Sulfanilamide

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  • Identifiers

    CAS number
    63-74-1

    Molecular formula
    C6H8N2O2S

    SMILES
    C1=CC(=CC=C1N)S(=O)(=O)N

    Safety labels

    Irritant
    Irritant

  • Odor profile

    Fragrance
    Odorless 76.9%
    Cooked 25.06%
    Sulfurous 22.5%
    Savory 21.84%
    Roasted 21.52%
    Meaty 20.73%
    Burnt 19.36%
    Bitter 18.63%
    Pungent 17.2%
    Garlic 13.26%

     

    Flavor
    Bitter 66.54%
    Odorless 31.28%
    Mild 22.94%
    Nitrile 22.19%
    Taco 20.65%
    Bread crust 20.45%
    Roasted peanuts 19.95%
    Urine 19.93%
    Very strong 19.7%
    Indole 19.48%

     

    Odor impact est.
    Low

  • Properties

    XLogP3-AA
    -0.6

    pKa est.
    8.23 (weak base)

    Molecular weight
    172.21 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Ultra slow

    Boiling point est.
    426°C

    Melting point expt.

    • 329 to 331 °F (NTP, 1992)
    • 165.5 °C

    Flash point

    • 223.53 ˚C est.

    Solubility expt.

    • >25.8 [ug/mL] (The mean of the results at pH 7.4)
    • 0.1 to 1.0 mg/mL at 72 °F (NTP, 1992)
    • 7500 mg/L (at 25 °C)
    • IN WATER: 7.5 G/L AT 25 °C & 477 G/L AT 100 °C
    • 1 G DISSOLVES IN ABOUT 37 ML OF ALC & ABOUT 5 ML ACETONE
    • INSOL IN CHLOROFORM, ETHER, BENZENE & PETROLEUM ETHER; SOL IN GLYCEROL, PROPYLENE GLYCOL, HYDROCHLORIC ACID, SOLN OF POTASSIUM AND SODIUM HYDROXIDE
    • SOL IN ETHANOL
    • Water solubility = 8.36X10+3 mg/l at 25 °C
    • 1.04e+01 g/L

  • Synonyms

    • sulfanilamide
    • 4-Aminobenzenesulfonamide
    • 63-74-1
    • Sulphanilamide
    • Sulfamine
    • p-Aminobenzenesulfonamide
    • Sulphonamide
    • Sulfonylamide
    • Prontylin
    • p-Aminobenzenesulfamide
    • Prontosil Album
    • 4-Aminobenzene-1-Sulfonamide
    • Bacteramid
    • Streptasol
    • Streptocid
    • p-Sulfamoylaniline
    • Sulfonamide P
    • Prontosil I
    • Estreptocida
    • Exoseptoplix
    • Streptoclase
    • Sulfamidyl
    • Sulfanalone
    • Sulfanidyl
    • Sulfocidine
    • p-Sulfamidoaniline
    • Sulfana
    • Sulfanil
    • Benzenesulfonamide, 4-amino-
    • 4-Sulfamoylaniline
    • Sulfanilimidic acid
    • p-Anilinesulfonamide
    • p-Aminophenylsulfonamide
    • Streptrocide
    • Ambeside
    • Antistrept
    • Astreptine
    • Astrocid
    • Bactesid
    • Collomide
    • Colsulanyde
    • Copticide
    • Deseptyl
    • Ergaseptine
    • Erysipan
    • Gombardol
    • Lysococcine
    • Neococcyl
    • Orgaseptine
    • Prontalbin
    • Proseptal
    • Proseptine
    • Proseptol
    • Pysococcine
    • Septanilam
    • Septinal
    • Septolix
    • Septoplex
    • Septoplix
    • Strepamide
    • Strepsan
    • Streptagol
    • Streptamid
    • Streptamin
    • Streptocide
    • Streptocom
    • Strepton
    • Streptopan
    • Streptosil
    • Streptozol
    • Streptozone
    • Sulfocidin
    • Therapol
    • Albexan
    • Albosal
    • Dipron
    • Gerison
    • Infepan
    • Sanamid
    • Stramid
    • Tolder
    • Lusil
    • Prontosil White
    • Septamide Album
    • Pronzin Album
    • Stopton Album
    • Streptocid album
    • Rubiazol A
    • White streptocide
    • 4-Aminophenylsulfonamide
    • Streptocide White
    • PABS
    • p-Aminobenzenesulfonylamide
    • Aniline-p-sulfonic amide
    • Fourneau 1162
    • Streptocidum
    • Sulfanilamida
    • Sulfanilamidum
    • Sulfanilamide Vaginal Cream
    • Benzenesulfonamide, p-amino-
    • 4-azanylbenzenesulfonamide
    • Solfanilamide
    • Sulphanilamidum
    • Caswell No. 809A
    • MFCD00007939
    • HSDB 223
    • 4-(Aminosulfonyl)aniline
    • para-aminobenzenesulfonamide
    • 1162 F
    • CCRIS 764
    • A-349
    • p-Aminobenzensulfonamide
    • F 1162
    • CHEBI:45373
    • 4-Amino-benzenesulfonamide
    • 4-aminobenzene sulfonic acid amide
    • NSC 7618
    • NSC-7618
    • Sulfanilamide Melting Point Standard
    • EINECS 200-563-4
    • Sulfanilamidum [INN-Latin]
    • Sulfanilamida [INN-Spanish]
    • EPA Pesticide Chemical Code 077902
    • BRN 0511852
    • (4-(Aminosulfonyl)phenyl)amine
    • AVC
    • DTXSID4023622
    • UNII-21240MF57M

