Wintersun code: 01-014
CAS Number: 1066-33-7
Molecular Formula: NH4HCO3
Molecular Weight: 79.06

Physical And Chemical Properties

Physical State: White crystal with slight ammonia odor
Melting Point: 107-108°C (Decomposes 36-60 C)
Specific Gravity: 1.59
Solubility in Water: 17.4% at 20 C
PH: 7.8
NFPA Ratings: Health: 1; Flammability: 0; Reactivity:0
Stability: Stable under ordinary conditions, Ammonium bicarbonate food


Substitute for yeast in baking, production of ammonium salts, ingredient of fire extinguishing compounds, pharmaceuticals, dyes & pigments, degreasing textiles, inflater for rubber, food additive, in cooling baths, in compost heaps to accelerate decomposition, manufacture of ceramics, chrome leather tanning, manufacture of catalysts.

It is used in foods as an alkali, dough strengthener, leavening agent, pH control agent and texturizer Ammonium bicarbonate is an irritant to the skin, eyes and respiratory system. Ammonium bicarbonate from China used to make cookies was found to be contaminated with melamine, and imports banned in Malaysia in the 2008 Chinese milk scandal.; At room temperature, ammonium bicarbonate is a white, crystalline powder with a slight odour of ammonia that can dissolve in water to give a mildly alkaline solution.

It is however insoluble in acetone and alcohols. Ammonium bicarbonate decomposes at 36 to 60 °C into ammonia, carbon dioxide and water vapor in an endothermic process (as it is with many ammonium salts) and so causes a drop in the temperature of the water. When reacted with acids, carbon dioxide is produced, while reactions with alkalis give ammonia.

Sales Specification

NH4HCO3 (Purity): 99.20 % – 100.50 %
Chloride (as Cl): 0.003 % Max
Sulphate (compound of sulfur as SO4): 0.007 % Max
Non-Volatile Substances: 0.05 % Max
Arsenic (As): 0.0002 % Max
Lead (as Pb): 0.0002 % Max


In 55.12 lb bag 40 bags per pallet of Ammonium bicarbonate food

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