Best Grade Tetrachlorophthalic Anhydride Manufacturers in China
Grade tetrachlorophthalic anhydride is a chlorinated aromatic dicarboxylic acid anhydride used as an intermediate across flame retardants, pigments, coatings, and agrochemical synthesis. Supplied as white crystals or a fine crystalline powder, it is valued for thermal stability and consistent purity in downstream reactions. China is a major production base for this material, supported by mature chlor-alkali and fine-chemical supply chains. The names below represent Chinese makers and houses that supply graded tetrachlorophthalic anhydride to markets worldwide.
In No Particular Order
Shaoxing Huawei Chemical Co., Ltd.
https://www.huaweichemical.com/
Shaoxing Huawei Chemical Co., Ltd. was founded in 1988 and is based in the Binhai Industrial Zone, Keqiao District, Shaoxing City, Zhejiang Province. The company specializes in basic chemical raw materials and runs a production base with strong transport access - about 10 kilometers from the Hangyong Expressway, 30 kilometers from Hangzhou Xiaoshan International Airport, and within three hours of the Shanghai and Ningbo ports.
Tetrachlorophthalic anhydride sits at the center of the company's catalog, offered in industrial, high-purity (≥99.5%), reagent, flame-retardant, pigment-synthesis, and pesticide-intermediate grades. Alongside it, the site also produces triphenylphosphine and liquid magnesium chloride, with annual capacities in the thousands of tons. Guided by the purpose of creating wealth, achieving employees, and benefiting society, Huawei Chemical combines strict quality management with advanced production and testing equipment for steady, large-scale supply.
Shaoxing Huawei Chemical Co., Ltd.
Shaoxing Huawei Chemical's grade tetrachlorophthalic anhydride is supplied as white crystals or a fine crystalline powder with stable, consistent purity for downstream use.
The material is offered across several grades - industrial, high-purity, reagent, and flame-retardant - to match different synthesis needs.
Backed by large-scale capacity and strict quality control, it serves flame-retardant, pigment, coating, and agrochemical applications.
RUIHUA
Ruihua Chemical operates from Zhejiang and focuses on fine and specialty chemical materials. Its catalog includes graded tetrachlorophthalic anhydride alongside other chlorinated intermediates for industrial use.
KAISON
Kaison Fine Chemical is based in Shandong and works on organic intermediates and anhydride products. The company supplies tetrachlorophthalic anhydride in standard industrial grades.
LONGTENG
Longteng Chemical runs a production base in Jiangsu dedicated to aromatic and chlorinated intermediates. Its range covers tetrachlorophthalic anhydride for pigment and coating applications.
HENGTAI
Hengtai Chemical is located in Hebei and develops basic and fine chemical raw materials. Tetrachlorophthalic anhydride forms part of its intermediate product line.
SANXING
Sanxing Chemical operates from Henan with a focus on chlorinated aromatic compounds. The team produces tetrachlorophthalic anhydride across several routine grades.
BOLONG
Bolong Chemical is a Hebei-based maker of anhydride and derivative materials. Its tetrachlorophthalic anhydride is offered as white crystalline powder for broad industrial use.
TONGFA
Tongfa Industrial is based in Shandong and produces chemical intermediates for coatings and plastics. Tetrachlorophthalic anhydride sits within its anhydride collection.
XINYU
Xinyu Chemical develops fine chemical products from its Jiangsu base. The tetrachlorophthalic anhydride line is supplied in a selection of grades and package sizes.
