Molekula
Sodium Hydroxide - aqueous solution 30%
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Sodium hydroxide (caustic soda) is a highly versatile strong base used in industrial processes like pH adjustment, pulp and paper production, textile manufacturing, and water treatment. This 30% aqueous solution delivers concentrated alkalinity for efficient reactions while maintaining ease of handling. Catalogue details: CAS 1310-73-2, molecular formula HNaO, molecular weight 40.00 g/mol, stored at ambient conditions. Hazard classification includes the signal word Danger due to severe corrosivity. Molekula supplies Sodium Hydroxide 30% aqueous solution from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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1 L — £30.90 per pack ex VAT · £37.08 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Clear colourless liquid |
| Specific Gravity | 1.320 - 1.342 (@ 15.5°C) |
| Assay | 29.0 - 31.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 8 |
| Packing Group | II |
| Acidity | Base |
Identification
| Property | Value |
|---|---|
| SKU | 90023200 |
| CAS Number | 1310-73-2 |
| IUPAC Name | sodium hydroxide |
| EC Number | 215-185-5 |
| Molecular Formula | HNaO |
| Molecular Weight | 40.00 |
| Exact Mass | 39.9925 |
| SMILES | [OH-].[Na+] |
| InChIKey | HEMHJVSKTPXQMS-UHFFFAOYSA-M |
| InChI | InChI=1S/Na.H2O/h;1H2/q+1;/p-1 |
| PubChem CID | 14798 |
| UN Number | UN1824 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2815120000 |
| Tariff Code | 2815120000 |
Safety & GHS
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Corrosive
GHS05
Hazard statements
- EUH071 Corrosive to the respiratory tract
- H290 May be corrosive to metals
- H302 Harmful if swallowed
- H314 (sub cat. 1A) Causes severe skin burns and eye damage
- H318 Causes serious eye damage
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P284 Wear respiratory protection
- P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- Aetznatron
- Caustic soda
- Natriumhydroxid
- Plung
- Rohrputz
- Soda lye
- Soda, caustic
- Sodium hydrate
- SODIUM HYDROXIDE
- White caustic
Frequently asked questions
What is a 30% aqueous solution of sodium hydroxide commonly used for?
This solution is widely used in industrial cleaning, pH adjustment, pulp and paper processing, textile manufacturing, and water treatment applications.
What is the chemical formula and molecular weight of sodium hydroxide?
The molecular formula is HNaO in Hill notation, which is the same compound commonly written as NaOH. The molecular weight is 40.00 g/mol for the anhydrous form.
How should a 30% sodium hydroxide solution be stored?
Store in a tightly sealed container at ambient temperature, away from incompatible substances like acids, metals, and organic materials.
What grades of sodium hydroxide solution does Molekula supply?
Molekula supplies technical/industrial grade sodium hydroxide solutions; contact us for specifications on purity and quality.
Can Molekula supply this product in bulk quantities?
Yes, we offer bulk quantities of sodium hydroxide solution (30%) in drums, IBCs, or tanker loads—please inquire for pricing and logistics.
What documentation comes with a sodium hydroxide solution order?
Each order includes a Material Safety Data Sheet (MSDS/SDS), certificate of analysis (CoA), and a commercial invoice.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.