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| Product Name: | Ammonium bicarbonate | Other Name: | Carbonic acid,ammonium salt (1:1);Carbonic acid,monoammonium salt;Ammonium bicarbonate;Ammonium hydrogen carbonate;Ammonium bicarbonate ((NH4)HCO3);Monoammonium carbonate;Acid ammonium carbonate;AmBic;114459-02-8;758-14-5;861794-52-7 |
| CAS No.: | 1066-33-7 | Molecular Formula: | CH2O3.H3N |
| InChIKeys: | InChIKey=ATRRKUHOCOJYRX-UHFFFAOYSA-N | Molecular Weight: | 79.05530 |
| Exact Mass: | 79.02690 | EC Number: | 233-786-0 |
| UNII: | 45JP4345C9 | ICSC Number: | 1333 |
| UN Number: | 3077 | DSSTox ID: | DTXSID5035618 |
| Color/Form: | Colorless or white crystals|Shiny, hard, colorless or white prisms or crystalline mass | HScode: | 2836994000 |
| Categories: | Emulsifier |
| PSA: | 60.77000 | XLogP3: | 0.5463 |
| Appearance: | White crystalline powder | Density: | 3″>1.586 g/cm3 |
| Melting Point: | 107 °C (decomp) | Boiling Point: | 169.8ºC |
| Refractive Index: | INDEX OF REFRACTION: 1.423, 1.536, 1.555 | Water Solubility: | H2O: 220 g/L (20 ºC) |
| Storage Conditions: | Storage Room low temperature ventilation drying | Vapor Pressure: | 2.58E-05mmHg at 25°C |
| Vapor Density: | 2.7 (vs air) | Odor: | Faint odor of ammonia |
| PH: | About 8,0 (5 % solution) | Dissociation Constants: | Dissociation constant (Kd): 1.45 |
| Experimental Properties: | Comparatively stable at room temperature. Volatile with decomposition at about 60 °C. The white fumes given off consist of NH3 21.5%, CO2 55.7%, H2O vapor 22.8%. Rate of decomposition increases as temperature rises. Negative heat of solution.|May attack copper, nickel and zinc.|Heat of solution: 26.4 kJ at 288.2 K | Air and Water Reactions: | Soluble in water. |
| Reactive Group: | Salts, Basic | Reactivity Alerts: | Decomposes at Elevated Temperatures ( |
| Reactivity Profile: | AMMONIUM BICARBONATE decomposes when heated above 36°C, releasing ammonia and carbon dioxide gases; it can also be decomposed into ammonia and carbon dioxide by strong acids and strong bases [Handling Chemicals Safely 1980 p. 141]. |
Classification of the substance or mixture
Acute toxicity – Category 4, Oral
GHS label elements, including precautionary statements
| Pictogram(s) | ![]() |
|---|---|
| Signal word |
Warning |
| Hazard statement(s) |
H302 Harmful if swallowed |
| Precautionary statement(s) | |
| Prevention |
P264 Wash … thoroughly after handling. P270 Do not eat, drink or smoke when using this product. |
| Response |
P301+P317 IF SWALLOWED: Get medical help. P330 Rinse mouth. |
| Storage |
none |
| Disposal |
P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal. |
Other hazards which do not result in classification
no data available
Precautions for safe handling
Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.
Conditions for safe storage, including any incompatibilities
Separated from strong oxidants, strong bases and acids. Cool.Store below 33 deg C