  • Applications

    Sulfanilamide (CAS 63-74-1) is primarily used as an intermediate in pharmaceutical manufacturing for the synthesis of sulfonamide compounds and related products, serving as a key building block in sulfonamide chemistry and medicinal chemistry development; it is also used as a reagent and analytical standard in chemical analysis and quality control, supporting method development and calibration; in the colorant and dye sector, it can serve as a precursor for sulfonamide-containing compounds and related colorants; it is employed in research and development activities in laboratory and industrial settings to generate new derivatives or assess properties; and these applications depend on local regulations and formulation limits.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 33.23
    methanol 102.55
    isopropanol 3.7
    water 7.44
    ethyl acetate 0.06
    n-propanol 6.24
    acetone 222.76
    n-butanol 3.23
    acetonitrile 16.42
    DMF 62.91
    toluene 0.02
    isobutanol 1.55
    1,4-dioxane 154.48
    methyl acetate 2.52
    THF 73.12
    2-butanone 10.68
    n-pentanol 1.34
    sec-butanol 1.48
    n-hexane 0.04
    ethylene glycol 9.14
    NMP 90.07
    cyclohexane 0.16
    DMSO 50.3
    n-butyl acetate 1.52
    n-octanol 0.61
    chloroform 0.0
    n-propyl acetate 0.87
    acetic acid 36.07
    dichloromethane 0.04
    cyclohexanone 15.24
    propylene glycol 7.69
    isopropyl acetate 0.18
    DMAc 52.26
    2-ethoxyethanol 14.39
    isopentanol 1.38
    n-heptane 0.13
    ethyl formate 3.23
    1,2-dichloroethane 0.13
    n-hexanol 1.64
    2-methoxyethanol 43.69
    isobutyl acetate 0.56
    tetrachloromethane 0.01
    n-pentyl acetate 1.21
    transcutol 16.14
    n-heptanol 1.28
    ethylbenzene 0.03
    MIBK 1.03
    2-propoxyethanol 12.26
    tert-butanol 2.65
    MTBE 0.83
    2-butoxyethanol 7.14
    propionic acid 3.95
    o-xylene 0.04
    formic acid 43.16
    diethyl ether 1.15
    m-xylene 0.02
    p-xylene 0.12
    chlorobenzene 0.08
    dimethyl carbonate 0.78
    n-octane 0.05
    formamide 108.7
    cyclopentanone 47.7
    2-pentanone 1.6
    anisole 0.75
    cyclopentyl methyl ether 1.26
    gamma-butyrolactone 31.98
    1-methoxy-2-propanol 9.23
    pyridine 6.96
    3-pentanone 0.94
    furfural 27.88
    n-dodecane 0.04
    diethylene glycol 17.25
    diisopropyl ether 0.14
    tert-amyl alcohol 1.28
    acetylacetone 4.68
    n-hexadecane 0.05
    acetophenone 1.59
    methyl propionate 0.25
    isopentyl acetate 1.5
    trichloroethylene 0.07
    n-nonanol 0.7
    cyclohexanol 1.24
    benzyl alcohol 1.09
    2-ethylhexanol 0.77
    isooctanol 0.86
    dipropyl ether 1.25
    1,2-dichlorobenzene 0.09
    ethyl lactate 1.66
    propylene carbonate 5.98
    n-methylformamide 33.75
    2-pentanol 0.44
    n-pentane 0.04
    1-propoxy-2-propanol 4.94
