Ammonium dichromate supplier Distributor Manufacturer in Kolkata West Bengal india

East India Chemicals is your company for quality chemicals from world-class suppliers Manufacturer of Ammonium dichromate   to meet your formulation needs in kolkata India.

East India chemicals is  one of the leading manufacturer, supplier and exporte of Marine chemical, Construction Chemicals,Miscellaneous Industrial SuppliesOil & Gas,PaintPaper Manufacturing, Pharmaceuticals Plastic Manufacturing,Printing Inks,Soaps & DetergentsTextiles,Water Treatment & Pool allied products and services in kolkata India.

Ammonium dichromate is the inorganic compound with the formula (NH4)2Cr2O7. In this compound, as in all chromates and dichromates, chromium is in a +6 oxidation state, commonly known as hexavalent chromium. It is a salt consisting of ammonium ions and dichromate ions.

Ammonium dichromate is sometimes known as Vesuvian Fire, because of its use in demonstrations of tabletop"volcanoes".However, this demonstration has become unpopular in schools due to the compound's carcinogenic nature. It has also been used in pyrotechnics and in the early days of photography.

Uses

It has been used in pyrotechnics and in the early days of photography as well as in lithography, as a source of pure nitrogen in the laboratory, and as a catalyst. It is also used as a mordant for dyeing pigments, in the manufacturing of alizarin, chrome alum, leather tanning and oil purification.

Photosensitive films containing PVA, ammonium dichromate, and a phosphor are spin-coated as aqueous slurries in the production of the phosphor raster of television screens and other devices. The ammonium dichromate acts as the photoactive site.