Fenaminosulf

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  • Identifiers

    CAS number
    140-56-7

    Molecular formula
    C8H10N3NaO3S

    SMILES
    CN(C)C1=CC=C(C=C1)N=NS(=O)(=O)[O-].[Na+]

    Safety labels

    Acute Toxic
    Acute Toxic

  • Odor profile

    Fragrance
    Odorless 67.43%
    Cooked 24.53%
    Savory 22.85%
    Roasted 22.51%
    Pungent 19.01%
    Bitter 17.66%
    Meaty 17.66%
    Grape 16.8%
    Fresh 16.06%
    Sulfurous 14.58%

     

    Flavor
    Bitter 73.54%
    Odorless 27.63%
    Nitrile 20.83%
    Taco 19.9%
    Bland 19.77%
    Roasted peanuts 19.75%
    Bread crust 19.25%
    Very strong 18.55%
    Cedarleaf 18.34%
    Scallion 18.34%

     

    Odor impact est.
    Low

  • Properties

    pKa est.
    4.42 (weak acid)

    Molecular weight
    251.24 g/mol

    Melting point expt.

    • 392 °F (Decomposes) (NTP, 1992)

    Flash point

    • 168.12 ˚C est.

    Solubility expt.

    • 10 to 50 mg/mL at 72.5 °F (NTP, 1992)
    • IN WATER: 2-3 G/100 ML @ 25 °C; SOL IN DIMETHYLFORMAMIDE, ETHANOL; INSOL IN DIETHYL ETHER, BENZENE, PETROLEUM OILS
    • water solubility = 2X10+4 mg/l @ 25 °C

