Molekula
Sodium hydroxide 2% (w/w%) aqueous solution
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Sodium hydroxide 2% (w/w) aqueous solution is a mild alkaline solution primarily used for pH adjustment, cleaning, and mild saponification in laboratories and industrial applications. It is a low-concentration form of caustic soda, offering controlled reactivity for sensitive processes. This product has a CAS number of 1310-73-2, with the molecular formula NaOH and a molecular weight of 39.997 g/mol. It is stored at ambient conditions and carries a **Danger** signal word due to its corrosive properties. Molekula supplies Sodium hydroxide 2% (w/w) 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
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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 |
| Assay | 1.5-2.5% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 8 |
| Packing Group | III |
| Acidity | Base |
Identification
| Property | Value |
|---|---|
| SKU | 90038076 |
| CAS Number | 1310-73-2 |
| IUPAC Name | sodium hydroxide |
| EC Number | 215-185-5 |
| Molecular Formula | NaOH |
| Molecular Weight | 39.997 |
| 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 | 2815.12.0000 |
| Tariff Code | 2815120000 |
Safety & GHS
-
Corrosive
GHS05
Hazard statements
- H290 May be corrosive to metals
- H314 (sub cat. 1B) Causes severe skin burns and eye damage
Precautionary statements
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P284 Wear respiratory protection
- P302+352 IF ON SKIN: Wash with soap and water
- 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
- P406 Store in a corrosive resistant container with a resistant inner liner
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
- Collo-Grillrein
- Natriumhydroxid
- Plung
- Rohrputz
- Soda lye
- Soda, caustic
- Sodium hydrate
- White caustic
Frequently asked questions
What is a 2% (w/w) sodium hydroxide aqueous solution commonly used for?
This solution is typically used for pH adjustment in laboratories, cleaning and degreasing applications, and as a reagent in various chemical reactions.
What is the chemical formula and molecular weight of sodium hydroxide?
The chemical formula is **NaOH**, and the molecular weight is **39.997 g/mol**.
How should this 2% sodium hydroxide solution be stored?
Store at **ambient temperature** in a tightly sealed container, away from incompatible substances like acids and carbon dioxide.
What grade of sodium hydroxide solution does Molekula supply?
Molekula supplies this as a **laboratory-grade reagent** solution, suitable for analytical and general-purpose applications.
Can Molekula supply this sodium hydroxide solution in bulk quantities?
Yes, bulk quantities are available upon request—please contact our sales team for pricing and logistics details.
What documentation comes with an order of this sodium hydroxide solution?
Each order includes a **Certificate of Analysis (CoA)**, Safety Data Sheet (SDS), and a product specification sheet.
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.