Molekula
Sodium hydrogen carbonate 4% w/w aqueous solution
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 hydrogen carbonate (baking soda) is a mild alkaline compound widely used in pH buffering, food processing, and laboratory applications for its neutralising and effervescent properties. This 4% w/w aqueous solution provides a stable, ready-to-use form for precise dosing in formulations, cleaning agents, and analytical buffers. CAS 144-55-8, molecular formula NaHCO₃, molecular weight 84.00661, stored at ambient conditions with no hazard classification. Molekula supplies Sodium hydrogen carbonate 4% 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
Specifications available on request — see Documents below or contact our sales team.
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 90035994 |
| CAS Number | 144-55-8 |
| IUPAC Name | sodium hydrogen carbonate |
| EC Number | 205-633-8 |
| Molecular Formula | NaHCO3 |
| Molecular Weight | 84.00661 |
| Exact Mass | 83.9823 |
| SMILES | C(=O)(O)[O-].[Na+] |
| InChIKey | UIIMBOGNXHQVGW-UHFFFAOYSA-M |
| InChI | InChI=1S/CH2O3.Na/c2-1(3)4;/h(H2,2,3,4);/q;+1/p-1 |
| PubChem CID | 516892 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| Tariff Code | 2836300000 |
Safety & GHS
Detailed safety information available in the SDS — see Documents below.
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
- Baking soda
- Bicarbonate of soda
- Carbonic acid monosodium salt
- Col-evac
- Meylon
- Monosodium carbonate
- NaHCO3
- Neut
- Sodium acid carbonate
- SODIUM BICARBONATE
Frequently asked questions
What is sodium hydrogen carbonate (4% w/w aqueous solution) commonly used for?
This solution is primarily used in buffering systems, pH adjustment in pharmaceutical formulations, and as a mild antacid in healthcare applications.
What is the chemical formula and molecular weight of sodium hydrogen carbonate?
The chemical formula is **NaHCO₃**, and the molecular weight is **84.00661 g/mol**.
How should this 4% w/w sodium hydrogen carbonate solution be stored?
Store at **ambient temperature** in a tightly sealed container to prevent evaporation or contamination.
What grade or purity level is available for this sodium hydrogen carbonate solution?
Molekula supplies this as a **pharmaceutical or industrial-grade aqueous solution**, depending on the intended application.
Can Molekula supply this sodium hydrogen carbonate solution in bulk quantities?
Yes, we offer bulk supply options for this solution, with quantities tailored to your specific requirements.
What documentation comes with an order of this sodium hydrogen carbonate solution?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and batch-specific documentation for traceability.
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.