Caustic Soda Supplier Romania — Bulk Sodium Hydroxide (NaOH) 98-99% from Turkey & UAE
High-purity caustic soda (sodium hydroxide, NaOH) for Romania's chemical, pulp & paper, textile, water-treatment, aluminum, refining and food industries. As a dedicated caustic soda supplier Romania importers and distributors rely on, we deliver via Constanța Port to Bucharest, Ploiești, Timișoara, Cluj-Napoca and Iași — with a Certificate of Analysis per batch, REACH-compliant documentation and a firm EUR or RON quote within 24 hours.
In short — Caustic soda (sodium hydroxide, NaOH, CAS 1310-73-2, EC 215-185-5) is a strongly alkaline industrial chemical used across Romania for chemical manufacturing, pulp and paper, textiles, water treatment, aluminum and metallurgy, petroleum refining, soap and detergent production, biodiesel, pharmaceuticals and food processing. As a reliable caustic soda supplier Romania importers and distributors trust, SUHA International Trading L.L.C. provides flakes 98-99%, pearls 99% and liquid lye 32-50% with a batch Certificate of Analysis, REACH-compliant documentation, and inland delivery via Constanța Port to Bucharest and every major industrial hub — quoted in EUR or RON within 24 hours.
Caustic Soda Supplier Romania: A Strategic Hub in Eastern Europe
For Romania's industrial base and its role as a distribution gateway to the Balkans and Central Europe, a consistent supply from a reliable caustic soda supplier Romania can depend on is essential for operational continuity and margin protection. From Bucharest and the Ploiești refining cluster to Constanța's petrochemical and metallurgical sites, Timișoara's manufacturing corridor and Cluj-Napoca's chemical processors, sodium hydroxide underpins critical production across multiple sectors.
Bulk demand for caustic soda in Romania is driven by its role in petroleum refining at Petromidia and Petrobrazi, pulp and paper mills, textile scouring and mercerizing, municipal and industrial wastewater treatment, aluminum surface treatment, and soap and detergent formulation. Romanian importers and distributors also re-export sizeable volumes into Bulgaria, Hungary, Serbia and Moldova. We pair caustic soda naturally with the other chlor-alkali and detergent raw materials our buyers source from us, including soda ash, LABSA, SLES and sodium bicarbonate.
📊 Market Insight (2026): European alkali consumption continues to track growth in water-treatment investment, chemical manufacturing and pulp & paper output. Most bulk NaOH entering Romania arrives through Constanța Port on the Black Sea and moves inland via the A1 and A2 motorways, so importers increasingly favour suppliers who manage the full FOB-to-DAP chain to reduce demurrage at the port and delivery risk at the plant gate.
Industry overview based on European chlor-alkali market reporting (Cefic and related sources), 2025–2026.
Caustic Soda Chemical Identity & Specifications
Our caustic soda supplied in Romania is sourced and tested to international and EU standards. Below is the full chemical identity of sodium hydroxide (NaOH) — the parameters your procurement, regulatory and logistics teams need before qualifying a new caustic soda supplier Romania can rely on long-term.
| Parameter | Data | Notes / Regulatory Ref. |
|---|---|---|
| IUPAC Name | Sodium Hydroxide | — |
| Trade Names | Caustic Soda · Lye · White Caustic · Sodium Hydrate | All refer to NaOH |
| Chemical Formula | NaOH | Molecular weight: 39.997 g/mol |
| CAS Number | 1310-73-2 | EC / EINECS: 215-185-5 |
| Available Grades | Flakes 98-99% · Pearls 99% · Liquid 32-50% | COA per production lot |
| Appearance | White opaque solid / colourless to pale yellow liquid | Free of visible contamination |
| Melting Point | 318 °C (604 °F) | Solid NaOH |
| Boiling Point | 1,388 °C (2,530 °F) | Solid NaOH |
| Density | 2.13 g/cm³ (solid) · 1.50 g/cm³ (50% solution) | At 20 °C |
| Solubility in Water | Highly soluble (111 g / 100 mL at 20 °C) | Exothermic dissolution |
| pH (1% solution) | ~13 – 14 | Strongly alkaline |
| HS Code | 2815.11 (solid) · 2815.12 (liquid) | Export classification |
| UN Number | UN 1823 (solid) · UN 1824 (solution) | Dangerous goods |
| Hazard Class | Class 8 — Corrosive | IMDG / ADR |
| GHS Pictograms | GHS05 (Corrosion) · GHS07 (Health hazard) | EU CLP Regulation (EC) 1272/2008 |
| Shelf Life | ~24 months (solid) · ~12 months (liquid) | Sealed, dry storage |
| E-Number (Food) | E 524 | Permitted food additive |
| Regulatory Status | REACH-registered | Regulation (EC) 1907/2006 |
Three Grades of Caustic Soda — Which Fits Your Romanian Process?
