Performance Chemicals High-purity Inorganic Chemicals
Toagosei manufactures high-purity products including caustic potash and hydrochloric acid for use as raw materials. We have an integrated production line that spans from raw materials sourcing to high-purity finished products, eliminating intermediate transportation and also the risk of contamination. We have established a strong track record in supplying high purity and stable products for the semiconductor, electronic materials, and pharmaceuticals fields.
Main Products
Liquefied Hydrogen Chloride (General Purpose and High-Purity)
Liquefied hydrogen chloride is used in epitaxial processes for semiconductor manufacturing and in the manufacturing of intermediates for pharmaceuticals and pesticides.
High-purity Potassium Hydroxide Aqueous Solution
Product NameKOH L-HM, Super KOH Ex-α, and Super KOH R
We purify potassium hydroxide aqueous solution produced by electrolysis of salt water to produce products with less metal impurities.
High-purity Potassium Carbonate Aqueous Solution
This solution is used in electronic materials and as a raw material for high-purity chemicals.
High-grade ferric chloride solution (Iron trichloride solution)
This solution has a low content of other heavy metals. It is used in metal etching and pigments.
High-purity hexachlorodisilane
Product NameHCD
High-purity hexachlorodisilane (HCD) is a film forming material for semiconductors that was commercialized for the first time in the world by Toagosei.
Manufactured using our unique technologies, HCD occupies the top market share globally due to its high quality and stability.
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