Molekula
Sodium hydrogen carbonate (Sodium bicarbonate)
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, commonly known as sodium bicarbonate, is a versatile white crystalline powder used as a leavening agent in food, a buffer in pharmaceuticals, and in industrial applications like pH regulation and fire extinguishing. It is non-toxic, water-soluble, and reacts mildly with acids to release carbon dioxide. Sodium bicarbonate has a CAS number of 144-55-8, with the molecular formula NaHCO3 and a molecular weight of 84.00661 g/mol. It is stable at ambient storage conditions and poses no hazard classification. Molekula supplies sodium bicarbonate 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.
Often bought together
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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500 g — $32.30 per pack
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1 kg — $38.00 per pack
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5 kg — $147.10 per pack
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 | White crystalline powder |
| Identification | Conforms to reference |
| Loss on Drying | ≤0.25% |
| Specification | Conforms to USP |
| Assay | ≥99.0% |
| Lead (Pb) | ≤2mg/kg |
| Arsenic (As) | ≤20mg/kg |
| Ammonium (NH4+) | ≤20mg/kg |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Base |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | White, monoclinic prisms |
| Odour | Odorless |
| Melting Point | 108.9 °C (decomposes) |
| Density | 2.20 g/cm³ |
| Solubility (other solvents) | Soluble in water. Insoluble in ethanol |
| pKa | pKa = 6.3 |
Source: PubChem CID 516892 (HSDB, Haz-Map, EU Food Improvement Agents, DrugBank)
Identification
| Property | Value |
|---|---|
| SKU | 17812623 |
| 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 |
| HTS Code | 2836.30.0000 |
| 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
- NaHCO3
- Neut
- Sodium acid carbonate
- SODIUM BICARBONATE
- Sodium hydrogen carbonate
Frequently asked questions
What is sodium hydrogen carbonate (sodium bicarbonate) commonly used for?
Sodium bicarbonate is widely used in food processing (leavening agent), pharmaceuticals, pH buffering, fire extinguishers, and household cleaning products.
What is the chemical formula and molecular weight of sodium bicarbonate?
The chemical formula is **NaHCO₃**, and the molecular weight is **84.00661 g/mol**.
How should sodium bicarbonate be stored?
Store in a cool, dry place at ambient temperature, away from moisture and strong acids.
What grades of sodium bicarbonate does Molekula supply?
Molekula supplies **food-grade (USP/EP/FCC), reagent-grade, and technical-grade** sodium bicarbonate.
Can Molekula supply sodium bicarbonate in bulk quantities?
Yes, we offer bulk packaging options (e.g., 25 kg bags, 1-tonne containers) for industrial and commercial customers.
What documentation is provided with a sodium bicarbonate order?
Each order includes a **Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and batch-specific documentation** 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.