Potassium trioxalatochromate III trihydrate, also known as potassium chromate trioxalate, is a chemical compound with the formula K2CrO5(C2O4)3ยท3H2O. It is a bright yellow crystalline solid that is highly soluble in water.
This compound is commonly used as a laboratory reagent and as a standard reference material for the calibration of spectrophotometers. It is also used in the production of dyes and pigments, as well as in the synthesis of other chemicals.
The chemical structure of potassium trioxalatochromate III trihydrate consists of a central chromium atom surrounded by oxygen atoms in a distorted octahedral geometry. The compound also contains three oxalate anions (C2O4) and three water molecules (H2O). The presence of the water molecules is indicated by the "trihydrate" suffix in the compound's name.
Potassium trioxalatochromate III trihydrate is prepared by reacting potassium dichromate with oxalic acid in the presence of water. The resulting product is then purified and crystallized to form the trihydrate compound.
As with many chemicals, potassium trioxalatochromate III trihydrate can be hazardous if handled improperly. It is toxic if ingested and can cause irritation to the skin and eyes. It is important to follow proper safety protocols when working with this compound, including wearing protective clothing and goggles and working in a well-ventilated area.
In conclusion, potassium trioxalatochromate III trihydrate is a useful chemical compound that is widely used in a variety of applications, including as a laboratory reagent and in the production of dyes and pigments. However, it is important to handle it carefully and follow proper safety protocols to avoid any potential hazards.