Lead thiocyanate

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  • Identifiers

    CAS number
    592-87-0

    Molecular formula
    C2N2PbS2

    SMILES
    C(#N)[S-].C(#N)[S-].[Pb+2]

    Safety labels

    Irritant
    Irritant

    Health Hazard
    Health

    Environmental Hazard
    Environmental

  • Odor profile

    Fragrance
    Odorless 61.32%
    Sulfurous 38.26%
    Garlic 22.55%
    Meaty 21.76%
    Onion 21.7%
    Pungent 18.77%
    Fishy 18.47%
    Alliaceous 17.27%
    Cooked 16.45%
    Savory 16.35%

     

    Flavor
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    0%

     

    Odor impact est.
    Odorless

  • Properties

    pKa est.
    -188790.25 (strong acid)

    Molecular weight
    323.0 g/mol

    Melting point expt.

    • 374 °F
    • 190 °C, DECOMPOSES

    Flash point

    • 89.73 ˚C est.

    Solubility expt.

    • 0.05 g/100 cc water at 20 °C
    • Soluble in 200 parts cold water and 50 parts warm water. Soluble in alkali hydroxide and thiocyanate solutions
    • Soluble in potassium thiocyanate, nitric acid; slightly soluble in cold water; decomposes in hot water.

  • Synonyms

    • Lead(II) thiocyanate
    • 592-87-0
    • LEAD THIOCYANATE
    • Lead sulfocyanate
    • Lead dithiocyanate
    • lead(2+);dithiocyanate
    • Lead isothiocyanate
    • Lead thiocyanate (Pb(SCN)2)
    • Thiocyanic acid, lead(2+) salt
    • EINECS 209-774-6
    • 7977FZ765Q
    • Thiocyanic acid lead(2+) salt (2:1)
    • LEAD THIOCYANATE [MI]
    • HSDB 641
    • DTXSID90890513
    • Isothiocyanic acid, lead(2+) salt
    • Lead(II) thiocyanate (Pb(NCS)2)
    • Thiocyanic acid, lead(2+) salt (2:1)
    • Plumbous thiocyanate
    • Lead thiocyanic acid
    • Lead(II) rhodanide
    • bis(cyanosulfanyl)plumbane
    • Pb(SCN)2
    • SCHEMBL42006
    • LEAD BIS(THIOCYANATE)
    • LEAD(2+) THIOCYANATE
    • SCHEMBL107555
    • Pb (N C S)2
    • SCHEMBL1274475
    • UNII-7977FZ765Q
    • DTXCID101326569
    • THIOCYANIC ACID, LEAD (2+) SALT
    • L0365
    • NS00075548
    • 209-774-6

