Sulfur dichloride

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  • Identifiers

    CAS number
    10545-99-0

    Molecular formula
    Cl2S

    SMILES
    S(Cl)Cl

    Safety labels

    Corrosive
    Corrosive

    Irritant
    Irritant

    Environmental Hazard
    Environmental

  • Odor profile

    Fragrance
    Sulfurous 68.95%
    Meaty 52.12%
    Onion 51.01%
    Garlic 48.83%
    Vegetable 40.95%
    Alliaceous 39.54%
    Savory 39.44%
    Cooked 36.32%
    Cabbage 35.69%
    Fishy 35.11%

     

    Flavor
    Sulfurous 43.39%
    Onion 39.37%
    Sulfury 37.15%
    Meaty 35.82%
    Garlic 34.47%
    Fishy 29.75%
    Sulfur 27.24%
    Roasted 24.35%
    Alliaceous 22.89%
    Cabbage 21.92%

     

    Odor impact est.
    High

    Odor threshold

    • Odor Threshold Low: 0.001 [ppm]
    • Odor threshold: 0.0042 mg/cu m (low); 0.0042 mg/cu m (high).
    • Air: 0.77 ul/l; Odor safety class C; C= less than 50% of distracted persons perceive warning of TLV. /Hydrochloric acid/
    • Odor low: 7.0 mg/cu m; Odor high: 49.0 mg/cu m; strong irritating odor; Irritating concn= 49.00 mg/cu m. /Hydrochloric acid/

  • Properties

    XLogP3-AA
    2.0

    pKa est.
    -14.8 (strong acid)

    Molecular weight
    102.97 g/mol

    Melting point expt.

    • -122 °C
    • -78 °C

    Boiling point

    • 59 °C
    • 59 °C (decomp)

    Flash point

    • 53.42 ˚C est.
    • 245 °F (118 °C) (open cup)

    Solubility expt.

    • Slightly soluble in aliphatic hydrocarbons; very soluble in benzene and carbon tetrachloride
    • Soluble in hexane
    • Sulfur dichloride is miscible with many inorganic and organic covalent compounds such as liquid SO2, S2Cl2, SOCl2, SO2Cl2, chlorohydrocarbons, and benzene.
    • Solubility in water: reaction

  • Synonyms

    • SULFUR DICHLORIDE
    • Dichlorosulfane
    • Sulphur dichloride
    • 10545-99-0
    • Chlorine sulfide
    • Sulfur chloride (SCl2)
    • chloro thiohypochlorite
    • Monosulfur dichloride
    • Disulfur tetrachloride
    • UNII-8Q6684WQ9H
    • DICHLOROSULFUR
    • HSDB 798
    • 8Q6684WQ9H
    • EINECS 234-129-0
    • DTXSID4051538
    • EC 234-129-0
    • SULFUR CHLORIDE (SCL2) [HSDB]
    • Dichloro sulfide
    • Sulphur chloride
    • chlorosulfenyl chloride
    • thiochloride
    • sulfenylchloride
    • sulfenyl chloride
    • sulphenyl chloride
    • SCl2
    • Sulfur (II) chloride
    • chlo-rosulfonium chloride
    • Chlorine sulfide (Cl2S)
    • Sulfur dichloride (SCl2)
    • DTXCID9030090
    • MFCD00011445
    • UN1828
    • AKOS015914303
    • DB-231857
    • Q409028

