AMMONIA SOLUTION (NH4OH), FOR INDUSTRIAL USE, 25 % ,27 % NH3
Ammonia solution or ammonium hydroxide is the solution of ammonia in water with very high vapour pressure of ammonia, which is the reason why ammonia solution has the distinctive pungent ammonia odour. It is a colourless, alkaline liquid.
It is commonly sold as 25 % NH3 solution with 20.5 % of nitrogen, and as 27 % NH3 solution with 22.2 % of nitrogen.
MPC in the atmosphere is 35 mg/m3
Ammonium hydroxide is mostly used in chemical industry as raw material for the production of ammonium salts.
In the fertilizers industry it is used both as raw material and fertilizer.
It is also used in the textile industry, food industry, the pulp and paper industry, and pharmaceutical industry.