Molekula
Potassium 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
Potassium bicarbonate (KHCO3) is a white, crystalline alkaline salt primarily used as a food additive (E501), pH regulator, and fire suppressant in industrial applications. It also functions as a mild antacid and is employed in baking powder formulations. CAS: 298-14-6 | Molecular formula: KHCO3 | Molecular weight: 100.12 g/mol | Storage: Ambient conditions in a dry, well-ventilated area. Non-hazardous (no signal word). Molekula supplies potassium 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.
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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25 g — £29.00 per pack ex VAT · £34.80 inc. VAT
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 powder |
| Assay | 99% min |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Solubility (other solvents) | Freely soluble in water. Insoluble in ethanol |
| pKa | pKa = 6.37 |
Source: PubChem CID 516893 (EU Food Improvement Agents, DrugBank)
Identification
| Property | Value |
|---|---|
| SKU | 90034189 |
| CAS Number | 298-14-6 |
| IUPAC Name | potassium hydrogen carbonate |
| EC Number | 206-059-0 |
| Molecular Formula | KHCO3 |
| Molecular Weight | 100.12 |
| Exact Mass | 99.9563 |
| SMILES | C(=O)(O)[O-].[K+] |
| InChIKey | TYJJADVDDVDEDZ-UHFFFAOYSA-M |
| InChI | InChI=1S/CH2O3.K/c2-1(3)4;/h(H2,2,3,4);/q;+1/p-1 |
| PubChem CID | 516893 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 2836.40.2000 |
| Tariff Code | 2836400000 |
Safety & GHS
Precautionary statements
- P280 Wear protective gloves/protective clothing/eye protection/face protection
Documents
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
- Armicarb
- CARBONIC ACID, MONOPOTASSIUM SALT
- Kafylox
- Kaligreen
- KHCO3
- Milstop
- Monopotassium carbonate
- Potassium acid carbonate
- Potassium hydrogen carbonate
- Purple k
Frequently asked questions
What is potassium bicarbonate commonly used for?
Potassium bicarbonate is primarily used as a buffering agent in food, pharmaceuticals, and fire extinguishers, as well as in agricultural applications to neutralize soil acidity.
What is the chemical formula and molecular weight of potassium bicarbonate?
The chemical formula is **KHCO₃**, and the molecular weight is **100.12 g/mol**.
How should potassium bicarbonate be stored?
Store in a cool, dry place at ambient temperature, away from moisture and incompatible substances.
What grades of potassium bicarbonate does Molekula supply?
Molekula supplies **food-grade (USP/FCC) and technical-grade** potassium bicarbonate, depending on application requirements.
Can Molekula supply potassium bicarbonate in bulk quantities?
Yes, we offer bulk packaging options (e.g., 25 kg drums, 1 MT bags) for industrial and commercial customers.
What documentation is provided with a potassium bicarbonate order?
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.