For the Quarter Ending March 2026
Isothiazolinone Prices in APAC
- In China, the Isothiazolinone Price Index rose by 3.32% quarter-over-quarter, driven by stronger export demand.
- The average Isothiazolinone price for the quarter was approximately USD 1350.00/MT, reflecting export-led quarterly strengthening.
- Tight March shipments pushed the Isothiazolinone Spot Price higher as availability tightened at coastal terminals.
- Producer communications indicate the Isothiazolinone Price Forecast remains bullish, driven by export interest and compliance.
- Stable chlorine and acrylonitrile flows kept the Isothiazolinone Production Cost Trend neutral despite compliance expenses.
- Regional formulators front-loaded orders improving the Isothiazolinone Demand Outlook while domestic seasonal lull constrained offtake.
- Rising export bookings tightened the Isothiazolinone Price Index as inventories drew down at Jiangsu, Guangdong.
- Higher freight and insurance premiums pushed seller bids, supporting the Isothiazolinone Price Index despite supply.
Why did the price of Isothiazolinone change in March 2026 in APAC?
- Export demand spike in March consumed available cargoes, reducing spot availability and lifting FOB offers.
- Stable feedstock supplies kept production costs contained, therefore limiting cost-driven price increases during the month.
- Exporters drew inventories down to meet overseas orders, tightening spot availability and enabling higher offers.
Isothiazolinone Prices in Europe
- In Italy, the Isothiazolinone Price Index rose by 7.13% quarter-over-quarter, driven by feedstock and freight.
- The average Isothiazolinone price for the quarter was approximately USD 1513.33/MT, reflecting supply and demand signals.
- Tight March imports lifted the Isothiazolinone Spot Price, pushing the Price Index higher amid export allocations.
- Analysts' Isothiazolinone Price Forecast shows near-term upside from logistic pressures, stabilization expected as availability normalizes.
- The Isothiazolinone Production Cost Trend rose notably due to Formaldehyde and bunker fuel surcharge increases.
- Isothiazolinone Demand Outlook remains steady with domestic offtake from paints, detergents, and wet-wipes supporting volumes.
- Inventories tightened as Asian spot demand reduced export allocations, further strengthening the Isothiazolinone Price Index.
- No major plant outages were reported, sellers adjusted offers, sustaining higher Isothiazolinone Spot Price levels.
Why did the price of Isothiazolinone change in March 2026 in Europe?
- Feedstock Formaldehyde rose significantly, increasing production cash costs and lifting landed offers for Italian imports.
- Container freight and bunker surcharges increased, adding landed-cost pressure and narrowing price arbitrage from Asia.
- Ample offshore availability tightened due to stronger Asian demand and export allocation reductions from suppliers.
Isothiazolinone Prices in North America
- In United States, the Isothiazolinone Price Index fluctuated quarter-over-quarter in Q1 2026, driven by elevated production costs.
- The Isothiazolinone Production Cost Trend increased as the Producer Price Index rose 4.0% year-over-year in March 2026.
- Consumer Price Index inflation reached 3.3% year-over-year in March 2026, pushing up energy-intensive Isothiazolinone production expenses.
- The Isothiazolinone Demand Outlook strengthened because the Manufacturing Index expanded during the quarter ending March 2026.
- Retail sales grew 4.0% year-over-year in March 2026, sustaining downstream demand for Isothiazolinone -derived synthetic fibers.
- Industrial production increased 0.7% year-over-year in March 2026, providing baseline support for general chemical manufacturing needs.
- Byproduct sulfuric acid supply tightened as several nonferrous-metal smelters experienced planned maintenance periods in Q1 2026.
- Construction sector demand for Isothiazolinone derivatives showed mixed signals as multifamily housing starts surged in January 2026.
- The Isothiazolinone Price Forecast remained bullish throughout Q1 2026 due to sustained cost-push inflation and steady demand.
Why did the price of Isothiazolinone change in March 2026 in North America?
- Elevated input costs passed through the supply chain as the Producer Price Index rose in March 2026.
- The Manufacturing Index expanded in March 2026, driving higher consumption of highly reactive base chemical intermediates.
For the Quarter Ending December 2025
APAC
- In China, the Isothiazolinone Price Index fell by 11.9% quarter-over-quarter, reflecting subdued domestic demand conditions.
- The average Isothiazolinone price for the quarter was approximately USD 1306.67/MT, reflecting stable FOB dynamics.
- Isothiazolinone Spot Price movements mirrored Price Index softness as formaldehyde feedstock eased, trimming production costs.
- Isothiazolinone Price Forecast shows modest near-term declines due to ample availability and weak downstream buying.
- Isothiazolinone Production Cost Trend softened as spot formaldehyde eased slightly, modestly reducing variable formulation expenses.
- Isothiazolinone Demand Outlook remains muted with cautious FMCG procurement, mixed textile and construction sector performance.
- Price Index weakness reflected comfortable inventories and steady export flows to India and Italy markets.
- Producers maintained operating rates; absence of winter inspections supported supply stability and restrained upward momentum.
