Since 1949 till today, Manufacturas Químicas Juan Messina SA, is a company that has gradually grown to the extent of becoming into a group of the leading companies in the market of industrial chemical products, both in Argentina as well as abroad.The production of sulfur anhydride was the basis of its starting point.

Nowadays, the company has the state-of-the-art plant in Latín America of this kind of products. This fact places it in a vanguard position, supplying up to 85% of the domestic market, with a growing and sustained penetration into Mercosur countries.

We are the first and largest South American plant producing the main supply products
for the INCO S02/Aire process: Sulfur Dioxide and Sodium Metabisulfite.


Sulfur Dioxide

• Chemical name: Sulfur Dioxide.
• Chemical formula: SO2



• Chemical name: Sulfur. Flammable rock, rhombic sulfur or alpha sulfur.
• Chemical formula: S


Moisturable Micronized and
 Ventilated Sulphur Powder

•  Chemical name: Moisturable Micronized 
•  Chemical name: Ventilated Sulphur Powder


Ammonium Bisulfite

• Chemical name: Ammonium acid sulfite.
• Chemical formula: (NH4) HSO3


Sodium Bisulfite

• Chemical name: Sodium Acid Sulfite.
• Chemical formula: NaHSO3


Potassium Metabisulfite

• Chemical name: Potassium Bisulfite powder. Potassium Pyrosulfate.
• Chemical Formula: K2S2O5


 Sodium Metabisulfite

• Chemical name: Sodium bisulfite powder, Dry Bisulfite, Sodium Pyrosulfite.
• Chemical formula: Na2S2O5


Ammonium Thiosulfate

• Chemical name: Ammonium Thiosulfate.
• Chemical formula: (NH4)2S2O3


Industrial Applications