1,2,3-Oxathiazin-4(3H)-one, 6-methyl-, 2,2-dioxide, potassium salt

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  • Identifiers

    Molecular formula
    C4H4KNO4S

    SMILES
    CC1=CC(=NS(=O)(=O)O1)[O-].[K+]

  • Odor profile

    Fragrance
    Odorless 77.23%
    Roasted 23.37%
    Burnt 20.71%
    Cooked 19.21%
    Nutty 18.53%
    Savory 17.34%
    Sulfurous 15.65%
    Meaty 14.28%
    Pungent 13.17%
    Popcorn 13.06%

     

    Flavor
    Bitter 45.28%
    Nutty 27.66%
    Taco 21.33%
    Odorless 20.19%
    Roasted peanuts 20.09%
    Bread crust 20.08%
    Nitrile 19.89%
    Cotton candy 19.41%
    Shrimp 19.39%
    Seedy 19.19%

     

    Odor impact est.
    High

  • Properties

    pKa est.
    4.95 (weak acid)

    Molecular weight
    201.24 g/mol

    Flash point

    • 107.13 ˚C est.

  • Synonyms

    • Potassium acesulfame
    • Acesulfam-K
    • Acesulfame potassium salt
    • 23OV73Q5G9
    • Otizon
    • Sunett d
    • Acesulfame-potassium
    • Potassium acesulfamate
    • Acesulfame potassium [NF]
    • INS NO.950
    • INS-950
    • Potassium 6-methyl-1,2,3-oxathiazin-4(3H)-one 2,2-dioxide
    • 1,2,3-Oxathiazin-4(3H)-one, 6-methyl-, 2,2-dioxide, potassium salt
    • NSC-760104
    • E 950
    • E-950
    • Hoe 095
    • CCRIS 1032
    • Acesulfam K
    • EINECS 259-715-3
    • H733293
    • UNII-23OV73Q5G9
    • SCHEMBL17454392
    • ACESULFAME POTASSIUM [II]
    • ACESULFAME POTASSIUM [FCC]
    • 6-Methyl-1,2,3-oxathiazin-4(3H)-one 2,2-dioxide, potassium salt
    • ACESULFAME POTASSIUM [MART.]
    • ACESULFAME POTASSIUM [USP-RS]
    • ACESULFAME POTASSIUM [WHO-DD]
    • ACESULFAME POTASSIUM SALT [MI]
    • NSC 760104
    • ACESULFAME POTASSIUM [EP MONOGRAPH]
    • NS00100137
    • EC 259-715-3
    • Q132037
    • 3,4-dihydro-6-methyl-1,2,3-oxathiazine-4-one-2,2-dioxide potassium salt
    • 6-METHYL-1,2,3-OXATHIAZINE-4(3H)-ONE-2,2-DIOXIDE POTASSIUM SALT
    • 1,2,3-OXATHIAZIN-4(3H)-ONE, 6-METHYL-, 2,2-DIOXIDE, POTASSIUM SALT (1:1)

