Silver iodide

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  • Identifiers

    CAS number
    7783-96-2

    Molecular formula
    AgI

    SMILES
    [Ag]I

    Safety labels

    Environmental Hazard
    Environmental

  • Odor profile

    Fragrance
    Fishy 56.23%
    Odorless 49.07%
    Cheesy 42.64%
    Ripe 38.93%
    Alcoholic 27.45%
    Fermented 26.43%
    Oily 26.28%
    Pungent 20.9%
    Meaty 19.89%
    Sulfurous 19.72%

     

  • Properties

    pKa est.
    -95.78 (strong acid)

    Molecular weight
    234.773 g/mol

    Melting point expt.

    • 552 °C

    Boiling point

    • 1506 °C

    Flash point

    • 241.09 ˚C est.

    Solubility expt.

    • Sol in hydriodic acid, /aqueous solutions of/ potassium iodide, sodium chloride, potassium cyanide, ammonium hydroxide, and sodium thiosulfate.
    • Sol in concn soln of alkali bromides, chlorides, thiocyanates, thiosulfates, mercuric and silver nitrates
    • In water, 28X10-7 g/l @ 25 °C; 25X10-6 g/l at 60 °C

  • Synonyms

    • Silver Iodide
    • 7783-96-2
    • Iodosilver
    • Neosiluol
    • Silver monoiodide
    • Neosilvol
    • Silver iodide (AgI)
    • Silver(1+) iodide
    • Colloidal silver iodide
    • HSDB 2930
    • EINECS 232-038-0
    • UNII-81M6Z3D1XE
    • CCRIS 8490
    • 81M6Z3D1XE
    • EC 232-038-0
    • AG129I
    • iodanylsilver
    • Iodure d'argent
    • iodeto de prata
    • yoduro de plata
    • ioduro d'argento
    • Silver iodide, 99%
    • DTXSID0064836
    • AKOS024438108
    • HY-W019930
    • CS-0031739
    • Silver iodide, 99.999% trace metals basis
    • Q19052
    • A839238
    • Silver iodide, Premion?, 99.999% (metals basis)
    • 232-038-0

