Sodium hydroxide

EC 215-185-5

Also known as caustic soda, lye, sodium hydrate, NaOH, Natriumhydroxid, hydroxyde de sodium, and soda kaustik cair.

Sodium hydroxide projects

chemXplore tracks 26 projects involving sodium hydroxide, of which 6 are active.

28 produce it and 1 uses it as feedstock.

3 Announced / Concept 3 Under Construction

5 new construction and 1 expansion.

Expected to start operating
2026
none
2027
2 projects
2028
1 project
2029
none
2030
none
2031
none

3 of the active projects carry no start-up date yet.

What moved recently
  • 29 July 2026 Chlorum Solutions chlor-alkali plant in Palmeira, Brazil · Operational / Completed · Brazil
  • 7 July 2026 Nobian LiSA Lithium Refining Pilot, Netherlands · Announced / Concept
  • July 2026 Chandra Asri Cilegon CA-EDC Phase II Expansion · Announced / Concept · Indonesia
  • February 2026 Chlorum Solutions chlor-alkali plant Uberlândia Brazil · Operational / Completed · Brazil

Owners and developers: PT Chandra Asri Alkali (2), PT Chandra Asri Pacific Tbk (2), Abu Dhabi National Oil Company Group (1), Alpha Dhabi Holding (1), Back to Battery (1), Chlorum Solutions USA LLC (1)

Investors: China Chemical Saiding Ningbo Engineering Co., Ltd. (1), Hongniu Lanzhou Environmental Protection Technology (1)

Contractors, licensors, and offtakers are recorded on 5 of these 6 projects For subscribers

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Latest news on sodium hydroxide

29 September 2026
Chandra Asri CA‑EDC project 80% complete as main equipment installation begins

USD>800M CA‑EDC plant at 80% completion; main equipment being installed; start planned for 2027; capacities 827 kt caustic soda and 500 kt EDC with significant import substitution and export potential.

29 September 2026
thyssenkrupp nucera wins chlor‑alkali order from Hongniu Lanzhou

License, EPC, key equipment supply and commissioning support for a large e‑BiTAC v7 chlor‑alkali plant in Northwest China; low double‑digit million‑euro order.

29 July 2026
thyssenkrupp nucera delivers chlor-alkali plant to Chlorum Solutions in Palmeira, Brazil

Skid-mounted BM2.7 zero-gap membrane plant produces >15,000 tpy chlorine, runs on renewable electricity and follows a February commissioning of a similar unit.

23 July 2026
Chandra Asri CA‑EDC project 72% complete, operations aimed for 2027

Construction of a Chlor‑Alkali and EDC plant is 72% complete; operations targeted for 2027 and Phase II planned with a $1bn investment.

14 July 2026
Olin and Huntsman: SEC Declares S‑4 Effective for Planned Merger

SEC declared the Form S‑4 effective; special shareholder meetings set for Aug 25; closing expected H1 2027; transaction targets >$400M in synergies and broader vertical integration.

7 July 2026
Nobian launches LiSA pilot to scale circular low‑carbon lithium refining

Pilot will test salt-assisted crystallization to refine LiCl from geothermal brines and recycled batteries into battery-grade lithium with lower energy, CO₂, water and waste.

16 June 2026
Olin and Huntsman to merge as OlinHuntsman

All-stock merger creates an integrated North American chemicals platform with vertical chlorine/caustic integration, ~$12.5B pro forma revenue and $400M+ identified synergies.

4 June 2026
Chlorum Solutions USA acquires Eddyville chlor-alkali facility

Acquisition secures a Midwest source of sodium hypochlorite, hydrochloric acid and caustic soda; staff retained and a $70M Arizona plant is under development.

7 May 2026
Chandra Asri Group advances CA‑EDC plant into jetty and storage tank construction

CA‑EDC now 66% complete and entering jetty and storage tank construction to support 827 kt/year caustic soda and 500 kt/year EDC; operations targeted Q1 2027.

7 May 2026
TA’ZIZ Secures $2B Financing for UAE’s First World-Scale Methanol Plant

Oversubscribed financing via 11-bank syndicate with conventional and Islamic facilities, priced to benchmarks. EPC awarded; construction under way for 2028, boosting domestic chemicals value chain.

Sodium hydroxide plants by country

chemXplore tracks 66 plants producing sodium hydroxide in 25 countries.

plants

The 4 with the most plants, of 25 countries.

Sodium hydroxide producers

plants

The 3 with the most plants, of 30 producers.

A subscription lists every plant we track for sodium hydroxide, with its owners and capacity. What a subscription does →