Mercury(I) Chloride

Hg₂Cl₂

IUPAC: Dimercury(I) dichloride

CAS: 10112-91-1

Tổng quan

Calomel (Hg₂Cl₂) was historically used as a medicine, laxative, and teething powder despite its toxicity. It is now mainly used in electrochemistry as a reference electrode.

Thành phần

Nguyên tố Ký hiệu Nguyên tử Khối lượng nguyên tử
Chlorine Cl 2 35,4500
Mercury Hg 2 200,5900

Thành phần nguyên tố

Công dụng

  • Calomel reference electrode
  • Historical medicine (no longer used)

Sự thật thú vị

  • The calomel electrode was the standard reference electrode in electrochemistry for most of the 20th century

An toàn

  • ⚠ Toxic mercury compound
  • ⚠ Cumulative mercury poisoning

Structure

SMILES

Cl[Hg].Cl[Hg]

Tính chất

Loại
salt
Trạng thái
solid
Khối lượng mol
472,09 g/mol
Mật độ
7,1500 g/cm³
Điểm nóng chảy
383,0 °C
Độ hòa tan
0.002 g/L at 25°C

Molecular Descriptors

Exact Mass
471,8767
TPSA
0,0 Ų
H-Bond Donors
0
H-Bond Acceptors
0
Rotatable Bonds
0
Heavy Atoms
4
Complexity
4,0

Frequently Asked Questions

What is Mercury(I) Chloride?
Mercury(I) Chloride (Hg₂Cl₂) is a salt compound with the IUPAC name Dimercury(I) dichloride.
What is the molecular weight of Mercury(I) Chloride?
Mercury(I) Chloride has a molar mass of 472.09 g/mol.
What state is Mercury(I) Chloride at room temperature?
Mercury(I) Chloride is a solid at room temperature.
Is Mercury(I) Chloride organic or inorganic?
Mercury(I) Chloride is classified as an inorganic compound.
What elements make up Mercury(I) Chloride?
Mercury(I) Chloride (Hg₂Cl₂) is composed of Chlorine (Cl), Mercury (Hg).