炭酸水素アンモニウム

additional informations

Ammonium bicarbonate is an inorganic compound with formula (NH₄)HCO₃, simplified to NH₅CO₃. The compound has many names, reflecting its long history. Chemically speaking, it is the bicarbonate salt of the ammonium ion. It is a colourless solid that degrades readily to carbon dioxide, water and ammonia.

Uses

Ammonium bicarbonate is used in the food industry as a raising agent for flat baked goods, such as cookies and crackers, and in China in steamed buns and Chinese almond cookies. It was commonly used in the home before modern day baking powder was made available.

Safety

Ammonium Bicarbonate is an irritant to the skin, eyes and respiratory system. Short-term health effects may occur immediately or shortly after exposure to Ammonium Bicarbonate. Breathing Ammonium Bicarbonate can irritate the nose, throat and lungs causing coughing, wheezing and/or shortness of breath. Repeated exposure may cause bronchitis to develop with cough, and/or shortness of breath. Health effects can occur some time after exposure to Ammonium Bicarbonate and can last for months or years.

No exposure limits have been established for Ammonium Bicarbonate. This however, does not mean that this substance is not harmful. Safe work practices are recommended and should be followed at all times.

Where possible, operations should be enclosed and the use of local exhaust ventilation at the site of chemical release is recommended. If local exhaust ventilation or enclosure is not used, respirators are necessary. Wear protective work clothing. Change clothes and wash thoroughly immediately after exposure to Ammonium Bicarbonate.

identification

• IUPAC name : Ammonium hydrogen carbonate
• Other names : Bicarbonate of ammonia, ammonium hydrogen carbonate, hartshorn, AmBic, powdered baking ammonia, Baking soda
• CAS Number : 1066-33-7

properties

• Chemical formula : (NH₄)HCO₃
• Molar mass : 79.056 g/mol
• Density : 1.586 g/cm3
• Melting point : 41.9 °C (107.4 °F; 315.0 K) decomposes
• Solubility in water : 11.9 g/100 ml (0 °C)
  21.6 g/100 mL (20 °C)
  36.6 g/100 mL (40 °C)
• Solubility : insoluble in methanol

Hazards

• Main hazards: Decomposes to release ammonia
• GHS pictograms :
• GHS hazard statements : H302: Harmful if swallowed
• GHS precautionary statements : none

All values given in the International System of Units (SI), unless otherwise noted.

safety data sheets

All the information above is, to the best of our knowledge, considered to be exact and does not constitute a product specification or warranty. Materials should always be thoroughly tested prior to selecting them for definitive use.