Chemical Formula: Na2CrO4 · 3H2O
Characteristics:
* Bright orange-yellow solid
* Odorless
* Hygroscopic (absorbs moisture from the air)
* Soluble in water, insoluble in alcohol
* Has a bitter, metallic taste
Uses:
* As a mordant in dyeing textiles
* In the production of chromates and other chromium compounds
* As a corrosion inhibitor
* As a flux in soldering and brazing
* In the manufacture of matches and fireworks
* In photography and lithography
* As a laboratory reagent
Health and Safety:
* Sodium chromate trihydrate is toxic if ingested or inhaled.
* It is a strong irritant to the skin, eyes, and respiratory tract.
* Prolonged exposure can lead to kidney damage, liver damage, and cancer.
* Proper ventilation and protective clothing should be used when handling this substance.
Disposal:
* Sodium chromate trihydrate should be disposed of as hazardous waste in accordance with local regulations.