Why did the price of Isothiazolinone change in December 2025 in APAC?
- Stable production and absent inspections maintained ample supply, preventing price recovery during the December period.
- Subdued domestic FMCG and textile procurement, despite some export purchases, weighed on demand and pricing.
- Slight easing in formaldehyde feedstock costs lowered cost pressures, reducing sellers' incentive to raise prices.
Europe
- In Italy, the Isothiazolinone Price Index fell by 11.93% quarter-over-quarter, reflecting weak demand and ample imports.
- The average Isothiazolinone price for the quarter was approximately USD 1412.67/MT, based on assessed spot transactions and distribution reports.
- Isothiazolinone Spot Price firmed modestly in December as inventories tightened and purchase interest resumed ahead of holidays.
- Isothiazolinone Production Cost Trend showed upward pressure as formaldehyde feedstock costs increased materially during mid-December.
- Isothiazolinone Demand Outlook remains mixed with steady coatings offtake but weak FMCG and textile purchasing activity.
- Isothiazolinone Price Forecast anticipates modest correction as destocking persists and import competitiveness limits upward momentum.
- Isothiazolinone Price Index volatility was muted overall, constrained by ample import availability and cautious domestic buying.
- Supply remained comfortable with stable exporter operating rates, elevated inventories, and limited export arbitrage supporting price weakness.
Why did the price of Isothiazolinone change in December 2025 in Europe?
- Rising formaldehyde feedstock costs increased production expense for exporters, supporting upward pressure on assessed spot levels.
- Steady off-take from coatings, detergents, and wipes sustained purchases despite broader subdued FMCG and textile demand contraction.
- Ample imports from China and elevated distributor stocks limited upside, while regulatory compliance narrowed exporter pools.
North America
- The Isothiazolinone Price Index in North America showed modest softening through Q4 2025 as downstream procurement in personal care, household cleaners, and industrial formulations remained cautious, reflecting mixed demand momentum across sectors.
- The Isothiazolinone Spot Price mirrored the softer Price Index, with spot movements indicating lighter buying interest, especially as distributors and formulators balanced inventories against uncertain end-use offtake amid slower consumer goods restocking.
- The Isothiazolinone Production Cost Trend eased slightly through the quarter as key feedstock costs such as formaldehyde and methylisothiazolinone intermediates stabilized, lowering conversion expenses and cushioning conversion margin pressure for manufacturers.
- The Isothiazolinone Demand Outlook in North America remained neutral to mildly subdued during Q4 2025, influenced by restrained FMCG and textile chemical procurement, though demand from industrial and institutional cleaning segments provided some baseline support.
- In September 2025, prices decreased in North America. This was driven by cautious downstream buying from household and personal care product manufacturers ahead of year-end, comfortable inventories carried by distributors, and the absence of significant tightening in feedstock costs, which collectively weighed on the regional Price Index.
- The Isothiazolinone Price Forecast for early 2026 points to range-bound performance with potential mild softening if end-use demand remains subdued; however, any uptick in cleaning product restocking or industrial maintenance cycles could lend support to the Price Index.
For the Quarter Ending September 2025
APAC
- In China, the Isothiazolinone Price Index fell by 11.9% quarter-over-quarter, reflecting subdued domestic demand conditions.
- The average Isothiazolinone price for the quarter was approximately USD 1306.67/MT, reflecting stable FOB dynamics.
- Isothiazolinone Spot Price movements mirrored Price Index softness as formaldehyde feedstock eased, trimming production costs.
- Isothiazolinone Price Forecast shows modest near-term declines due to ample availability and weak downstream buying.
- Isothiazolinone Production Cost Trend softened as spot formaldehyde eased slightly, modestly reducing variable formulation expenses.
- Isothiazolinone Demand Outlook remains muted with cautious FMCG procurement, mixed textile and construction sector performance.
- Price Index weakness reflected comfortable inventories and steady export flows to India and Italy markets.
- Producers maintained operating rates; absence of winter inspections supported supply stability and restrained upward momentum.
Why did the price of Isothiazolinone change in December 2025 in APAC?
- Stable production and absent inspections maintained ample supply, preventing price recovery during the December period.
- Subdued domestic FMCG and textile procurement, despite some export purchases, weighed on demand and pricing.
- Slight easing in formaldehyde feedstock costs lowered cost pressures, reducing sellers' incentive to raise prices.
Europe
- In Italy, the Isothiazolinone Price Index fell by 11.93% quarter-over-quarter, reflecting weak demand and ample imports.
- The average Isothiazolinone price for the quarter was approximately USD 1412.67/MT, based on assessed spot transactions and distribution reports.
- Isothiazolinone Spot Price firmed modestly in December as inventories tightened and purchase interest resumed ahead of holidays.
- Isothiazolinone Production Cost Trend showed upward pressure as formaldehyde feedstock costs increased materially during mid-December.
- Isothiazolinone Demand Outlook remains mixed with steady coatings offtake but weak FMCG and textile purchasing activity.