  • Applications

    Silver iodide (CAS 7783-96-2) has several niche applications across specialized industries: it is used in cloud seeding as an aerosolized ice-nucleating agent to influence precipitation; in traditional and archival photography it served as a light-sensitive component within photographic emulsions; in electronics and materials science it is studied as a solid-state ionic conductor and used in certain detectors and optoelectronic devices; in organic synthesis it has been investigated as a catalyst and as a source of iodide for selective halogenation reactions. These applications illustrate its role across weather modification, imaging, materials science, and synthesis, with practical use often limited by formulation constraints and local regulations.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 882.92
    methanol 1027.16
    isopropanol 709.78
    water 27.85
    ethyl acetate 469.69
    n-propanol 640.18
    acetone 923.89
    n-butanol 640.3
    acetonitrile 444.75
    DMF 1872.09
    toluene 367.71
    isobutanol 451.76
    1,4-dioxane 1172.81
    methyl acetate 473.68
    THF 1684.02
    2-butanone 583.73
    n-pentanol 477.42
    sec-butanol 528.33
    n-hexane 147.36
    ethylene glycol 427.85
    NMP 1262.42
    cyclohexane 224.23
    DMSO 1756.25
    n-butyl acetate 414.53
    n-octanol 387.56
    chloroform 952.16
    n-propyl acetate 375.82
    acetic acid 808.82
    dichloromethane 873.87
    cyclohexanone 800.96
    propylene glycol 352.5
    isopropyl acetate 338.33
    DMAc 1021.72
    2-ethoxyethanol 763.62
    isopentanol 473.13
    n-heptane 199.14
    ethyl formate 395.04
    1,2-dichloroethane 645.52
    n-hexanol 538.48
    2-methoxyethanol 1287.98
    isobutyl acetate 256.2
    tetrachloromethane 301.87
    n-pentyl acetate 381.51
    transcutol 1564.28
    n-heptanol 393.12
    ethylbenzene 199.49
    MIBK 394.66
    2-propoxyethanol 858.29
    tert-butanol 736.0
    MTBE 498.2
    2-butoxyethanol 630.13
    propionic acid 446.03
    o-xylene 289.57
    formic acid 402.14
    diethyl ether 648.68
    m-xylene 289.75
    p-xylene 238.28
    chlorobenzene 402.01
    dimethyl carbonate 317.63
    n-octane 97.79
    formamide 537.4
    cyclopentanone 1002.36
    2-pentanone 608.98
    anisole 427.81
    cyclopentyl methyl ether 772.15
    gamma-butyrolactone 877.7
    1-methoxy-2-propanol 949.91
    pyridine 829.77
    3-pentanone 454.77
    furfural 927.73
    n-dodecane 82.54
    diethylene glycol 875.97
    diisopropyl ether 263.05
    tert-amyl alcohol 528.0
    acetylacetone 611.59
    n-hexadecane 88.81
    acetophenone 370.0
    methyl propionate 444.53
    isopentyl acetate 343.34
    trichloroethylene 944.03
    n-nonanol 337.29
    cyclohexanol 605.59
    benzyl alcohol 411.0
    2-ethylhexanol 336.49
    isooctanol 311.99
    dipropyl ether 478.39
    1,2-dichlorobenzene 370.78
    ethyl lactate 257.25
    propylene carbonate 471.71
    n-methylformamide 702.54
    2-pentanol 493.49
    n-pentane 210.47
    1-propoxy-2-propanol 686.52
    1-methoxy-2-propyl acetate 466.27
    2-(2-methoxypropoxy) propanol 483.1
    mesitylene 214.95
    ε-caprolactone 620.93
    p-cymene 197.8
    epichlorohydrin 924.74
    1,1,1-trichloroethane 554.34
    2-aminoethanol 525.3
    morpholine-4-carbaldehyde 1333.08
    sulfolane 1106.87
    2,2,4-trimethylpentane 104.35
    2-methyltetrahydrofuran 950.53
    n-hexyl acetate 414.56
    isooctane 92.19
    2-(2-butoxyethoxy)ethanol 702.32
    sec-butyl acetate 264.09
    tert-butyl acetate 393.81
    decalin 106.76
    glycerin 557.93
    diglyme 1151.56
    acrylic acid 447.37
    isopropyl myristate 234.98
    n-butyric acid 569.04
    acetyl acetate 332.06
    di(2-ethylhexyl) phthalate 220.29
    ethyl propionate 299.41
    nitromethane 886.49
    1,2-diethoxyethane 612.37
    benzonitrile 399.62
    trioctyl phosphate 189.33
    1-bromopropane 451.89
    gamma-valerolactone 1163.0
    n-decanol 276.93
    triethyl phosphate 201.62
    4-methyl-2-pentanol 308.75
    propionitrile 376.49
    vinylene carbonate 454.12
    1,1,2-trichlorotrifluoroethane 796.92
    DMS 319.99
    cumene 165.39
    2-octanol 313.99
    2-hexanone 415.2
    octyl acetate 273.84
    limonene 295.1
    1,2-dimethoxyethane 1039.13
    ethyl orthosilicate 218.36
    tributyl phosphate 199.78
    diacetone alcohol 541.17
    N,N-dimethylaniline 378.86
    acrylonitrile 447.55
    aniline 464.26
    1,3-propanediol 650.84
    bromobenzene 401.06
    dibromomethane 673.28
    1,1,2,2-tetrachloroethane 760.54
    2-methyl-cyclohexyl acetate 278.3
    tetrabutyl urea 294.95
    diisobutyl methanol 262.95
    2-phenylethanol 407.8
    styrene 256.84
    dioctyl adipate 292.8
    dimethyl sulfate 478.62
    ethyl butyrate 325.53
    methyl lactate 380.49
    butyl lactate 328.64
    diethyl carbonate 223.07
    propanediol butyl ether 588.96
    triethyl orthoformate 291.52
    p-tert-butyltoluene 208.89
    methyl 4-tert-butylbenzoate 414.62
    morpholine 1252.29
    tert-butylamine 500.92
    n-dodecanol 238.84
    dimethoxymethane 1042.46
    ethylene carbonate 381.19
    cyrene 464.22
    2-ethoxyethyl acetate 454.25
    2-ethylhexyl acetate 303.47
    1,2,4-trichlorobenzene 435.2
    4-methylpyridine 689.52
    dibutyl ether 365.53
    2,6-dimethyl-4-heptanol 262.95
    DEF 741.32
    dimethyl isosorbide 703.18
    tetrachloroethylene 632.71
    eugenol 464.67
    triacetin 385.87
    span 80 522.65
    1,4-butanediol 351.48
    1,1-dichloroethane 564.82
    2-methyl-1-pentanol 376.36
    methyl formate 540.2
    2-methyl-1-butanol 435.73
    n-decane 115.1
    butyronitrile 431.36
    3,7-dimethyl-1-octanol 309.04
    1-chlorooctane 255.2
    1-chlorotetradecane 145.4
    n-nonane 117.22
    undecane 94.61
    tert-butylcyclohexane 109.18
    cyclooctane 111.27
    cyclopentanol 674.36
    tetrahydropyran 951.05
    tert-amyl methyl ether 447.32
    2,5,8-trioxanonane 824.74
    1-hexene 287.57
    2-isopropoxyethanol 548.13
    2,2,2-trifluoroethanol 327.03
    methyl butyrate 385.52

    Scent© AI

1 4

IFRA standard 51

Recommendation
No restriction
Maximum acceptable concentrations in the finished product (%)
Category 1
Products applied to the lips
 No restriction Category 7A
Rinse-off products applied to the hair with some hand contact
 No restriction
Category 2
Products applied to the axillae
 No restriction Category 7B
Leave-on products applied to the hair with some hand contact
 No restriction
Category 3
Products applied to the face/body using fingertips
 No restriction Category 8
Products with significant anogenital exposure
 No restriction
Category 4
Products related to fine fragrance
 No restriction Category 9
Products with body and hand exposure, primarily rinse off
 No restriction
Category 5A
Body lotion products applied to the body using the hands (palms), primarily leave on
 No restriction Category 10A
Household care products with mostly hand contact
 No restriction
Category 5B
Face moisturizer products applied to the face using the hands (palms), primarily leave on
 No restriction Category 10B
Household care products with mostly hand contact, including aerosol/spray products (with potential leave-on skin contact)
 No restriction
Category 5C
Hand cream products applied to the hands using the hands (palms), primarily leave on
 No restriction Category 11A
Products with intended skin contact but minimal transfer of fragrance to skin from inert substrate without UV exposure
 No restriction
Category 5D
Baby Creams, baby Oils and baby talc
 No restriction Category 11B
Products with intended skin contact but minimal transfer of fragrance to skin from inert substrate with potential UV exposure
 No restriction
Category 6
Products with oral and lip exposure
 No restriction Category 12
Products not intended for direct skin contact, minimal or insignificant transfer to skin
 No restriction