Market Overview
Caustic Soda Market: What Drives the Price
Caustic soda is a co-product of chlorine. That single fact explains most of its price behaviour. Here is the framework we use to read the market.
Continue Reading
Sodium Hydroxide (Caustic Soda)
¥639 /t
• 0.0% w/w China Market Reference Price · as of August 28, 2026
Overview
Sodium Hydroxide (Caustic Soda) for pH adjustment in water treatment.
Product Description
Sodium Hydroxide, also known as Caustic Soda, is a strong base used primarily for adjusting the pH of water. It finds key applications in the water treatment industry, where it serves to neutralize acidic conditions and control the pH levels. Additionally, it acts as an effective corrosion and scale inhibitor, making it indispensable in maintaining the efficiency and longevity of water systems. Its notable properties include high reactivity with acids and its ability to dissolve proteins and fats.
China Market Reference Price
as of ¥639.00 /t
Day
0.00 (0.0%)
Week
0.00 (0.0%)
Month
-4.00 (-0.6%)
Price trend
Shengyishe (生意社)
12-month range data points: 30
¥639 ¥667
Current price is at the very bottom of the 12-month range · Annual swing: 4.4%
Specification: 32%ion-exchange membrane Source: Shengyishe (生意社) ↗
Market reference price for orientation only — not a commercial offer. Final pricing depends on quantity, grade, packaging and destination.
Analyst comment
Sodium Hydroxide (Caustic Soda) is trading at ¥639.00 per tonne as of August 28, 2026 (0.0% week-on-week).
Over the past 12 months the price has moved within a band of ¥639–¥667, an annual swing of 4.4%.
Market reference price for orientation only — not an offer. Contact us for firm pricing, availability and delivery terms.
Market News
Caustic soda spot tracks chlor-alkali operating rates in China
Chlor-alkali operating rates in China are the main swing factor for caustic soda spot supply.
Caustic soda demand driven by alumina and pulp sectors
The alumina and pulp and paper sectors are the main consumers of caustic soda.
Chinese caustic soda export flows remain a global swing factor
China is a major caustic soda exporter; export volumes help clear domestic surplus production.