Molekula
Potassium hydrogen carbonate USP
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 hydrogen carbonate USP, also known as potassium bicarbonate, is a white crystalline solid used primarily as a buffering agent, antacid, and in food processing, pharmaceuticals, and fire extinguishers for its ability to neutralize acids. It meets the United States Pharmacopeia (USP) standards for purity and quality, ensuring reliability in applications requiring precise chemical composition. With a CAS number of 298-14-6, molecular formula KHCO3, and molecular weight of 100.12, it is stable at ambient storage conditions but requires careful handling, as indicated by its warning signal word. Molekula supplies Potassium hydrogen carbonate USP 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 |
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 | 90036369 |
| 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 | 28364020 |
| Tariff Code | 2836400000 |
Safety & GHS
-
Health Hazard
GHS07
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
Precautionary statements
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
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
No alternate names recorded for this product.
Frequently asked questions
What is potassium hydrogen carbonate (USP grade) commonly used for?
Potassium hydrogen carbonate (USP grade) is primarily used as a buffering agent, antacid, and effervescent in pharmaceuticals, food and beverage applications (e.g., baking powder), and as a pH regulator in cosmetics.
What is the chemical formula and molecular weight of potassium hydrogen carbonate?
The chemical formula is **KHCO₃**, and the molecular weight is **100.12 g/mol**.
How should potassium hydrogen carbonate (USP) be stored?
Store in a cool, dry place at ambient temperature, tightly sealed to prevent moisture absorption.
What grade of potassium hydrogen carbonate does Molekula supply, and is USP available?
Molekula supplies **USP-grade potassium hydrogen carbonate**, meeting pharmaceutical and food-grade standards.
Can Molekula supply potassium hydrogen carbonate in bulk quantities?
Yes, bulk quantities are available upon request—contact our sales team for minimum order quantities and packaging options.
What documentation comes with an order of potassium hydrogen carbonate (USP) from Molekula?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and USP compliance documentation.
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.