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Diethyl Sulfate Analysis 2026: Supply Demand Analysis, Price Drivers, Historical Prices, Market Insights & Latest News
Diethyl Sulfate Price Trend Q4 2025
Asia
In Q4’25, diethyl sulfate prices in Asia increased slightly. The rise in sulfur and sulfuric acid costs affected production, as these are key raw materials for chemical synthesis. Limited availability of feedstock and higher operational costs pushed manufacturers to be more cautious with supply. Buyers from downstream sectors such as fertilizers, pharmaceuticals, and specialty chemicals were selective in their purchases, leading to moderate trading activity. Seasonal demand provided minor support, but overall, the market remained under pressure from tight supply and rising costs.
Europe
European diethyl sulfate markets faced notable price pressures during Q4’25. Rising sulfur prices and high energy costs increased production expenses, and some smaller plants reduced output temporarily. Import availability from Asia remained limited, which constrained supply further. Downstream users, particularly in agrochemicals and industrial applications, delayed purchases due to uncertain economic conditions, keeping demand cautious. Overall, the combination of high feedstock costs and subdued buying activity kept prices elevated but prevented sharp movements.
North America
In North America, diethyl sulfate prices were relatively stable but slightly firm. Supply was steady as local producers maintained output, although higher costs for sulfur and energy put upward pressure on production expenses. Buyers from industrial and chemical sectors continued routine procurement, without major spikes in demand. Export flows supported market balance, and cautious inventory management by producers helped prevent oversupply. Prices showed minor fluctuations but remained controlled compared with Asia and Europe.
Analyst Insight
According to Procurement Resource, Diethyl Sulfate prices are likely to stay supported in the near term due to ongoing high feedstock costs, but market movements will depend on sulfur availability and changes in downstream demand.
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Asia
In the third quarter of 2025, Diethyl Sulfate prices in Asia showed mixed movement, influenced by feedstock and downstream conditions. The overall market stayed supported during July and August as regional sulfur values firmed, driven by tighter supply at Chinese ports and stronger costs for sulfur-based intermediates. However, toward late September, traders became cautious as high raw material costs reduced margins for local producers.
In China, stable operating rates in the fertilizer and chemical sectors kept domestic demand steady, though inventory levels at major ports indicated limited room for further price increases. Southeast Asia saw moderate activity, with Thailand and Malaysia showing steady consumption from the ethoxylates and surfactant sectors. Export interest remained limited due to competitive offers from other regions.
Europe
In Europe, Diethyl Sulfate prices edged slightly higher through most of Q3 as supply constraints supported production costs. The region also faced higher logistics and energy expenses, adding mild upward pressure on overall pricing. However, downstream chemical production in Western Europe was subdued amid sluggish industrial recovery and cautious buying. Producers focused on balancing supply to avoid stock build-up, leading to a mostly stable-to-firm price trend. Market players noted that improved sulfuric acid values earlier in the quarter contributed to higher manufacturing costs, though softer demand by September moderated any significant gains.
North America
In North America, Diethyl Sulfate prices remained mostly steady, supported by consistent domestic production and soft but stable demand from the agrochemical and pharmaceutical intermediates sectors. Feedstock conditions were relatively favorable as local raw material availability improved. However, the broader petrochemical market sentiment was mixed. Despite the strength in base olefin prices, downstream demand did not accelerate significantly. The overall sentiment of the market was balanced, with minimal volatility reported through the quarter.
About Diethyl Sulfate
Diethyl sulfate is a colourless, caustic, oily liquid with a slight peppermint odour that darkens over time. The primary usage of diethyl sulfate is as an ethylating agent in chemical synthesis, dye production, and textile manufacturing. This material severely irritates the eyes, skin, and respiratory system when exposed to it. Based on evidence of its carcinogenicity in laboratory animals, it is a potential mutagen and is reasonably anticipated to be a human carcinogen. It may also be linked to the development of laryngeal cancer.
Diethyl Sulfate Product Detail
Hs Code
29209010
Chemical Formula
C4H10O4S
Cas Number
64-67-5
Molecular Weight
154.19 g/mol
Industrial Uses
Ethylating agent, Accelerator in the sulfation of ethylene and in some sulfonations, Reactant for the synthesis of biologically active compounds
Supplier Database
The Dharamsi Morarji Chemical Company Ltd, Union Carbide Corporation, Coyne Chemical, The Dow Chemical Company, Jarchem Industries Inc
Regional Coverage
Asia Pacific
China, India, Indonesia, Pakistan, Bangladesh, Japan, Philippines, Vietnam, Iran, Thailand, South Korea, Iraq, Saudi Arabia, Malaysia, Nepal, Taiwan, Sri Lanka, UAE, Israel, Hongkong, Singapore, Oman, Kuwait, Qatar, Australia, and New Zealand
Europe
Germany, France, United Kingdom, Italy,Spain, Russia, Turkey, Netherlands, Poland, Sweden, Belgium, Austria, Ireland Switzerland, Norway, Denmark, Romania, Finland, Czech Republic, Portugal and Greece
North America
United States and Canada
Latin America
Brazil, Mexico, Argentina, Columbia, Chile, Ecuador, and Peru
Africa
South Africa, Nigeria, Egypt, Algeria, Morocco
CurrencyUS$ (Data can also be provided in local currency)
Supplier Database AvailabilityYes
Customization ScopeThe report can be customized as per the requirements of the customer
Post-Sale Analyst Support360-degree analyst support after report delivery
Note: Our supplier search experts can assist your procurement teams in compiling and validating a list of suppliers indicating they have products, services, and capabilities that meet your company's needs.
Diethyl Sulfate Production Processes
- Production of Diethyl Sulfate from Ethylene
In this process, ethylene is absorbed into concentrated sulfuric acid or the acid is fumed into diethyl ether or ethanol.
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