Diphenhydramine Hydrochloride Prices Ease 3.33% in China, as Supplies Overwhelm Demand

Diphenhydramine Hydrochloride Prices Ease 3.33% in China, as Supplies Overwhelm Demand

Jane Austen 26-Feb-2026

China's Diphenhydramine Hydrochloride market faced a softer January, pressured by weaker overseas demand and seller concessions to clear inventories. Domestic producers kept full operating schedules, while inquiries from India and Southeast Asia softened as buyers worked through year-end stocks. By month-end, Chinese offers were trimmed, setting a bearish tone. Domestic OTC call-offs remained steady, while institutional tenders failed to add volumes, leaving producers with limited leverage and prompting price-reducing moves to stimulate shipments and protect baseline export volumes. Demand varied across end-markets; OTC formulators reported steady yet subdued call-offs for cough/cold and sleep aids, while hospitals and institutional procurement remained weak, with tender rounds yielding no incremental injections. Export-oriented buyers likewise reduced purchases as regional customers cleared inventories. Production ran near nameplate in Yangtze River Delta with feedstocks readily available and conversion costs stable; energy costs were broadly supportive. Forecasts point to modest near-term downside followed by a gradual recovery into coming year, dependent on order flow and destocking dynamics.

Selenis has effectively manufactured recycled PET chips using terephthalic acid sourced from Circ®, a textile-to-textile recycler based in Virginia. The chip production took place through a series of batches at Selenis' pilot plant in San-Giorgio, Italy. By utilizing inputs recovered from polycotton textile waste, Selenis has created high-quality PET chip, which has been further processed into DTY yarn. This yarn will play a crucial role in product development as Circ prepares for additional capsule launches. Selenis is leveraging the success of this initial collaboration phase and is committed to advancing towards an offtake partnership to support Circ's inaugural industrial facility. Eduardo Santos, Head of Corporate Strategy at Selenis, remarked that the monomer synthesis showed a performance comparable to virgin terephthalic acid. He expressed optimism about the consistent quality of Circ's monomer output and anticipated future commercial success. Santos pointed out that the Circ partnership complements Selenis's existing mission and goals for a more sustainable textile industry. He further stated their anticipation of expanding upon this collaboration and providing support for Circ's forthcoming commercial production trials.

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