo dyes, sulfur dyes, acid dyes, etc.; but phenylenediamine is also a toxic compound, has a strong sensitizing effect, can cause contact dermatitis, eczema ,Bronchial Asthma. Therefore, the production of phenylenediamine is limited, and the production capacity is also relatively concentrated. At present, the global production of phenylenediamine companies include Zhejiang Longsheng, DuPont and Mitsui. Among them, domestic phenylenediamine producers include Zhejiang Longsheng (70,000 tons), Jiangsu Tianjiayi (17,000 tons) and Sichuan Hongguang (2000 tons).

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