  • Synonyms

    • Fenaminosulf
    • 140-56-7
    • DEXON
    • Phenaminosulf
    • Deksonal
    • Diazoben
    • Dexoxon
    • Lesan
    • Gold Orange MP
    • Sodium fenaminosulf
    • Dexon (pesticide)
    • DAPA (pesticide)
    • Dexon 70
    • Caswell No. 359B
    • Bayer 5072
    • Fenaminosulf [BSI:ISO]
    • Bayer 22555
    • Phenaminosulf [ISO-French]
    • CCRIS 309
    • HSDB 295
    • NCI-C03010
    • BAY 5072
    • EINECS 205-419-4
    • BAY 22555
    • p-(Dimethylamino)benzenediazosulfonate
    • p-(Dimethylamino)benzenediazosulphonate
    • EPA Pesticide Chemical Code 034201
    • 2VX11X81VX
    • 4-Dimethylaminobenzenediazosulfonic acid sodium salt
    • DTXSID6040371
    • p-Dimethylaminobenzenediazosulfonic acid, sodium salt
    • AI3-16841
    • p-Dimethylaminobenzenediazo sodium sulfonate
    • p-Dimethylaminobenzenediazosodium sulphonate
    • Sodium p-(dimethylamino)benzenediazosulfonate
    • Sodium p-(dimethylamino)benzenediazosulphonate
    • Sodium 4-(dimethylamino)benzenediazosulphonate
    • DEXON [HSDB]
    • FENAMINOSULF [ISO]
    • para-Dimethylaminoazobenzenediazo sodium sulfonate
    • Sodium (4-(dimethylamino)phenyl)diazenesulfonate
    • 4-Dimethylaminophenyl diazene sulfonate, sodium salt
    • N,N-Dimethyl-p-anilinediazosulfonic acid sodium salt
    • 4-Dimethylaminobenzenediazosulfonic acid, sodium salt
    • 4-Dimethylaminobenzenediazosulphonic acid, sodium salt
    • p-(Dimethylamino)-phenyldiazo-natriumsulfonat [German]
    • DTXCID50619
    • p-(Dimethylamino)benzenediazosulphonic acid, sodium salt
    • p-Dimethylaminobenzoldiazosulfonat (natriumsalz) [German]
    • (4-(Dimethylamino)phenyl)diazenesulfonic acid, sodium salt
    • 4-((Dimethylamino)phenyl)diazenesulphonic acid, sodium salt
    • p-(Dimethylamino)-phenyldiazo-natriumsulfonat
    • CHEBI:82078
    • p-Dimethylaminobenzoldiazosulfonat (natriumsalz)
    • sodium;N-[4-(dimethylamino)phenyl]iminosulfamate
    • BAY-22555
    • Benzenediazosulfonic acid, p-(dimethylamino)-, sodium salt
    • Sodium 4-Dimethylaminobenzenediazosulfonate
    • Diazenesulfonic acid, (4-(dimethylamino)phenyl)-, sodium salt
    • Phenaminosulf (ISO-French)
    • Sodium [4-(dimethylamino)phenyl]diazenesulfonate
    • SODIUM P-DIMETHYLAMINOBENZENEDIAZOSULPHONATE
    • sodium (E)-[4-(dimethylamino)phenyl]diazenesulfonate
    • SODIUM-P-(DIMETHYLAMINO)BENZENEDIAZOSULPHONATE
    • sodium (E)-2-(4-(dimethylamino)phenyl)diazene-1-sulfonate
    • Diazenesulfonic acid, [4-(dimethylamino)phenyl]-, sodium salt
    • NCGC00091080-03
    • UNII-2VX11X81VX
    • P-DIMETHYLAMINOBENZOLDIAZOSULFONAT (NATRIUMSALZ) (GERMAN)
    • p-Dimethylaminobenzene diazo sodium sulfonate
    • Sodium 4-(dimethylamino)benzenediazosulfonate
    • Dexon (fungacide)
    • Dexon (TN)
    • Sodium 4-dimethylaminophenyldiazosulfonate
    • Fenaminosulf, >=98%
    • Dexon, analytical standard
    • p-Dimethylaminoazobenzenediazo sodium sulphonate
    • Bayer 22 555
    • sodium N-[4-(dimethylamino)phenyl]iminosulfamate
    • SCHEMBL20450
    • CHEMBL1526736
    • CHEMBL2359592
    • IWDQPCIQCXRBQP-UHFFFAOYSA-M
    • p(Dimethylamino)benzenediazosulfonate
    • Tox21_400002
    • MFCD00059900
    • p(Dimethylamino)benzenediazosulphonate
    • AKOS015888306
    • 4-(Dimethylamino)phenyl)diazenesulfonate
    • NCGC00091080-01
    • NCGC00091080-02
    • p(Dimethylamino)phenyldiazonatriumsulfonat
    • CAS-140-56-7
    • pDimethylaminobenzenediazo sodium sulfonate
    • pDimethylaminobenzenediazosodium sulphonate
    • DB-042520
    • pDimethylaminobenzene diazo sodium sulfonate
    • Sodium 4(dimethylamino)benzenediazosulfonate
    • Sodium 4-dimethylaminobenzenediazosulphonate
    • Sodium p(dimethylamino)benzenediazosulfonate
    • Sodium p(dimethylamino)benzenediazosulphonate
    • D1394
    • NS00015274
    • Sodium 4(dimethylamino)benzenediazosulphonate
    • pDimethylaminobenzoldiazosulfonat (natriumsalz)
    • C18937
    • Sodium (4(dimethylamino)phenyl)diazenesulfonate
    • T70260
    • 4-Dimethylaminobenzendiasulfonic acid sodium salt
    • Fenaminosulf, PESTANAL(R), analytical standard
    • N,NDimethylpanilinediazosulfonic acid sodium salt
    • SODIUM P-DIMETHYLAMINOBENZENEDIAZOSULFONATE
    • 4-Dimethylaminophenyldiazosulfonic Acid Sodium Salt
    • 4Dimethylaminophenyl diazene sulfonate, sodium salt
    • A807662
    • 4Dimethylaminobenzenediazosulfonic acid, sodium salt
    • 4Dimethylaminobenzenediazosulphonic acid, sodium salt
    • pDimethylaminobenzenediazosulfonic acid, sodium salt
    • p(Dimethylamino)benzenediazosulphonic acid, sodium salt
    • Q22807545
    • (4(Dimethylamino)phenyl)diazenesulfonic acid, sodium salt
    • 4((Dimethylamino)phenyl)diazenesulphonic acid, sodium salt
    • 4-((dimethylamino)phenyl)diazene sulphonic acid, sodium salt
    • 205-419-4