Not all caustic soda is interchangeable. The right grade reduces handling cost, dosing errors and off-spec risk. As an experienced caustic soda supplier Romania manufacturers and distributors consult for guidance, we help buyers match the form to the application — from bulk chemical synthesis to precision food- and pharmaceutical-grade work.
Caustic Soda Flakes
The workhorse grade — cost-effective and easy to handle. Standard export grade for Romanian chemical manufacturing, pulp and paper, textile mercerizing, bulk soap and detergent saponification, aluminum surface treatment and industrial pH adjustment. Irregular white chips (0.3–1 cm³), low chlorides (NaCl ≤ 0.009%), low iron (Fe ≤ 10 ppm).
Caustic Soda Pearls
Uniform micropearls — virtually dust-free with superior flowability. Preferred for pharmaceutical intermediates, food-grade processes (E524) under EU rules, cosmetics and personal-care formulation, CIP systems in food and beverage plants, and any application requiring precise, repeatable volumetric dosing.
Liquid Caustic Soda (Lye)
Ready-to-use, no dissolving, no dust exposure. Ideal for continuous processes — municipal and industrial wastewater treatment, petroleum refining at Petromidia and Petrobrazi (caustic washing, mercaptan removal), pulp and paper alkaline extraction. Membrane-cell grade with ultra-low mercury available for pharma and food. Supplied in HDPE drums, IBC totes, ISO tank containers or bulk tankers.
Grade Selection Guide for Romanian Buyers
| Application Sector | Recommended Grade | Rationale |
|---|---|---|
| Chemical Manufacturing & Synthesis | Flakes 98-99% | Cost-effective bulk feedstock for reactions and intermediates |
| Pulp & Paper (Kraft process) | Flakes or Liquid | Delignification and bleaching stages — liquid for continuous dosing |
| Aluminum / Bayer Process | Flakes 98-99% | Bulk digestion of bauxite ore into alumina |
| Textile Scouring & Mercerizing | Flakes 98-99% | Consistent alkalinity for cotton mercerizing and dye preparation |
| Soap & Detergent (FMCG) | Flakes 98-99% | Cost-effective saponification for high-volume bar and liquid soap |
| Petroleum Refining | Liquid 50% | Caustic washing, H₂S and mercaptan removal |
| Water & Wastewater Treatment | Liquid 32-50% | Automated dosing for pH neutralization and metal precipitation |
| Food & Beverage / Pharma | Pearls 99% (E524) | Low dust, fast dissolution, food-grade purity |
| Personal Care & Cosmetics | Pearls 99% | Precision dosing, ultra-clean grade |
| Biodiesel Production | Flakes or Pearls | Transesterification catalyst |
Key Applications of Caustic Soda in Romania — Sector by Sector
The extensive use of sodium hydroxide in Romania reflects the country's diverse industrial base — from the Ploiești–Constanța refining corridor to the pulp mills of Moldova and the textile centres of Timișoara and Arad. NaOH is a top-five volume industrial chemical globally, underpinning fifteen distinct sectors served by our Romanian importers and distributors.
Petroleum Refining & Petrochemicals
Caustic washing removes H₂S, mercaptans and acidic impurities from LPG, naphtha and natural gas. Also used in ethylene oxide / ethylene glycol production and neutralization of acidic refinery streams at Petromidia (Năvodari) and Petrobrazi (Ploiești).
