Molekula
Sodium hydroxide 4.0N aq. solution
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 4.0N aqueous solution is a highly concentrated alkaline solution, primarily used for pH adjustment, cleaning, and as a reagent in chemical synthesis. This standardized solution contains 4.0 equivalents of NaOH per liter, equivalent to approximately 160 g/L NaOH (molecular weight 39.9968, CAS 1310-73-2). It requires careful handling due to its corrosive nature (Signal Word: Danger) and should be stored at ambient conditions. Molekula supplies Sodium hydroxide 4.0N aq. solution from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
Sodium hydroxide 4.0N aqueous solution is a highly concentrated alkaline solution, primarily used for pH adjustment, cleaning, and as a reagent in chemical synthesis. This standardized solution contains 4.0 equivalents of NaOH per liter, equivalent to approximately 160 g/L NaOH (molecular weight 39.9968, CAS 1310-73-2). It requires careful handling due to its corrosive nature (Signal Word: Danger) and should be stored at ambient conditions. Molekula supplies Sodium hydroxide 4.0N aq. solution from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Pricing & pack sizes
Pricing on request — packs available from research to bulk quantities.
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Specifications
| Property | Value |
|---|---|
| Appearance | Clear, colourless solution |
| Assay | 3.95-4.10M |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 8 |
| Packing Group | II |
| Acidity | Base |
Identification
| Property | Value |
|---|---|
| SKU | 90038402 |
| CAS Number | 1310-73-2 |
| Molecular Formula | NaOH |
| Molecular Weight | 39.9968 |
| SMILES | [OH-].[Na+] |
| EC / UN Number | 1824 |
| 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. 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+P330+P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting
- P304+P340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+P351+P338 IF IN EYES: Rinse continuously 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
No alternate names recorded for this product.
Frequently asked questions
What is a 4.0N sodium hydroxide aqueous solution commonly used for?
This solution is widely used in laboratories for pH adjustment, titration, cleaning glassware, and as a reagent in chemical synthesis and analytical procedures.
What is the chemical formula and molecular weight of sodium hydroxide?
The chemical formula is **NaOH**, and its molecular weight is **39.9968 g/mol**.
How should this 4.0N sodium hydroxide solution be stored?
Store at **ambient temperature** in a tightly sealed container, away from moisture, carbon dioxide, and incompatible materials like acids or aluminum.
What grade of sodium hydroxide solution does Molekula offer for this product?
Molekula supplies this as a **laboratory reagent grade** solution, suitable for most analytical and research applications.
Can Molekula supply this sodium hydroxide solution in bulk quantities?
Yes, Molekula can provide this solution in bulk, with quantities tailored to meet your specific research or industrial needs—contact us for pricing and availability.
What documentation comes with an order of this sodium hydroxide solution?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and batch-specific documentation for traceability and compliance.
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.