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 17.39
    methanol 27.97
    isopropanol 12.97
    water 7.22
    ethyl acetate 43.18
    n-propanol 13.29
    acetone 147.44
    n-butanol 9.25
    acetonitrile 68.41
    DMF 446.03
    toluene 9.16
    isobutanol 9.46
    1,4-dioxane 91.94
    methyl acetate 73.12
    THF 150.68
    2-butanone 68.57
    n-pentanol 11.26
    sec-butanol 11.38
    n-hexane 1.41
    ethylene glycol 28.91
    NMP 388.2
    cyclohexane 2.72
    DMSO 504.43
    n-butyl acetate 33.0
    n-octanol 15.14
    chloroform 36.43
    n-propyl acetate 39.3
    acetic acid 54.93
    dichloromethane 45.38
    cyclohexanone 66.66
    propylene glycol 16.81
    isopropyl acetate 28.18
    DMAc 503.04
    2-ethoxyethanol 55.86
    isopentanol 8.84
    n-heptane 3.66
    ethyl formate 43.95
    1,2-dichloroethane 38.74
    n-hexanol 14.11
    2-methoxyethanol 82.82
    isobutyl acetate 22.21
    tetrachloromethane 7.67
    n-pentyl acetate 29.98
    transcutol 108.8
    n-heptanol 12.58
    ethylbenzene 6.9
    MIBK 23.99
    2-propoxyethanol 51.85
    tert-butanol 19.28
    MTBE 20.67
    2-butoxyethanol 36.0
    propionic acid 32.02
    o-xylene 11.3
    formic acid 48.61
    diethyl ether 25.0
    m-xylene 7.58
    p-xylene 10.67
    chlorobenzene 15.81
    dimethyl carbonate 59.02
    n-octane 2.08
    formamide 103.4
    cyclopentanone 126.74
    2-pentanone 38.46
    anisole 35.68
    cyclopentyl methyl ether 40.55
    gamma-butyrolactone 156.21
    1-methoxy-2-propanol 52.25
    pyridine 65.42
    3-pentanone 44.6
    furfural 156.58
    n-dodecane 2.22
    diethylene glycol 66.51
    diisopropyl ether 8.96
    tert-amyl alcohol 16.33
    acetylacetone 89.68
    n-hexadecane 2.48
    acetophenone 53.8
    methyl propionate 53.17
    isopentyl acetate 28.71
    trichloroethylene 66.62
    n-nonanol 15.37
    cyclohexanol 14.0
    benzyl alcohol 29.15
    2-ethylhexanol 13.45
    isooctanol 11.1
    dipropyl ether 22.83
    1,2-dichlorobenzene 20.45
    ethyl lactate 34.83
    propylene carbonate 75.54
    n-methylformamide 105.23
    2-pentanol 8.07
    n-pentane 1.57
    1-propoxy-2-propanol 39.59
    1-methoxy-2-propyl acetate 52.47
    2-(2-methoxypropoxy) propanol 55.7
    mesitylene 6.0
    ε-caprolactone 65.85
    p-cymene 10.61
    epichlorohydrin 103.39
    1,1,1-trichloroethane 26.57
    2-aminoethanol 25.04
    morpholine-4-carbaldehyde 246.25
    sulfolane 249.91
    2,2,4-trimethylpentane 1.03
    2-methyltetrahydrofuran 64.62
    n-hexyl acetate 31.11
    isooctane 0.7
    2-(2-butoxyethoxy)ethanol 55.48
    sec-butyl acetate 22.62
    tert-butyl acetate 30.63
    decalin 1.66
    glycerin 43.14
    diglyme 117.97
    acrylic acid 45.8
    isopropyl myristate 18.94
    n-butyric acid 23.97
    acetyl acetate 44.22
    di(2-ethylhexyl) phthalate 24.47
    ethyl propionate 34.54
    nitromethane 230.94
    1,2-diethoxyethane 48.53
    benzonitrile 37.19
    trioctyl phosphate 18.38
    1-bromopropane 13.69
    gamma-valerolactone 158.13
    n-decanol 13.28
    triethyl phosphate 30.38
    4-methyl-2-pentanol 6.21
    propionitrile 29.47
    vinylene carbonate 68.04
    1,1,2-trichlorotrifluoroethane 110.58
    DMS 54.86
    cumene 6.16
    2-octanol 10.19
    2-hexanone 35.57
    octyl acetate 24.74
    limonene 14.95
    1,2-dimethoxyethane 117.39
    ethyl orthosilicate 26.14
    tributyl phosphate 21.53
    diacetone alcohol 45.28
    N,N-dimethylaniline 35.11
    acrylonitrile 49.61
    aniline 23.63
    1,3-propanediol 22.1
    bromobenzene 12.74
    dibromomethane 25.26
    1,1,2,2-tetrachloroethane 59.17
    2-methyl-cyclohexyl acetate 31.97
    tetrabutyl urea 36.95
    diisobutyl methanol 10.52
    2-phenylethanol 28.9
    styrene 9.64
    dioctyl adipate 34.53
    dimethyl sulfate 154.39
    ethyl butyrate 33.23
    methyl lactate 52.15
    butyl lactate 31.05
    diethyl carbonate 29.32
    propanediol butyl ether 34.52
    triethyl orthoformate 31.13
    p-tert-butyltoluene 10.31
    methyl 4-tert-butylbenzoate 50.24
    morpholine 83.1
    tert-butylamine 10.8
    n-dodecanol 11.52
    dimethoxymethane 122.31
    ethylene carbonate 51.13
    cyrene 84.1
    2-ethoxyethyl acetate 49.46
    2-ethylhexyl acetate 24.93
    1,2,4-trichlorobenzene 31.75
    4-methylpyridine 53.14
    dibutyl ether 18.82
    2,6-dimethyl-4-heptanol 10.52
    DEF 87.84
    dimethyl isosorbide 103.16
    tetrachloroethylene 37.18
    eugenol 50.93
    triacetin 61.97
    span 80 40.14
    1,4-butanediol 16.18
    1,1-dichloroethane 24.07
    2-methyl-1-pentanol 10.01
    methyl formate 108.14
    2-methyl-1-butanol 8.67
    n-decane 3.09
    butyronitrile 20.77
    3,7-dimethyl-1-octanol 14.99
    1-chlorooctane 10.05
    1-chlorotetradecane 5.74
    n-nonane 2.75
    undecane 2.58
    tert-butylcyclohexane 1.43
    cyclooctane 1.41
    cyclopentanol 25.35
    tetrahydropyran 40.76
    tert-amyl methyl ether 20.03
    2,5,8-trioxanonane 103.05
    1-hexene 4.52
    2-isopropoxyethanol 39.93
    2,2,2-trifluoroethanol 55.73
    methyl butyrate 43.07

    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