Pulp & Paper (Kraft & Deinking)
In the kraft process, white liquor (NaOH + Na₂S) cooks wood chips to dissolve lignin. NaOH is also used in alkaline extraction bleaching (E stage) and in deinking of recycled fibre for OCC and DIP mills across Romania.
Textiles, Mercerizing & Rayon
Cleans and scours natural fibres before dyeing, mercerizes cotton to increase strength and luster, and produces viscose rayon from cellulose. Standard step in mills across Timiș, Arad and Sibiu counties.
Water & Wastewater Treatment
NaOH is the preferred reagent for pH elevation, water softening, and precipitation of heavy metals as hydroxides in drinking-water plants, municipal and industrial effluent treatment at Romanian utilities, protecting the Danube and Black Sea.
Soap & Detergent Production
Essential for saponification of vegetable oils and animal fats to produce bar soaps. In liquid detergents, NaOH neutralizes LABSA and other acid-form surfactants — a core input for Romanian FMCG formulators.
Food Processing (E524)
Food-grade sodium hydroxide (E524) is approved for pretzel and baked-goods lye baths, olive curing, cocoa alkalization (Dutching), noodle production, fruit and vegetable peeling, and Clean-in-Place (CIP) cleaning of food-processing equipment under EU rules.
Aluminum & Bayer Process
The Bayer process digests bauxite ore with hot NaOH solution to dissolve alumina, which is precipitated as Al(OH)₃ and calcined to alumina (Al₂O₃). Also used in aluminum surface etching, anodizing preparation and non-ferrous metallurgy.
Chemical Manufacturing & Synthesis
Foundational feedstock for producing sodium hypochlorite, sodium phenolate, sodium sulfide, chelating agents and hundreds of organic and inorganic intermediates — a base reagent in Romanian specialty chemical production.
Pharmaceuticals & API Synthesis
Membrane-cell caustic soda pearls are used in Romanian pharmaceutical manufacturing for pH control, ester and amide hydrolysis, and as a base catalyst in API synthesis where ultra-low mercury and heavy-metal content is mandatory.
Personal Care & Cosmetics
Adjusts pH in shampoos, hair-relaxer creams and skincare formulations, and neutralizes fatty acids in cold-process cosmetic soaps. Pearls 99% grade is standard for Romanian and Moldovan cosmetic manufacturers.
Biodiesel & Renewable Fuels
Caustic soda flakes and pearls act as the catalyst in transesterification of vegetable oils (rapeseed, sunflower, used cooking oil) into biodiesel (FAME) — a growing sector aligned with Romania's renewable-energy targets.
Battery & Electrochemistry
Used in production of alkaline battery electrolytes (KOH substitute), nickel-cadmium and nickel-metal-hydride cells, and in fuel-cell manufacture — supporting Romania's automotive supply chain into the EV sector.
Industrial & CIP Cleaning
Core ingredient in heavy-duty degreasers, drain cleaners, oven cleaners and CIP (Clean-in-Place) solutions for dairy, brewing and food-processing plants — dissolves fats, proteins and organic residues on equipment surfaces.
Glass & Ceramics
Assists in float-glass cutting fluid pH control, glass etching, and ceramic body formulation. Also used to clean and prepare mineral surfaces before coating in specialty glass and refractory manufacture.
Leather Tanning & Rubber Recycling
Neutralizes acidity in leather tanning liquor and removes hair from hides in the beamhouse stage. Also devulcanizes end-of-life rubber and reclaims value from used tyres — a niche but growing Romanian sector.
🎯 Application match on request: If your process is not listed above, share the chemistry — our technical desk will confirm the right grade, concentration, dosing rate and packaging so you avoid off-spec risk before you commit to an order.
What Affects Caustic Soda Price in Romania?
Caustic soda is a market-linked commodity priced in USD or EUR per metric tonne — so there is no single fixed price in Romania. Every quote is built from measurable variables. Knowing them in advance helps importers and distributors compare offers from any caustic soda supplier on a like-for-like basis, in EUR or RON, instead of by headline number alone.