  • Applications

    Sulfur dichloride (CAS 10545-99-0) is primarily used as an electrophilic sulfur source in organic synthesis. It serves as an intermediate for introducing sulfur into substrates, enabling the formation of sulfur-containing functionalities such as thioethers during key synthetic steps. In industrial manufacturing, it is used as a precursor to sulfur-containing monomers and specialty chemicals for polymers and coatings, as well as to prepare intermediates for dye and pigment chemistry. It also finds use in the synthesis of sulfur-containing pharmaceutical and agrochemical intermediates, and in forming surface-active reagents and crosslinking components for coatings and adhesives. Applications are subject to local regulations and formulation limits.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 307.49
    methanol 361.87
    isopropanol 283.26
    water 9.93
    ethyl acetate 196.91
    n-propanol 237.28
    acetone 455.81
    n-butanol 238.4
    acetonitrile 189.01
    DMF 1219.95
    toluene 178.89
    isobutanol 181.26
    1,4-dioxane 471.68
    methyl acetate 207.42
    THF 796.57
    2-butanone 274.01
    n-pentanol 164.82
    sec-butanol 215.45
    n-hexane 62.94
    ethylene glycol 134.86
    NMP 805.22
    cyclohexane 98.33
    DMSO 1028.78
    n-butyl acetate 155.9
    n-octanol 144.81
    chloroform 389.05
    n-propyl acetate 137.54
    acetic acid 306.14
    dichloromethane 350.04
    cyclohexanone 382.47
    propylene glycol 124.56
    isopropyl acetate 154.83
    DMAc 725.62
    2-ethoxyethanol 261.24
    isopentanol 188.69
    n-heptane 63.6
    ethyl formate 165.57
    1,2-dichloroethane 279.57
    n-hexanol 168.55
    2-methoxyethanol 497.61
    isobutyl acetate 100.44
    tetrachloromethane 141.89
    n-pentyl acetate 159.26
    transcutol 456.48
    n-heptanol 142.13
    ethylbenzene 91.55
    MIBK 177.61
    2-propoxyethanol 295.56
    tert-butanol 334.25
    MTBE 261.04
    2-butoxyethanol 226.13
    propionic acid 163.49
    o-xylene 134.5
    formic acid 146.26
    diethyl ether 287.82
    m-xylene 136.61
    p-xylene 117.28
    chlorobenzene 185.88
    dimethyl carbonate 168.4
    n-octane 36.01
    formamide 214.42
    cyclopentanone 502.73
    2-pentanone 278.96
    anisole 195.7
    cyclopentyl methyl ether 359.14
    gamma-butyrolactone 425.63
    1-methoxy-2-propanol 417.15
    pyridine 375.53
    3-pentanone 209.28
    furfural 451.68
    n-dodecane 30.27
    diethylene glycol 268.87
    diisopropyl ether 120.92
    tert-amyl alcohol 238.64
    acetylacetone 303.71
    n-hexadecane 33.47
    acetophenone 180.16
    methyl propionate 213.74
    isopentyl acetate 133.94
    trichloroethylene 408.35
    n-nonanol 127.99
    cyclohexanol 248.11
    benzyl alcohol 171.58
    2-ethylhexanol 114.11
    isooctanol 117.23
    dipropyl ether 178.28
    1,2-dichlorobenzene 171.91
    ethyl lactate 97.25
    propylene carbonate 223.65
    n-methylformamide 351.42
    2-pentanol 195.28
    n-pentane 84.86
    1-propoxy-2-propanol 231.95
    1-methoxy-2-propyl acetate 176.53
    2-(2-methoxypropoxy) propanol 179.68
    mesitylene 105.38
    ε-caprolactone 266.21
    p-cymene 81.47
    epichlorohydrin 417.26
    1,1,1-trichloroethane 271.01
    2-aminoethanol 178.02
    morpholine-4-carbaldehyde 665.45
    sulfolane 603.41
    2,2,4-trimethylpentane 43.14
    2-methyltetrahydrofuran 430.84
    n-hexyl acetate 177.16
    isooctane 39.95
    2-(2-butoxyethoxy)ethanol 239.77
    sec-butyl acetate 102.69
    tert-butyl acetate 194.96
    decalin 45.73
    glycerin 198.84
    diglyme 426.57
    acrylic acid 175.3
    isopropyl myristate 95.32
    n-butyric acid 217.32
    acetyl acetate 145.44
    di(2-ethylhexyl) phthalate 94.11
    ethyl propionate 125.93
    nitromethane 388.93
    1,2-diethoxyethane 214.9
    benzonitrile 171.2
    trioctyl phosphate 79.29
    1-bromopropane 196.49
    gamma-valerolactone 531.22
    n-decanol 101.09
    triethyl phosphate 84.65
    4-methyl-2-pentanol 122.38
    propionitrile 153.33
    vinylene carbonate 214.29
    1,1,2-trichlorotrifluoroethane 351.72
    DMS 137.19
    cumene 71.68
    2-octanol 121.83
    2-hexanone 172.05
    octyl acetate 118.35
    limonene 121.37
    1,2-dimethoxyethane 452.83
    ethyl orthosilicate 87.19
    tributyl phosphate 81.48
    diacetone alcohol 243.44
    N,N-dimethylaniline 192.36
    acrylonitrile 201.52
    aniline 216.98
    1,3-propanediol 234.55
    bromobenzene 186.57
    dibromomethane 270.04
    1,1,2,2-tetrachloroethane 354.67
    2-methyl-cyclohexyl acetate 113.24
    tetrabutyl urea 126.41
    diisobutyl methanol 93.46
    2-phenylethanol 158.9
    styrene 119.6
    dioctyl adipate 123.38
    dimethyl sulfate 303.68
    ethyl butyrate 127.25
    methyl lactate 159.83
    butyl lactate 131.02
    diethyl carbonate 90.23
    propanediol butyl ether 203.3
    triethyl orthoformate 113.93
    p-tert-butyltoluene 88.61
    methyl 4-tert-butylbenzoate 203.83
    morpholine 507.87
    tert-butylamine 231.99
    n-dodecanol 85.62
    dimethoxymethane 604.02
    ethylene carbonate 175.39
    cyrene 196.08
    2-ethoxyethyl acetate 177.23
    2-ethylhexyl acetate 117.56
    1,2,4-trichlorobenzene 198.0
    4-methylpyridine 355.84
    dibutyl ether 141.92
    2,6-dimethyl-4-heptanol 93.46
    DEF 380.4
    dimethyl isosorbide 310.47
    tetrachloroethylene 287.68
    eugenol 203.48
    triacetin 163.48
    span 80 197.03
    1,4-butanediol 114.28
    1,1-dichloroethane 263.9
    2-methyl-1-pentanol 133.67
    methyl formate 274.79
    2-methyl-1-butanol 175.61
    n-decane 43.45
    butyronitrile 177.77
    3,7-dimethyl-1-octanol 114.81
    1-chlorooctane 100.76
    1-chlorotetradecane 56.26
    n-nonane 43.59
    undecane 35.05
    tert-butylcyclohexane 46.87
    cyclooctane 44.03
    cyclopentanol 292.45
    tetrahydropyran 391.15
    tert-amyl methyl ether 219.26
    2,5,8-trioxanonane 316.21
    1-hexene 128.86
    2-isopropoxyethanol 194.64
    2,2,2-trifluoroethanol 133.9
    methyl butyrate 163.58

    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