Names | |
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IUPAC name
Silver(I) bromide
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Other names
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Identifiers | |
3D model (JSmol)
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ChemSpider | |
ECHA InfoCard | 100.029.160 |
EC Number |
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PubChem CID
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UNII | |
CompTox Dashboard (EPA)
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Properties | |
AgBr | |
Molar mass | 187.77 g/mol |
Appearance |
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Density | 6.47 g/cm3, solid[1] |
Melting point | 430 °C (806 °F; 703 K)[1] |
Boiling point | 1,502 °C (2,736 °F; 1,775 K)[1] |
0.14 mg/L (25 °C)[1] | |
Solubility product (Ksp)
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5.35 × 10 −13[2] |
Solubility | |
Band gap | 2.5 eV |
−59.7·10−6 cm3/mol[3] | |
Refractive index (nD)
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2.253 |
Structure | |
5.62 D[4] | |
Thermochemistry[5] | |
Heat capacity (C)
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52.4 J·mol−1·K−1 |
Std molar
entropy (S⦵298) |
107.1 J·mol−1·K−1 |
Std enthalpy of
formation (ΔfH⦵298) |
−100.4 kJ·mol−1 |
Gibbs free energy (ΔfG⦵)
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−96.9 kJ·mol−1 |
Hazards | |
GHS labelling: | |
Warning | |
H410 | |
P273, P391, P501 | |
Related compounds | |
Other anions
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Other cations
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Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Silver bromide (AgBr) is a soft, pale-yellow, water-insoluble salt well known (along with other silver halides) for its unusual sensitivity to light.[6] This property has allowed silver halides to become the basis of modern photographic materials.[7] AgBr is widely used in photographic films and is believed by some to have been used for making the Shroud of Turin.[8] The salt can be found naturally as the mineral bromargyrite.[9]
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