Get an exact number: Share your grade (flakes/pearls/liquid), monthly tonnage, Incoterm and delivery city, and our team will return a firm caustic soda price in EUR or RON within 24 hours — see the quote request checklist below.
Caustic Soda Technical Data Sheets (TDS)
Representative analytical data for each grade is shown below. Every shipment to Romania is accompanied by a batch-specific Certificate of Analysis (COA) confirming these values — compatible with REACH and EU import documentation.
Caustic Soda Flakes — TDS (98-99% NaOH)
| Parameter | Test Result | Unit | Limit / Notes |
|---|---|---|---|
| NaOH Purity | 98.0 ± 1 | % w/w | Min 97.0 |
| Sodium Carbonate (Na₂CO₃) | 0.43 | % w/w | Max 1.0 |
| Sodium Chloride (NaCl) | 0.0085 | % w/w | Max 0.02 |
| Sodium Sulfate (Na₂SO₄) | 0.0047 | % w/w | Max 0.01 |
| Silicon Dioxide (SiO₂) | 0.0019 | % w/w | Max 0.005 |
| Iron (Fe) | 10 | ppm | Max 15 |
| Aluminium Oxide (Al₂O₃) | Max 3 | ppm | Max 5 |
| Heavy Metals as Pb | Max 2 | ppm | Max 5 |
| Insoluble in Water | 0 | % w/w | Nil |
| Shape / Size | Irregular chips | 0.3 – 1 cm³ | White, free-flowing |
Caustic Soda Pearls — TDS (99% NaOH)
| Physical Property | Value | Unit |
|---|---|---|
| Melting Point | 320 – 325 | °C |
| Boiling Point | 1,385 – 1,390 | °C |
| Density at 20 °C | 2.13 | g/cm³ |
| Dissolution Rate (100 g in 100 mL H₂O, 25 °C) | 22 | seconds |
| Heat Capacity at 25 °C | 2.01 | J/g·K |
| Standard Heat of Formation at 25 °C | 10.67 | kJ/g |
| Chemical Parameter | Specification | Unit |
|---|---|---|
| NaOH Purity | 99.0 min | % w/w |
| Sodium Carbonate (Na₂CO₃) | 0.8 max | % w/w |
| Sodium Chloride (NaCl) | 0.05 max | % w/w |
| Iron Oxide (Fe₂O₃) | 50 max | ppm |
Liquid Caustic Soda — TDS (50% NaOH)
| No. | Parameter | Unit | Acceptance Limit | COA Result | Method |
|---|---|---|---|---|---|
| 1 | NaOH Purity | % mass | Min 48 | 50 | ISIRI-6135 |
| 2 | Sodium Carbonate (Na₂CO₃) | % mass | Max 0.5 | 0.2 | ISIRI-6135 |
| 3 | Sodium Chloride (NaCl) | % mass | Max 0.03 | 0.01 | ISIRI-6135 |
| 4 | Sodium Sulfate (Na₂SO₄) | % mass | Max 0.007 | 0.001 | ISIRI-6135 |
| 5 | Silicon Dioxide (SiO₂) | % mass | Max 0.01 | 0.001 | ISIRI-6135 |
| 6 | Iron (Fe) | ppm | Max 10 | 3 | ISIRI-6135 |
| 7 | Aluminium Oxide (Al₂O₃) | ppm | Max 10 | <1 | ISIRI-6135 |
| 8 | Mercury (Hg) | ppm | Max 0.1 | 0.01 | ISIRI-6135 |
| 9 | Arsenic Oxide (As₂O₃) | ppm | Max 1 | <0.02 | ISIRI-6135 |
Packaging, Storage & Supply Routes to Romania
We provide durable, industrial-grade packaging and reliable inland delivery to your plant gate. All shipments are professionally packed to prevent leakage, moisture ingress and transit damage — critical for a hygroscopic product like NaOH.