  • Applications

    Fenaminosulf (CAS 140-56-7) is used mainly as an intermediate in the synthesis of specialty chemicals and may act as a solvent or co-solvent in manufacturing processes; it is commonly evaluated as a stabilizer or chelating agent in polymer and coating formulations; it is employed as an additive in cleaning and surface-treatment formulations; and it can serve as a processing aid or intermediate in plastics, elastomers, and related industrial systems, subject to local regulations and formulation limits.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 2.31
    methanol 3.5
    isopropanol 0.85
    water 0.05
    ethyl acetate 3.55
    n-propanol 0.98
    acetone 12.68
    n-butanol 0.59
    acetonitrile 9.77
    DMF 49.56
    toluene 0.5
    isobutanol 0.51
    1,4-dioxane 2.41
    methyl acetate 7.08
    THF 11.4
    2-butanone 6.9
    n-pentanol 0.58
    sec-butanol 0.63
    n-hexane 0.02
    ethylene glycol 2.76
    NMP 93.32
    cyclohexane 0.03
    DMSO 107.69
    n-butyl acetate 4.41
    n-octanol 0.36
    chloroform 4.23
    n-propyl acetate 3.13
    acetic acid 11.3
    dichloromethane 11.3
    cyclohexanone 5.97
    propylene glycol 2.72
    isopropyl acetate 2.15
    DMAc 64.35
    2-ethoxyethanol 7.74
    isopentanol 0.6
    n-heptane 0.05
    ethyl formate 4.94
    1,2-dichloroethane 6.91
    n-hexanol 1.03
    2-methoxyethanol 18.59
    isobutyl acetate 1.37
    tetrachloromethane 0.28
    n-pentyl acetate 2.09
    transcutol 20.69
    n-heptanol 0.67
    ethylbenzene 0.33
    MIBK 1.93
    2-propoxyethanol 11.29
    tert-butanol 1.29
    MTBE 0.61
    2-butoxyethanol 5.16
    propionic acid 3.93
    o-xylene 0.56
    formic acid 15.11
    diethyl ether 0.52
    m-xylene 0.56
    p-xylene 0.67
    chlorobenzene 1.68
    dimethyl carbonate 5.28
    n-octane 0.02
    formamide 44.42
    cyclopentanone 19.74
    2-pentanone 3.16
    anisole 2.48
    cyclopentyl methyl ether 1.63
    gamma-butyrolactone 36.82
    1-methoxy-2-propanol 9.69
    pyridine 7.95
    3-pentanone 2.47
    furfural 41.64
    n-dodecane 0.02
    diethylene glycol 15.07
    diisopropyl ether 0.21
    tert-amyl alcohol 0.96
    acetylacetone 13.35
    n-hexadecane 0.02
    acetophenone 6.85
    methyl propionate 5.28
    isopentyl acetate 3.61
    trichloroethylene 17.0
    n-nonanol 0.41
    cyclohexanol 0.45
    benzyl alcohol 3.38
    2-ethylhexanol 0.79
    isooctanol 0.6
    dipropyl ether 0.92
    1,2-dichlorobenzene 2.66
    ethyl lactate 4.81
    propylene carbonate 13.55
    n-methylformamide 24.16
    2-pentanol 0.35
    n-pentane 0.02
    1-propoxy-2-propanol 6.96
    1-methoxy-2-propyl acetate 10.27
    2-(2-methoxypropoxy) propanol 9.36
    mesitylene 0.38
    ε-caprolactone 7.36
