Caustic Soda Supplier Romania — Bulk Sodium Hydroxide (NaOH) 98-99% from Turkey & UAE
High-purity caustic soda for Romania's chemical, pulp & paper, textile, water-treatment, aluminum, refining and food industries. Delivered 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. SUHA International supplies flakes 98-99%, pearls 99% and liquid 32-50% with a batch Certificate of Analysis, REACH-compliant documentation, and delivery via Constanța Port to every major Romanian industrial hub — quoted in EUR or RON within 24 hours.
Caustic Soda Supplier Romania: A Strategic Hub for 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 dependable caustic soda supplier protects both production continuity and margin. From Bucharest and the Ploiești refining cluster to Constanța's petrochemical sites, Timișoara's manufacturing corridor and Cluj-Napoca's chemical processors, sodium hydroxide underpins production across multiple sectors.
Bulk demand for caustic soda in Romania is driven by 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 sodium hydroxide with the other chlor-alkali and detergent raw materials our buyers already source from us, including soda ash, LABSA, SLES and sodium bicarbonate.
📊 Market note (2026): European alkali demand 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 — buyers increasingly favor a supplier who manages the full FOB-to-DAP chain to reduce demurrage at port and delivery risk at the plant gate.
Overview based on European chlor-alkali market reporting (Cefic and related sources), 2025-2026.
Caustic Soda Chemical Identity & Specifications
Sodium hydroxide supplied into Romania is sourced and tested to international standards. Below is the full chemical identity — the parameters your procurement, regulatory and logistics teams need before qualifying a new supplier.
| Parameter | Data | Notes / regulatory ref. |
|---|---|---|
| IUPAC name | Sodium hydroxide | — |
| Trade names | Caustic soda · Lye · White caustic | 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 / colorless 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) · ≈1.53 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, PG II |
| 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) | E524 | Permitted food additive |
| Regulatory status | REACH-registered | Regulation (EC) 1907/2006 |
Three Grades of Caustic Soda — Which Fits Your Process?
Not all caustic soda is interchangeable. The right grade reduces handling cost, dosing error and off-spec risk — our technical desk helps Romanian buyers match the form to the application, from bulk chemical synthesis to precision food- and pharma-grade work.
Caustic Soda Flakes
The workhorse grade — cost-effective and easy to handle. 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 for precise, repeatable volumetric dosing.
Liquid Caustic Soda
Ready to use — no dissolving, no dust exposure. Membrane-cell grade with ultra-low mercury available for pharma and food.
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 — 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 prep |
| Soap & detergent (FMCG) | Flakes 98-99% | Cost-effective saponification at volume |
| 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 |
| Biodiesel production | Flakes or pearls | Transesterification catalyst |
Where Caustic Soda Is Used Across Romanian Industry
Sodium hydroxide is a top-five volume industrial chemical globally. Here's where it fits into Romania's industrial base, from the Ploiești-Constanța refining corridor to the textile centers of Timișoara and Arad.
Petroleum refining
Caustic washing removes H₂S, mercaptans and acidic impurities from LPG and naphtha at Petromidia and Petrobrazi.
Pulp & paper
White liquor (NaOH + Na₂S) cooks wood chips to dissolve lignin; also used in alkaline extraction bleaching and deinking.
Textiles & mercerizing
Scours natural fibers before dyeing and mercerizes cotton to increase strength and luster.
Water & wastewater
Preferred reagent for pH elevation and precipitation of heavy metals as hydroxides at Romanian utilities.
Soap & detergent
Saponifies vegetable oils and fats; neutralizes LABSA and other acid-form surfactants in liquid detergents.
Food processing (E524)
Approved for pretzel/baked-goods lye baths, olive curing, cocoa alkalization and CIP cleaning under EU rules.
Aluminum / Bayer process
Digests bauxite ore with hot NaOH to dissolve alumina, precipitated and calcined into Al₂O₃.
Chemical synthesis
Feedstock for sodium hypochlorite, sodium sulfide, chelating agents and organic/inorganic intermediates.
Pharma & API synthesis
Membrane-cell pearls for pH control and ester/amide hydrolysis where ultra-low mercury is mandatory.
Personal care & cosmetics
Adjusts pH in shampoos and hair-relaxer creams; neutralizes fatty acids in cold-process soap.
Biodiesel
Catalyst in transesterification of rapeseed, sunflower and used cooking oil into biodiesel (FAME).
Industrial & CIP cleaning
Core ingredient in degreasers, drain cleaners and CIP solutions for dairy, brewing and food plants.
🎯 Application not listed? Share the process chemistry and our technical desk will confirm the right grade, concentration, dosing rate and packaging before you commit to an order.
What Sets Caustic Soda Price in Romania
Caustic soda is a market-linked commodity priced in USD or EUR per metric ton — there's no single fixed number. Every quote is built from measurable variables, so knowing them lets you compare offers from any supplier on a like-for-like basis instead of by headline figure alone.
Get an exact number: share your grade (flakes/pearls/liquid), monthly tonnage, Incoterm and delivery city, and our team returns a firm caustic soda price in EUR or RON within 24 hours — see the quote checklist below.
Caustic Soda Technical Data Sheets (TDS)
Representative analytical data for each grade. Every shipment to Romania ships with a batch-specific Certificate of Analysis confirming these values, compatible with REACH and EU import documentation.