| Grade | Packaging Format | Net Weight | Container Load (approx.) |
|---|---|---|---|
| Flakes / Pearls | PP woven bag with PE inner liner | 25 kg | ~800 bags / 20′ FCL |
| Flakes / Pearls | Jumbo bag (FIBC), palletized | 500 – 1,000 kg | 20 – 25 jumbo bags / 20′ FCL |
| Liquid NaOH | HDPE drum | 200 – 220 L | ~80 drums / 20′ FCL |
| Liquid NaOH | IBC (Intermediate Bulk Container) | 1,000 L | ~20 IBCs / 20′ FCL |
| Liquid NaOH | Road tanker (rubber/HDPE lined) | 20 – 30 MT | Full truck / direct delivery |
| Liquid NaOH | ISO tank container | 20 – 23 MT | 1 ISO tank = 1 × 20′ FCL |
Main Supply Routes into Romania
Constanța Port on the Black Sea is Romania's largest maritime gateway and the primary arrival point for our bulk chemicals from Mersin (Turkey) and Jebel Ali (UAE). From Constanța, ADR-compliant road transport reaches Bucharest, Ploiești, Timișoara, Cluj-Napoca, Iași and Brașov via the A1 and A2 motorways. Danube river ports (Galați, Brăila, Tulcea) serve heavy industry in eastern Romania, and rail freight is available for large, regular shipments where customers have direct rail access. For cross-border re-export, Giurgiu handles Bulgaria-bound freight, while Nădlac and Borș serve Hungary, and Moravița serves Serbia.
Export Documentation With Every Shipment
Your Trusted Partner & Caustic Soda Supplier Romania Relies On
Choosing the right partner is critical for production consistency and margin protection. We are more than a chemical vendor — we are a dedicated caustic soda supplier Romania importers, distributors and end-users trust for guaranteed quality, absorbed logistics complexity and reliable supply continuity. Here is what sets our offer apart.
Safe Handling & Storage of Sodium Hydroxide
Caustic soda is corrosive and strongly alkaline (pH 13–14 in solution). Proper handling protects workers, equipment and product integrity. A responsible caustic soda supplier Romania can count on documents every batch so your team handles it safely from the moment it clears customs at Constanța. We supply a complete SDS with every order. For independent references, see the sodium hydroxide safety profile on PubChem and the ECHA substance information page.
PPE
Chemical-resistant gloves (nitrile or neoprene), splash-proof goggles, full face shield, chemical apron and acid/alkali-resistant boots. Emergency eyewash station and safety shower within 10 seconds' travel — mandatory.
Storage
Store in cool (≤30 °C), dry, well-ventilated areas away from acids, aluminum, zinc, organic materials and flammables. Sealed, moisture-proof storage is essential — NaOH is hygroscopic and absorbs CO₂ from air.
First Aid
In case of skin or eye contact, flush immediately with plenty of water for at least 15 minutes and seek medical attention. Keep neutralising agents such as diluted vinegar accessible for spills.
Transport
Comply with ADR regulations for European road transport and IMDG for sea freight. Full Class 8 dangerous-goods documentation is provided for every shipment into Romania and the EU.
Critical: Dissolving caustic soda in water is strongly exothermic. Always add caustic soda slowly to water (never water to caustic soda), with cooling and agitation, to control heat release and avoid dangerous splattering.
Ready to Order Caustic Soda in Bulk for Romania?
Share your required grade, monthly tonnage, delivery city, Incoterm and packaging preference. Our team responds within 24 hours with a formal EUR or RON price, lead time and a tailored logistics plan — from a caustic soda supplier Romania can count on for uninterrupted operations and cross-border re-export.
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We respond to all caustic soda inquiries within 24 business hours — usually faster. For urgent supply or large-volume tenders in Romania, WhatsApp is the fastest channel.
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FAQ — Caustic Soda Supplier Romania
Who is a reliable caustic soda supplier in Romania for bulk importers and distributors?
