Molekula
Ammonium hydrogen carbonate
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
Ammonium hydrogen carbonate is a white crystalline solid used in baking powder, as a leavening agent, and in chemical synthesis. It decomposes readily into ammonia, carbon dioxide, and water upon heating. CAS: 1066-33-7, Molecular formula: NH4HCO3, Molecular weight: 79.06 g/mol, Storage: Ambient, Signal word: Warning. Molekula supplies Ammonium hydrogen carbonate 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.
-
1 kg — £30.90 per pack ex VAT · £37.08 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 | colourless or White to Off-white crystalline powder |
| Ash | ≤ 0.8% |
| Heavy metals | ≤ 0.0005% |
| pH | 7.0 - 8.5 |
| Chloride (Cl-) | ≤ 0.007% |
| Assay | 99 - 101% |
| Iron (Fe) | ≤ 0.002% |
| Identification (IR) | Conforms to structure |
| Arsenic (As) | ≤ 0.0002% |
| Sulphates (SO4)(2-) | ≤ 0.007% |
| Sulphur (S) | ≤ 0.0002% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Base |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Colorless or white crystals |
| Odour | Faint odor of ammonia |
| Melting Point | 107 °C (decomposes) |
| Density | 1.586 g/cm³ |
| Solubility (other solvents) | Freely soluble in water. Insoluble in ethanol |
| Vapour Pressure | 7.85 kPa (58.9 mmHg) at 25.4 °C |
| Refractive Index | 1.423 |
Source: PubChem CID 14013 (HSDB, EU Food Improvement Agents)
Identification
| Property | Value |
|---|---|
| SKU | 19327456 |
| CAS Number | 1066-33-7 |
| IUPAC Name | azanium hydrogen carbonate |
| EC Number | 213-911-5 |
| Molecular Formula | CH5NO3 |
| Molecular Weight | 79.06 |
| Exact Mass | 79.0269 |
| SMILES | C(=O)(O)[O-].[NH4+] |
| InChIKey | ATRRKUHOCOJYRX-UHFFFAOYSA-N |
| InChI | InChI=1S/CH2O3.H3N/c2-1(3)4;/h(H2,2,3,4);1H3 |
| PubChem CID | 14013 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2836.99.3000 |
| Tariff Code | 2836991780 |
Safety & GHS
-
Health Hazard
GHS07
Hazard statements
- H302 Harmful if swallowed
- H332 Harmful if inhaled
- H412 Harmful to aquatic life with long lasting effects
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P264 Wash thoroughly after handling
- P273 Avoid release to the environment
- 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
Documents
Safety Data Sheets (SDS)
Available in English, German, Spanish, French, Italian, Portuguese, Arabic, Dutch.
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
- Acid ammonium carbonate
- Ammonium acid carbonate
- AMMONIUM BICARBONATE
- Ammonium bicarbonate (1:1)
- Ammonium hydrogencarbonat
- azanium;hydrogen carbonate
- Carbonic acid, ammonium salt (1:1)
- Carbonic acid, monoammonium salt
- INS NO.503(II)
- Monoammonium carbonate
Frequently asked questions
What is ammonium hydrogen carbonate used for?
It is primarily used as a leavening agent in food products and as a source of ammonia in chemical synthesis.
What is the chemical formula and molecular weight of ammonium hydrogen carbonate?
The formula is NH4HCO3 and the molecular weight is 79.06 g/mol.
How should ammonium hydrogen carbonate be stored?
It should be stored at ambient temperature, away from moisture and heat, in a tightly sealed container.
What grade of ammonium hydrogen carbonate does Molekula supply?
Molekula supplies ammonium hydrogen carbonate in reagent grade.
Can Molekula supply ammonium hydrogen carbonate in bulk?
Yes, Molekula can supply ammonium hydrogen carbonate in bulk quantities upon request.
What documentation comes with an order of ammonium hydrogen carbonate?
Each order includes a Certificate of Analysis and Safety Data Sheet (SDS) with the shipment.
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.