- Isothiazolinone Price Forecast anticipates modest correction as destocking persists and import competitiveness limits upward momentum.
- Isothiazolinone Price Index volatility was muted overall, constrained by ample import availability and cautious domestic buying.
- Supply remained comfortable with stable exporter operating rates, elevated inventories, and limited export arbitrage supporting price weakness.
Why did the price of Isothiazolinone change in December 2025 in Europe?
- Rising formaldehyde feedstock costs increased production expense for exporters, supporting upward pressure on assessed spot levels.
- Steady off-take from coatings, detergents, and wipes sustained purchases despite broader subdued FMCG and textile demand contraction.
- Ample imports from China and elevated distributor stocks limited upside, while regulatory compliance narrowed exporter pools.
North America
- The Isothiazolinone Price Index in North America showed modest softening through Q4 2025 as downstream procurement in personal care, household cleaners, and industrial formulations remained cautious, reflecting mixed demand momentum across sectors.
- The Isothiazolinone Spot Price mirrored the softer Price Index, with spot movements indicating lighter buying interest, especially as distributors and formulators balanced inventories against uncertain end-use offtake amid slower consumer goods restocking.
- The Isothiazolinone Production Cost Trend eased slightly through the quarter as key feedstock costs such as formaldehyde and methylisothiazolinone intermediates stabilized, lowering conversion expenses and cushioning conversion margin pressure for manufacturers.
- The Isothiazolinone Demand Outlook in North America remained neutral to mildly subdued during Q4 2025, influenced by restrained FMCG and textile chemical procurement, though demand from industrial and institutional cleaning segments provided some baseline support.
- In September 2025, prices decreased in North America. This was driven by cautious downstream buying from household and personal care product manufacturers ahead of year-end, comfortable inventories carried by distributors, and the absence of significant tightening in feedstock costs, which collectively weighed on the regional Price Index.
- The Isothiazolinone Price Forecast for early 2026 points to range-bound performance with potential mild softening if end-use demand remains subdued; however, any uptick in cleaning product restocking or industrial maintenance cycles could lend support to the Price Index.
For the Quarter Ending March 2025
North America
- In Q1 2025, the North American Isothiazolinone market experienced price fluctuations, influenced by sectoral demands and economic conditions. January saw a modest price increase due to steady demand from the wastewater treatment sector, driven by stringent environmental regulations. However, February witnessed a slight dip as the paper and pulp industry faced challenges, with companies like International Paper Co. (IP) and Packaging Corp of America (PKG) experiencing market pressures. March brought renewed price pressures, driven by rising raw material costs and supply chain disruptions.
- The wastewater treatment sector's performance notably impacted Isothiazolinone demand. The increasing need for effective biocides in industrial wastewater treatment contributed to market growth. However, the paper and pulp industry faced challenges, with production slowdowns impacting demand for Isothiazolinone derivatives used in manufacturing processes.
- Overall, North America's Isothiazolinone market in Q1 2025 was shaped by a recovering wastewater treatment sector and a struggling paper and pulp industry, leading to a nuanced pricing landscape influenced by varying sectoral demands and economic factors.
Asia
In Q1 2025, the APAC Isothiazolinone market experienced downward pressure driven by excessive inventories and persistent destocking across key markets. Industrial demand softened amid manufacturing contractions and subdued new orders, while freight cost reductions further eased import expenses, particularly in import-dependent regions. Despite pockets of sectoral growth, overall chemical consumption remained weak, with cautious purchasing behavior prevailing. The market sentiment was predominantly bearish, reflecting oversupply and muted downstream demand, with limited price recovery prospects as the quarter progressed. China's Isothiazolinone prices declined by 8.07% from Q4 2024 to Q1 2025, averaging $1567.33 USD/MT in the current quarter. Monthly prices remained relatively flat, underscoring persistent oversupply and subdued industrial activity, as manufacturing contracted and export orders weakened. The market trend is bearish, driven by cautious procurement and ongoing destocking. Near-term outlook suggests continued price pressure, tempered by occasional modest rebounds linked to shifting demand patterns.
Europe
In Q1 2025, the European Isothiazolinone market experienced moderate price fluctuations, influenced by sectoral demands and economic conditions. January saw stable prices due to balanced supply and demand, even as economic factors slowed the paint and coatings sector. High interest rates and reduced trade activity tempered demand, keeping commodity prices steady. Germany’s cautious market approach, combined with ample inventory levels, limited price fluctuations despite attempts to curb production and stabilize margins. However, competition from imports prevented any significant price increases, maintaining a steady market landscape.
The wastewater treatment sector contributed to steady demand, driven by stringent environmental regulations and the need for effective biocides. The pulp and paper industry also showed resilience, with companies like UPM and Stora Enso maintaining operations, supporting consistent consumption levels in downstream applications. Overall, Europe's Isothiazolinone market in Q1 2025 was shaped by stable demand in key sectors, balanced supply, and cautious economic sentiment, leading to a nuanced pricing landscape.