Caustic soda flakes — TDS (98-99% NaOH)
| Parameter | Test result | Unit | Limit |
|---|---|---|---|
| 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 | 318 | °C / 604 °F |
| 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 |
| 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)
| Parameter | Unit | Acceptance limit | Typical COA result | Method |
|---|---|---|---|---|
| NaOH purity | % mass | Min 48 | 50 | Titrimetric |
| Sodium carbonate (Na₂CO₃) | % mass | Max 0.5 | 0.2 | Titrimetric |
| Sodium chloride (NaCl) | % mass | Max 0.03 | 0.01 | Argentometric |
| Sodium sulfate (Na₂SO₄) | % mass | Max 0.007 | 0.001 | Gravimetric |
| Silicon dioxide (SiO₂) | % mass | Max 0.01 | 0.001 | Gravimetric |
| Iron (Fe) | ppm | Max 10 | 3 | ICP-OES |
| Aluminium oxide (Al₂O₃) | ppm | Max 10 | <1 | ICP-OES |
| Mercury (Hg) | ppm | Max 0.1 | 0.01 | Cold-vapor AAS |
| Arsenic oxide (As₂O₃) | ppm | Max 1 | <0.02 | Hydride-generation AAS |
Packaging, Storage & Supply Routes to Romania
Durable, industrial-grade packaging and reliable inland delivery to your plant gate — 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, 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 (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 shipments 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. For cross-border re-export, Giurgiu handles Bulgaria-bound freight, Nădlac and Borș serve Hungary, and Moravița serves Serbia.
Export documentation with every shipment
A Caustic Soda Supplier Romania Buyers Can Build a Contract Around
Choosing the right partner is about production consistency and margin protection, not just a price list. Here's what sets the offer apart for Romanian importers and distributors.
These reflect standards our sourcing network operates to; specific certificates are issued per shipment and available on request.
Safe Handling & Storage of Sodium Hydroxide
Caustic soda is corrosive and strongly alkaline (pH 13-14 in solution). A complete SDS ships with every order. For independent references, see the sodium hydroxide safety profile on PubChem, the ECHA substance page, and our own guide to storing caustic soda safely.
PPE
Chemical-resistant gloves, splash-proof goggles, full face shield, chemical apron and alkali-resistant boots. Eyewash station and safety shower within 10 seconds' travel.
Storage
Cool (≤30 °C), dry, well-ventilated, away from acids, aluminum, zinc, organic materials and flammables. Sealed storage is essential — NaOH is hygroscopic.
First aid
Skin or eye contact: flush immediately with plenty of water for at least 15-20 minutes and seek medical attention.
Transport
ADR for European road transport, IMDG for sea freight. Full Class 8 dangerous-goods documentation with every shipment.
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.
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 logistics plan.
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We respond to 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 supplies bulk caustic soda (sodium hydroxide/NaOH) to Romania from plants in Mersin, Turkey and Jebel Ali, UAE. Shipments arrive via Constanța Port and move inland to Bucharest, Ploiești, Timișoara, Cluj-Napoca and Iași. Every batch ships with a Certificate of Analysis, is REACH-registered, and is quoted in EUR or RON within 24 hours — see what sets the price.
What caustic soda grades and forms are available for Romanian buyers?
Three grades: flakes at 98-99% for chemical manufacturing, pulp and paper, textiles and soap; pearls at 99% for low-dust, fast-dissolving work in food (E524), pharma and precision chemistry; and liquid caustic soda at 32-50% in IBC totes, ISO tanks or bulk tankers.
How is caustic soda priced for the Romanian market, and can you quote in EUR or RON?
Price depends on grade, order volume, packaging, Incoterm (FOB Jebel Ali, FOB Mersin, CIF Constanța, DAP), the global chlor-alkali market and inland freight. Share your grade, monthly tonnage and delivery city for a firm EUR or RON quote 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 in 25 kg 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 buyers.
How is caustic soda delivered to Romania — which ports and inland routes are used?
Sea freight arrives at Constanța Port. ADR-compliant road transport reaches Bucharest, Ploiești, Timișoara, Cluj-Napoca and Iași via the A1 and A2 motorways. Danube river ports (Galați, Brăila, Tulcea) serve eastern Romania, and rail freight is available for large, regular shipments.
Is your caustic soda REACH-registered and compliant with EU regulations?
Yes. Sodium hydroxide is REACH-registered under Regulation (EC) 1907/2006 and supplied with a batch Certificate of Analysis, a GHS/CLP-compliant SDS in English (Romanian on request), and a Certificate of Origin for EU customs. Food-grade (E524) certification is available on request.
Which industries in Romania consume the most caustic soda?
Chemical manufacturing, pulp and paper, textile scouring and mercerizing, petroleum refining (Petromidia, Petrobrazi), aluminum and metallurgy, water and wastewater treatment, soap and detergent production, food processing, biodiesel, pharmaceuticals and personal care.
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 it an efficient distribution hub for the Balkans and Central Europe, with 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?
FOB Jebel Ali, FOB Mersin, CFR/CIF Constanța, DAP or DDP to your plant. Standard terms are T/T (30% advance, 70% against B/L copy), irrevocable L/C at sight, or D/P for established buyers.
How should caustic soda be stored and handled safely in Romanian facilities?
Wear chemical-resistant gloves, splash goggles and alkali-resistant clothing; keep eyewash stations and safety showers accessible; store cool, dry and ventilated, away from acids, aluminum, zinc and organic materials. Always add caustic soda slowly to water, never the reverse.
Is liquid caustic soda or flakes cheaper to import into Romania?
It depends on your infrastructure. Liquid (32-50%) is roughly half to two-thirds water by weight, so you pay freight on that water — for the same delivered NaOH tonnage, flakes or pearls are usually the lower landed cost unless you already have ISO-tank or IBC receiving capacity.
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