Molekula
Sodium hydroxide - 20% aqueous
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 20% aqueous is a corrosive alkaline solution used in industrial cleaning, pH adjustment, and chemical synthesis. It is a clear, colorless liquid with a strong alkaline nature. CAS: 1310-73-2, Molecular formula: NaOH, Molecular weight: 40.0 g/mol. Store at ambient temperature. Signal word: Danger. Molekula supplies Sodium hydroxide 20% aqueous 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
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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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 |
| Identification | Test for sodium: Positive. |
| Assay | 19.0 - 21.0% (w/w) |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 8 |
| Packing Group | II |
| Acidity | Base |
Identification
| Property | Value |
|---|---|
| SKU | 90026621 |
| CAS Number | 1310-73-2 |
| IUPAC Name | sodium hydroxide |
| EC Number | 215-185-5 |
| Molecular Formula | NaOH |
| Molecular Weight | 40.0 |
| 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 | 28151100 |
| Tariff Code | 2815110000 |
Safety & GHS
-
Corrosive
GHS05
Hazard statements
- H290 May be corrosive to metals
- H314 (sub cat. 1A) Causes severe skin burns and eye damage
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
- 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, 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
- Collo-Grillrein
- Natriumhydroxid
- Plung
- Rohrputz
- Soda lye
- Soda, caustic
- Sodium hydrate
- White caustic
Frequently asked questions
What is sodium hydroxide - 20% aqueous used for?
It is commonly used in industrial processes such as soap manufacturing, pulp and paper production, and water treatment.
What is the chemical formula and molecular weight of sodium hydroxide?
The formula is NaOH with a molecular weight of 40.0 g/mol.
How should sodium hydroxide - 20% aqueous be stored?
Store at ambient temperature, away from moisture and incompatible materials.
What grade of sodium hydroxide - 20% aqueous is available?
Available in technical grade for industrial applications.
Can Molekula supply sodium hydroxide - 20% aqueous in bulk?
Yes, Molekula offers bulk supply options for this product; please contact sales for details.
What documentation comes with a purchase of sodium hydroxide - 20% aqueous?
Each order includes a Certificate of Analysis and Safety Data Sheet (SDS) upon request.
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.