Properties

General
Name	Silver chloride
Chemical formula	AgCl
Appearance	White solid
Physical
Formula weight	143.3 amu
Melting point	728 K (455 °C)
Boiling point	1823 K (1550 °C)
Density	5.56 ×103 kg/m3
Crystal structure	cubic
Solubility	52 x 10-6g/100g water at 50°C
Thermochemistry
ΔfH0gas	? kJ/mol
ΔfH0liquid	? kJ/mol
ΔfH0solid	-127.01 kJ/mol
S0gas, 1 bar	? J/mol·K
S0liquid, 1 bar	? J/mol·K
S0solid	96.25 J/mol·K

Silver chloride (also called silver(I) chloride) is a chemical compound with chemical formula AgCl and is composed of one silver and one chlorine atom. Silver chloride is a white crystalline solid, one of the few metal chlorides insoluble in water. It is soluble, however, in solutions containing the halide ions, thiosulfate ions, or aqueous ammonia, reacting to form complexes according to the following reactions:

AgCl(s) + Cl^{-(aq) → AgCl_2-(aq)}

AgCl(s) + 2S_{2O3^{2-(aq) → Ag*3-(aq) + Cl-(aq)}}

AgCl(s) + 2NH_{3(aq) →Ag^{*+(aq) + Cl-}}

Silver chloride is used to make photographic film since it turns darker when exposed to light.

To detect the presence of chloride in water, silver nitrate is added and silver chloride crystals will form if chloride is present.

Ag⁺(aq) + Cl^-(aq) → AgCl(s)

Applications

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• Silver Chloride Reference Electrode
• Silver chloride is one of the silver halides used in photographic film and photographic paper manufacturing.
• Silver chloride's low solubility makes it a useful addition to pottery glazes for the production of "Inglaze lustre".
• Silver chloride has the ability to eliminate or flush out mercury from the body.
• Silver chloride is often used in Photochromic Lenses

External links

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• Silver Chloride Data Sheet
• Safety (MSDS) data for silver chloride

Chlorides | Silver compounds | Metal halides | Coordination compounds

Silberchlorid | Chlorure d'argent | Cloruro d'argento | Zilverchloride | Silverklorid | 氯化银