    1-methoxy-2-propyl acetate 2.72
    2-(2-methoxypropoxy) propanol 7.29
    mesitylene 0.04
    ε-caprolactone 6.73
    p-cymene 0.22
    epichlorohydrin 9.7
    1,1,1-trichloroethane 0.03
    2-aminoethanol 12.68
    morpholine-4-carbaldehyde 71.7
    sulfolane 38.98
    2,2,4-trimethylpentane 0.01
    2-methyltetrahydrofuran 9.1
    n-hexyl acetate 1.25
    isooctane 0.01
    2-(2-butoxyethoxy)ethanol 9.62
    sec-butyl acetate 0.32
    tert-butyl acetate 0.79
    decalin 0.03
    glycerin 16.09
    diglyme 23.08
    acrylic acid 6.95
    isopropyl myristate 0.76
    n-butyric acid 1.99
    acetyl acetate 0.39
    di(2-ethylhexyl) phthalate 2.31
    ethyl propionate 0.28
    nitromethane 84.24
    1,2-diethoxyethane 3.3
    benzonitrile 1.29
    trioctyl phosphate 1.38
    1-bromopropane 0.03
    gamma-valerolactone 86.68
    n-decanol 0.58
    triethyl phosphate 1.3
    4-methyl-2-pentanol 0.31
    propionitrile 1.84
    vinylene carbonate 3.79
    1,1,2-trichlorotrifluoroethane 6.53
    DMS 1.4
    cumene 0.06
    2-octanol 0.47
    2-hexanone 2.31
    octyl acetate 1.2
    limonene 0.37
    1,2-dimethoxyethane 31.55
    ethyl orthosilicate 1.13
    tributyl phosphate 1.27
    diacetone alcohol 4.24
    N,N-dimethylaniline 0.73
    acrylonitrile 3.8
    aniline 0.33
    1,3-propanediol 14.7
    bromobenzene 0.03
    dibromomethane 0.02
    1,1,2,2-tetrachloroethane 0.06
    2-methyl-cyclohexyl acetate 2.13
    tetrabutyl urea 2.96
    diisobutyl methanol 0.55
    2-phenylethanol 2.11
    styrene 0.05
    dioctyl adipate 2.18
    dimethyl sulfate 2.91
    ethyl butyrate 1.27
    methyl lactate 2.45
    butyl lactate 2.43
    diethyl carbonate 1.12
    propanediol butyl ether 5.43
    triethyl orthoformate 1.61
    p-tert-butyltoluene 0.2
    methyl 4-tert-butylbenzoate 4.6
    morpholine 75.97
    tert-butylamine 0.76
    n-dodecanol 0.48
    dimethoxymethane 11.22
    ethylene carbonate 2.85
    cyrene 17.11
    2-ethoxyethyl acetate 3.03
    2-ethylhexyl acetate 1.08
    1,2,4-trichlorobenzene 0.18
    4-methylpyridine 1.19
    dibutyl ether 0.69
    2,6-dimethyl-4-heptanol 0.55
    DEF 2.75
    dimethyl isosorbide 15.1
    tetrachloroethylene 0.07
    eugenol 5.9
    triacetin 3.81
    span 80 5.63
    1,4-butanediol 4.52
    1,1-dichloroethane 0.02
    2-methyl-1-pentanol 0.79
    methyl formate 23.07
    2-methyl-1-butanol 1.07
    n-decane 0.06
    butyronitrile 1.79
    3,7-dimethyl-1-octanol 0.57
    1-chlorooctane 0.14
    1-chlorotetradecane 0.1
    n-nonane 0.05
    undecane 0.05
    tert-butylcyclohexane 0.02
    cyclooctane 0.03
    cyclopentanol 4.25
    tetrahydropyran 11.96
    tert-amyl methyl ether 0.44
    2,5,8-trioxanonane 19.34
    1-hexene 0.11
    2-isopropoxyethanol 4.97
    2,2,2-trifluoroethanol 7.76
    methyl butyrate 0.97

    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