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China and the United States are the leading exporters of calcium phosphite, accounting for the majority of global shipments, while India, Brazil, and Germany represent the largest importers. Calcium phosphite prices have remained relatively stable amid steady demand from agricultural and industrial sectors. Imports by India and Brazil have grown steadily since 2022, reflecting increased adoption in crop protection formulations, while export volumes from China have plateaued after peaking in 2023.
Calcium phosphite is a white, crystalline solid with no characteristic odor and low volatility; it decomposes before melting and is sparingly soluble in water. It is an inorganic salt derived from phosphorous acid and calcium hydroxide. Primarily used as a fungicidal active ingredient and plant biostimulant, it serves as a source of bioavailable phosphite ions in agricultural formulations. Its main commercial applications are in crop protection products for disease control (e.g., against oomycete pathogens) and in foliar and soil-applied nutritional supplements. It is widely employed in the agrochemical industry for specialty horticultural, viticultural, and arable crop protection programs.
crystal(s); used in fertilizers and polymerization catalysts [MER06]
This chemical is included in Fine Chemicals. See more about what is Calcium phosphite and Calcium phosphite SDS information.
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