Corrosive substances

chemical compound

Thiosulfate (IUPAC-recommended spelling; sometimes thiosulphate in British English) is an oxyanion of sulfur with the chemical formula . Thiosulfate also refers to the compounds containing this anion, which are the salts of thiosulfuric acid, such as sodium thiosulfate () and ammonium thiosulfate (). Thiosulfate salts occur naturally. Thiosulfate rapidly dechlorinates water, and is used to halt bleaching in the paper-making industry. Thiosulfate salts are mainly used for dyeing in textiles, and bleaching of natural substances.

Octamethylenediamine (OMDA) is an organic chemical compound from the substance group of aliphatic diamines. It is used as a versatile reaction intermediate in the manufacture of pesticides, especially fungicides.