
Udeesha Tomar
AVP - Strategy and Solutions
Leading procurement research solutions across chemicals, materials, and food & beverages, with expertise in price forecasting and market analytics.
In Q4 2025, selenic acid prices in China followed an upward trajectory, marked by periods of consolidation and intermittent corrections. At the beginning of the quarter, prices stood at relatively lower levels before moving upward steadily. Midway through the quarter, the market experienced a brief pullback, reflecting short-term adjustments in buying activity and inventory positions. This correction was limited, and prices soon resumed their upward movement. As the quarter progressed, gains accelerated, with sharper increases observed toward the latter part of the period. The sustained rise indicated firm market sentiment, supported by consistent demand from downstream applications including chemical synthesis, specialty formulations, and industrial processing segments. Supply conditions appeared controlled, with no indication of oversupply weighing on values. Trade activity remained active, and procurement interest strengthened as prices continued to climb. By the close of the quarter, selenic acid prices had reached their highest levels of the period, reflecting sustained upward momentum throughout most of the quarter despite minor fluctuations.
Analyst Insight
According to Procurement Resource, in the near term, selenic acid prices are expected to remain firm if demand continues at current levels. Any easing in procurement activity may moderate the pace of further increases.
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Selenic acid prices experienced notable fluctuations during the third quarter of 2025, primarily driven by selenium feedstock cost movements. The quarter began with downward pressure as selenium raw material costs weakened significantly. Producers demonstrated heightened willingness to sell, driven by efforts to reduce inventory levels ahead of mid-year. This created a favourable cost environment for selenic acid manufacturers, though initial market sentiment remained cautious. Competitive tender activity for selenium products intensified during the early period, with transaction prices reflecting prevailing weakness. Market participants noted that selenium prices had reached historically low levels, gradually encouraging buying interest. The downstream manganese plant sector maintained healthy operational activity, providing underlying market support.
A notable turnaround emerged as the quarter progressed. Selenium feedstock prices started stabilizing and subsequently strengthened as market confidence recovered. Transaction prices for crude selenium improved considerably, signalling renewed buyer interest. Suppliers began holding back sales and raising quotations, driving selenium dioxide prices to stabilize after their earlier decline. This recovery in raw material costs translated directly into firmer pricing structures for selenic acid production. The latter portion witnessed continued strengthening as tender activity remained active and winning bid prices demonstrated improved performance.
Selenic Acid is an oxoacid of selenium with a colorless and oily appearance. In industrial processes, it acts as a powerful oxidizing agent as it readily converts into selenium dioxide when it comes in contact with water. As it has high reactivity and toxicity, its usage is limited to only the synthesis of selenium compounds and in trace element analysis.
H2SeO4
Selenium compounds synthesis, Research and development, Analytical Chemistry
Santa Cruz Biotechnology, DNS Fine Chemicals & Laboratories, FINETECH INDUSTRY LIMITED, Hefei TNJ , Chemical Industry, Omkar Specialty Chemicals, Strem Chemicals
CurrencyUS$ (Data can also be provided in local currency)
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In this process, the oxidation of selenium is carried out using bromine as an oxidant in the presence of water. This reaction gives selenic acid as the end product, while hydrobromic acid is obtained as the side product.
The Morris method of production of selenic acid involves the oxidation of selenium dioxide under specific conditions using hydrogen peroxide. The reaction also requires sulfuric acid as a catalyst to increase the rate of formation of selenic acid.

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