SUHA International Trading L.L.C. supplies bulk caustic soda (sodium hydroxide / NaOH) to Romania from ISO-certified plants in Mersin, Turkey and Jebel Ali, UAE. Shipments arrive via Constanța Port and are delivered inland to Bucharest, Ploiești, Timișoara, Cluj-Napoca and Iași. Every batch ships with a Certificate of Analysis, is REACH-registered and quoted in EUR or RON within 24 hours — see the factors that affect caustic soda price for what shapes the number.
What caustic soda grades and forms are available for Romanian buyers?
We supply three grades: caustic soda flakes 98-99% for chemical manufacturing, pulp and paper, textiles and soap production; caustic soda pearls 99% for low-dust, fast-dissolving applications in food (E524), pharma and precision chemistry; and liquid caustic soda 32-50% NaOH in IBC totes, ISO tank containers and bulk tankers for continuous dosing.
How is caustic soda priced for the Romanian market and can you quote in EUR or RON?
Caustic soda price in Romania depends on grade, order volume, packaging, Incoterms (FOB Jebel Ali, FOB Mersin, CIF Constanța, DAP), the global chlor-alkali market, energy costs and inland freight. Share your grade, monthly tonnage and delivery city and we issue a firm quote in EUR or RON within 24 hours.
What is the minimum order quantity (MOQ) for bulk caustic soda in Romania?
Standard bulk MOQ is 24 MT — one full 20-foot container load in 25 kg PP/PE bags or 1 MT jumbo bags. For liquid NaOH, MOQ is one ISO tank container or road tanker (20-30 MT). Trial pallet quantities can be arranged for new Romanian buyers; regular importers and distributors receive tiered contract pricing.
How is caustic soda delivered to Romania — which ports and inland routes are used?
Sea freight arrives at Constanța Port on the Black Sea, Romania's main gateway for bulk chemicals. ADR-compliant road transport then reaches Bucharest, Ploiești, Timișoara, Cluj-Napoca and Iași via the A1 and A2 motorways. Danube river ports (Galați, Brăila) serve heavy industry in eastern Romania, and rail freight is available for large, regular shipments.
Is your caustic soda REACH-registered and compliant with EU regulations?
Yes. Our sodium hydroxide is REACH-registered under Regulation (EC) 1907/2006 and supplied with a batch-specific Certificate of Analysis, a GHS/CLP-compliant Safety Data Sheet in English (Romanian version on request), and a Certificate of Origin for customs clearance in Romania and the wider EU. Food-grade (E524) certification is available on request.
Which industries in Romania consume the most caustic soda?
The largest Romanian consumers are chemical manufacturing, pulp and paper mills, textile scouring and mercerizing, petroleum refining (Petromidia and Petrobrazi), aluminum and metallurgy (Bayer process), water and wastewater treatment, soap and detergent production, food processing (E524), biodiesel production, pharmaceuticals, personal care and cosmetics, and cleaning-in-place systems.
Can you supply caustic soda for re-export from Romania to Bulgaria, Hungary, Serbia and Moldova?
Yes. Constanța Port and Romania's motorway network make the country an efficient distribution hub for the Balkans and Central Europe. We regularly support re-exporters and distributors with EUR-denominated contracts, EU-compliant documentation and onward road freight via Giurgiu (Bulgaria), Nădlac and Borș (Hungary), and Moravița (Serbia).
What Incoterms and payment terms do you accept for bulk orders to Romania?
We work on FOB Jebel Ali, FOB Mersin, CFR Constanța, CIF Constanța, DAP door-delivery and DDP to your Romanian plant. Standard payment terms are T/T (30% advance, 70% against copy of Bill of Lading), irrevocable L/C at sight, or D/P for established buyers. Long-term contracts qualify for preferential terms.
How should caustic soda be stored and handled safely in Romanian facilities?
Sodium hydroxide is highly corrosive and strongly alkaline (pH 13-14 in solution). Wear chemical-resistant gloves, splash goggles and alkali-resistant clothing; keep eyewash stations and safety showers accessible; store in cool, dry, well-ventilated areas away from acids, aluminum, zinc and organic materials. Always add caustic soda slowly to water — never the reverse — to control the exothermic reaction. Shelf life is 24 months for solid grades and 12 months for liquid.
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