Potassium dichromate (K₂Cr₂O₇), feem ntau hu ua potassium bichromate lossis liab vitriol potassium, yog cov txiv kab ntxwv-liab triclinic lossis koob zoo li siv lead ua nrog lub melting point ntawm 398 degree thiab kub taw tes ntawm 500 degree (decomposition). Nws yog soluble hauv dej, tsim cov kua qaub, corrosive, tshuaj lom, thiab muaj zog oxidizing kua.
Sodium dichromate (Na₂Cr₂O₇·2H₂O), feem ntau hu ua sodium bichromate los yog liab vitriol sodium, yog liab monoclinic prismatic los yog koob zoo li siv lead ua nrog ib tug melting point ntawm 320 degree thiab ib tug boiling point ntawm 600 degree (decomposition). Nws poob nws cov dej siv lead ua ntawm 100 degree los ua daim ntawv anhydrous. Daim ntawv anhydrous muaj qhov melting point ntawm 356.7 degree thiab decomposes ntawm 400 degree kom tso pa oxygen. Nws yog hygroscopic heev thiab soluble nyob rau hauv dej, tsim ib tug corrosive, tshuaj lom, thiab acidic tov nrog muaj zog oxidizing zog.
