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Silver iodide

Basic information Description References Safety Related Supplier

Silver iodide Basic information

Product Name:
Silver iodide
CAS:
7783-96-2
MF:
AgI
MW:
234.77
EINECS:
232-038-0
Mol File:
7783-96-2.mol
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Silver iodide Chemical Properties

Melting point:
557°C
Boiling point:
1506°C
Density 
5.68 g/mL at 25 °C(lit.)
RTECS 
VW4450000
form 
Solid
color 
Yellow
Specific Gravity
6.01
Water Solubility 
0.03 mg/L
Sensitive 
Light Sensitive
Merck 
14,8516
Solubility Product Constant (Ksp)
pKsp: 16.07
Stability:
Stability Light-sensitive. Incompatible with strong oxidizing agents.
CAS DataBase Reference
7783-96-2(CAS DataBase Reference)
NIST Chemistry Reference
Silver iodide(7783-96-2)
EPA Substance Registry System
Silver iodide (AgI) (7783-96-2)
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Safety Information

Risk Statements 
36/37/38-53
Safety Statements 
22-24/25
RIDADR 
UN 3077 9 / PGIII
WGK Germany 
3
8
TSCA 
Yes
HazardClass 
9
HS Code 
28432900
Hazardous Substances Data
7783-96-2(Hazardous Substances Data)

MSDS

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Silver iodide Usage And Synthesis

Description

Silver iodide (AgI) precipitates as a yellow, odor- and tasteless solid. Silver iodide acts as a very effective nucleus for the formation of ice crystals. Silver iodide has an important advantage over mercury as a subject for study of electrochemical properties of interfaces. It is also used as a solid lubricant for power contacts. It is also used as a local antiseptic.

References

[1] B. Vonnegut, The Nucleation of Ice Formation by Silver Iodide, Journal of Applied Physics, 1947, vol. 18, 593
[2] J. Lyklema and J. Th. G. Overbeek, Electrochemistry of silver iodide the capacity of the double layer at the silver iodide-water interface, Journal of Colloid Science, 1961, col. 16, 595-608
[3] Sylva Arnell and Gunnar Andersson, Silver Iodide as a Solid Lubricant for Power Contacts,  Proceedings of the Forty-Seventh IEEE Holm Conference on Electrical Contacts, 2001

Chemical Properties

Yellow Crystalline Powder

Uses

In cloud precipitation (rain-making).

Uses

Silver iodide is a yellow powder formed by the combination of a soluble iodide combined with silver nitrate. Silver iodide could also be formed by exposing metallic silver to the fumes of bromine as in the daguerreotype process. This was the primary halide used for all of the 19th century camera processes until the introduction of the silver bromide gelatin plate. With the exception of the daguerreotype, all silver iodide processes relied on physical development using a reducing agent such as gallic acid, pyrogallic acid, or ferrous sulfate, an acid restrainer, and excess silver.

Silver iodide Preparation Products And Raw materials

Raw materials

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Silver iodide SupplierMore

J & K SCIENTIFIC LTD.
Tel:
010-82848833- ;010-82848833-
Email:
jkinfo@jkchemical.com;market6@jkchemical.com
Meryer (Shanghai) Chemical Technology Co., Ltd.
Tel:
21-61259100-
Email:
sh@meryer.com
Alfa Aesar
Tel:
400-610-6006; 021-67582000
Email:
saleschina@alfa-asia.com
BeiJing Hwrk Chemicals Limted
Tel:
21-51691807-
Email:
peter.shi@hwrkchemical.com;
Energy Chemical
Tel:
021-58432009
Email:
sales8178@energy-chemical.com
Basic information Description References Safety Related Supplier