Umai Chemical
Umai Chemical is a Japanese chemical manufacturer and trading company specializing in inorganic chemicals, particularly magnesium sulfate.
Last updated August 26, 2026
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Overview
Umai Chemical Co., Ltd., also known as Umai Kasei Kogyo, is a Japanese chemical company headquartered in Naruto City, Tokushima Prefecture. Its business is centered on the manufacture and sale of inorganic chemicals, with magnesium sulfate identified as its principal product. The company is reported to hold the leading share of Japan’s magnesium sulfate sales market, making that product the clearest anchor of its commercial identity. Beyond magnesium sulfate, Umai Chemical manufactures liquid magnesium chloride and several nitrate-based products, including sodium nitrate and nickel nitrate. Its portfolio also includes agricultural and livestock-related chemicals. One named offering is Silky Dip, a dipping agent for cows intended to provide antiseptic protection against mastitis. The company additionally manufactures AdBlue, an aqueous urea solution used in selective catalytic reduction systems to reduce nitrogen-oxide emissions from compatible diesel engines and equipment. Umai Chemical is not limited to its own manufactured products. It also trades in more than 100 chemical products, giving it a broader distribution and supply role within the Japanese chemicals market. Its office network includes locations in Tokyo, Osaka, and Tokushima, alongside its headquarters in Naruto. These locations indicate a domestic operating footprint serving customers and commercial partners in multiple Japanese business centers. Publicly available reference material provides limited information about the company’s founding, ownership, leadership, financial performance, international operations, and corporate milestones. No verified founding year, founder, parent company, listed-company status, ticker, or official website URL is established in the supplied material. Accordingly, Umai Chemical is best characterized as a specialized Japanese chemical manufacturer and distributor whose market profile is defined by inorganic chemicals, a leading domestic magnesium sulfate position, and a diversified range of industrial, agricultural, livestock, and emissions-control products.
History
Umai Chemical is a Japanese chemical company known under the English name Umai Chemical Co., Ltd. and the Japanese corporate name Umai Kasei Kogyo. The available reference material identifies Naruto City in Tokushima Prefecture as its headquarters and describes the company as being principally engaged in the production and sale of inorganic chemicals. The company’s most clearly documented commercial area is magnesium sulfate. This chemical is described as Umai Chemical’s main product, and the company is reported to have the highest share of Japan’s magnesium sulfate sales market. The available material does not specify when the company entered this market, how its market position developed, or the quantitative share represented by the claim. Nevertheless, magnesium sulfate appears to be the central product around which the company’s manufacturing identity is organized. Umai Chemical’s manufacturing range extends beyond magnesium sulfate. It includes liquid magnesium chloride, sodium nitrate, and nickel nitrate. The company also makes products serving non-industrial applications, including Silky Dip, an antiseptic cow-dipping preparation designed to help protect against mastitis. Its production of AdBlue connects the business with emissions-control systems used in diesel vehicles and machinery, broadening its relevance from commodity and specialty chemicals into environmental and transport-related applications. In addition to manufacturing, Umai Chemical operates as a chemical trader. The company is described as handling more than 100 chemical products, suggesting that its business model combines proprietary or in-house production with sourcing and distribution for a wider selection of chemical materials. This trading activity likely allows the company to serve customers whose requirements extend beyond its principal manufactured products, although the supplied sources do not identify specific customers, industries, or distribution arrangements. The company maintains offices in Tokyo, Osaka, and Tokushima, in addition to its headquarters in Naruto. This footprint places its activities across major commercial centers and its home prefecture, but the available material does not provide detailed information about manufacturing-site locations, plant capacity, export activity, employee numbers, revenue, or ownership. It also does not establish a founding date, founder, leadership history, parent company, or stock-market listing. On the evidence available, Umai Chemical’s history is best understood as the development of a domestic Japanese chemical business combining inorganic-chemical manufacturing with broad chemical trading. Its documented product mix spans industrial salts and nitrates, livestock hygiene, and diesel-emissions treatment. Further historical detail requires additional authoritative corporate or archival sources.
Products and positioning
A specialized Japanese inorganic-chemicals manufacturer and chemical trader, with particular strength in magnesium sulfate and selected agricultural, livestock-care, and emissions-control products.
Inorganic chemical
Magnesium sulfate
Magnesium sulfate is Umai Chemical’s main reported product and the foundation of its market profile. The company is described as holding the top market share for magnesium sulfate sales in Japan. The supplied reference does not specify grades, end uses, production volumes, or individual product brands.
Inorganic chemical
Liquid magnesium chloride
Liquid magnesium chloride is among the inorganic chemicals manufactured by Umai Chemical. The available material identifies the product as part of the company’s manufacturing portfolio but does not provide technical specifications, packaging formats, target industries, or details of its market position.
Inorganic chemical
Sodium nitrate
Sodium nitrate is one of the nitrate-based chemicals listed among Umai Chemical’s manufactured products. No further information is provided in the reference material about purity grades, application sectors, volumes, or whether the product is sold under a separate commercial name.
Inorganic chemical
Nickel nitrate
Nickel nitrate forms part of Umai Chemical’s reported range of manufactured inorganic chemicals. The supplied source does not describe its intended applications, technical grade, customer base, or distribution model, so it is documented here only as a product category rather than a detailed branded line.
Livestock hygiene product
Silky Dip
Silky Dip is a cow-dipping agent manufactured by Umai Chemical. It is described as an antiseptic product intended to help protect cattle from mastitis. The available reference does not state its launch date, formulation, regulatory approvals, geographic availability, or detailed instructions for use.
Diesel emissions-control fluid
AdBlue
AdBlue is an aqueous urea emissions-control fluid manufactured by Umai Chemical. It is used with compatible selective catalytic reduction systems to support the reduction of nitrogen-oxide emissions from diesel vehicles and equipment. The source does not identify a distinct Umai-specific formulation or packaging range.
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