10112-91-1 39448-57-2 Calogreen Calomel Calotab Chlorure mercureux [French] Dimercury dichloride EINECS 233-307-5 MERCURY CHLORIDE Mercurous chloride Mercurous chloride (Hg2Cl2) Mercury chloride (Hg2Cl2) Mercury subchloride Mercury(I) chloride