    p-cymene 0.87
    epichlorohydrin 28.76
    1,1,1-trichloroethane 2.43
    2-aminoethanol 3.55
    morpholine-4-carbaldehyde 40.93
    sulfolane 77.5
    2,2,4-trimethylpentane 0.02
    2-methyltetrahydrofuran 3.57
    n-hexyl acetate 1.67
    isooctane 0.01
    2-(2-butoxyethoxy)ethanol 9.11
    sec-butyl acetate 1.53
    tert-butyl acetate 3.22
    decalin 0.03
    glycerin 8.39
    diglyme 17.23
    acrylic acid 6.75
    isopropyl myristate 0.84
    n-butyric acid 3.38
    acetyl acetate 4.34
    di(2-ethylhexyl) phthalate 2.56
    ethyl propionate 2.63
    nitromethane 52.61
    1,2-diethoxyethane 2.89
    benzonitrile 4.65
    trioctyl phosphate 1.25
    1-bromopropane 0.82
    gamma-valerolactone 34.51
    n-decanol 0.36
    triethyl phosphate 3.16
    4-methyl-2-pentanol 0.33
    propionitrile 2.98
    vinylene carbonate 10.31
    1,1,2-trichlorotrifluoroethane 32.03
    DMS 6.18
    cumene 0.35
    2-octanol 0.35
    2-hexanone 2.55
    octyl acetate 1.23
    limonene 0.88
    1,2-dimethoxyethane 9.28
    ethyl orthosilicate 2.29
    tributyl phosphate 1.79
    diacetone alcohol 9.19
    N,N-dimethylaniline 2.24
    acrylonitrile 9.38
    aniline 1.82
    1,3-propanediol 3.6
    bromobenzene 1.56
    dibromomethane 3.82
    1,1,2,2-tetrachloroethane 9.89
    2-methyl-cyclohexyl acetate 4.12
    tetrabutyl urea 3.49
    diisobutyl methanol 0.58
    2-phenylethanol 5.09
    styrene 0.5
    dioctyl adipate 2.63
    dimethyl sulfate 20.02
    ethyl butyrate 3.46
    methyl lactate 9.66
    butyl lactate 3.92
    diethyl carbonate 3.26
    propanediol butyl ether 4.31
    triethyl orthoformate 2.55
    p-tert-butyltoluene 0.84
    methyl 4-tert-butylbenzoate 7.3
    morpholine 4.11
    tert-butylamine 0.41
    n-dodecanol 0.28
    dimethoxymethane 10.28
    ethylene carbonate 5.5
    cyrene 19.26
    2-ethoxyethyl acetate 5.91
    2-ethylhexyl acetate 2.54
    1,2,4-trichlorobenzene 5.27
    4-methylpyridine 5.44
    dibutyl ether 0.38
    2,6-dimethyl-4-heptanol 0.58
    DEF 6.22
    dimethyl isosorbide 27.32
    tetrachloroethylene 4.34
    eugenol 9.15
    triacetin 6.83
    span 80 4.96
    1,4-butanediol 1.48
    1,1-dichloroethane 2.76
    2-methyl-1-pentanol 0.61
    methyl formate 18.08
    2-methyl-1-butanol 0.51
    n-decane 0.03
    butyronitrile 1.6
    3,7-dimethyl-1-octanol 0.54
    1-chlorooctane 0.18
    1-chlorotetradecane 0.11
    n-nonane 0.02
    undecane 0.02
    tert-butylcyclohexane 0.03
    cyclooctane 0.01
    cyclopentanol 1.34
    tetrahydropyran 0.83
    tert-amyl methyl ether 0.64
    2,5,8-trioxanonane 16.14
    1-hexene 0.09
    2-isopropoxyethanol 3.94
    2,2,2-trifluoroethanol 6.6
    methyl butyrate 4.09

    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