Potassium Dichromate By Colour Chromes Pvt. Ltd.

We are making and supplying of Potassium Dichromates from Vapi, Gujarat, India. Potassium dichromate is available in small orange colored, free-flowing crystals. It is non-hygroscopic, and unlike sodium dichromate dissolves sparingly in water to give a saturated solution of 14% only at 250C.

APPLICATION

Its special uses are in the manufacture of safety matches and pyrotechnics. Other uses are in printing inks, synthetic perfumery, glues and adhesives, process engraving and lithography, photography and film processing and as an analytical reagent in Laboratories.

The Indian Standard Specification for Technical Grade-IS 250: 1961 is as follows:

As K2Cr2O7 [ 99.00% Min ]
Sulphates as SO4 [ 0.30% Max. ]
Chlorides as CI [ 0.50% Max. ]
Calcium as CaSO4 [ 0.10% Max. ]
Free moisture [ 0.50% Max ]
Matter insoluble in water [ 0.30% Max ]