  • Applications

    1,2,3-Oxathiazin-4(3H)-one, 6-methyl-, 2,2-dioxide, potassium salt is primarily encountered as a chemical intermediate in organic synthesis, providing a heterocyclic lactam–sulfone framework that can be elaborated into more complex sulfur-containing building blocks. In industrial manufacturing it is used as a starting material or precursor for specialty polymers and crosslinking agents, and may act as a processing aid or stabilizer in polymer formulations. In coatings and inks and in adhesives, it can serve as a reactive intermediate for functionalized products. The compound can also function as a ligand or precursor in organometallic catalysis. Its use is subject to local regulations and formulation limits.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 3.41
    methanol 4.84
    isopropanol 1.87
    water 0.61
    ethyl acetate 12.05
    n-propanol 1.79
    acetone 26.77
    n-butanol 2.19
    acetonitrile 13.07
    DMF 97.25
    toluene 2.63
    isobutanol 1.23
    1,4-dioxane 9.08
    methyl acetate 13.47
    THF 32.46
    2-butanone 13.7
    n-pentanol 1.44
    sec-butanol 1.57
    n-hexane 0.11
    ethylene glycol 3.11
    NMP 160.33
    cyclohexane 0.13
    DMSO 126.43
    n-butyl acetate 7.47
    n-octanol 1.35
    chloroform 5.15
    n-propyl acetate 7.59
    acetic acid 9.83
    dichloromethane 8.47
    cyclohexanone 20.56
    propylene glycol 3.28
    isopropyl acetate 7.18
    DMAc 83.2
    2-ethoxyethanol 9.12
    isopentanol 1.83
    n-heptane 0.16
    ethyl formate 15.09
    1,2-dichloroethane 7.25
    n-hexanol 1.68
    2-methoxyethanol 27.05
    isobutyl acetate 3.25
    tetrachloromethane 0.46
    n-pentyl acetate 4.32
    transcutol 24.45
    n-heptanol 1.1
    ethylbenzene 1.52
    MIBK 7.53
    2-propoxyethanol 13.74
    tert-butanol 2.2
    MTBE 1.59
    2-butoxyethanol 5.8
    propionic acid 5.09
    o-xylene 2.14
    formic acid 10.6
    diethyl ether 2.62
    m-xylene 2.38
    p-xylene 1.82
    chlorobenzene 4.9
    dimethyl carbonate 16.91
    n-octane 0.08
    formamide 28.77
    cyclopentanone 44.48
    2-pentanone 14.27
    anisole 8.74
    cyclopentyl methyl ether 8.0
    gamma-butyrolactone 66.15
    1-methoxy-2-propanol 20.14
    pyridine 14.74
    3-pentanone 8.88
    furfural 96.99
    n-dodecane 0.13
    diethylene glycol 16.53
    diisopropyl ether 0.8
    tert-amyl alcohol 1.89
    acetylacetone 39.03
    n-hexadecane 0.15
    acetophenone 14.98
    methyl propionate 14.87
    isopentyl acetate 5.58
    trichloroethylene 18.79
    n-nonanol 1.42
    cyclohexanol 2.18
    benzyl alcohol 6.31
    2-ethylhexanol 1.5
    isooctanol 0.93
    dipropyl ether 2.56
    1,2-dichlorobenzene 6.17
    ethyl lactate 9.79
    propylene carbonate 35.16
    n-methylformamide 31.09
    2-pentanol 1.45
    n-pentane 0.11
    1-propoxy-2-propanol 9.34
    1-methoxy-2-propyl acetate 16.33
    2-(2-methoxypropoxy) propanol 14.85
    mesitylene 1.41
    ε-caprolactone 20.42
    p-cymene 1.45
    epichlorohydrin 41.74
    1,1,1-trichloroethane 4.13
    2-aminoethanol 3.61
    morpholine-4-carbaldehyde 80.86
    sulfolane 118.6
    2,2,4-trimethylpentane 0.08
    2-methyltetrahydrofuran 11.24
    n-hexyl acetate 5.26
    isooctane 0.07
    2-(2-butoxyethoxy)ethanol 13.3
    sec-butyl acetate 4.17
    tert-butyl acetate 8.6
    decalin 0.19
    glycerin 10.83
    diglyme 24.12
    acrylic acid 8.49
    isopropyl myristate 2.92
    n-butyric acid 7.59
    acetyl acetate 12.88
    di(2-ethylhexyl) phthalate 4.86
    ethyl propionate 9.25
    nitromethane 71.84
    1,2-diethoxyethane 5.65
    benzonitrile 10.33
    trioctyl phosphate 2.97
    1-bromopropane 2.24
    gamma-valerolactone 70.89
    n-decanol 1.22
    triethyl phosphate 6.24
    4-methyl-2-pentanol 1.1
    propionitrile 5.2
    vinylene carbonate 32.12
    1,1,2-trichlorotrifluoroethane 34.15
    DMS 11.72
    cumene 1.12
    2-octanol 0.88
    2-hexanone 7.99
    octyl acetate 3.98
    limonene 1.92
    1,2-dimethoxyethane 24.89
    ethyl orthosilicate 4.27
    tributyl phosphate 4.64
    diacetone alcohol 16.15
    N,N-dimethylaniline 6.61
    acrylonitrile 12.98
    aniline 6.06
    1,3-propanediol 6.15
    bromobenzene 4.06
    dibromomethane 3.92
    1,1,2,2-tetrachloroethane 11.45
    2-methyl-cyclohexyl acetate 6.89
    tetrabutyl urea 8.71
    diisobutyl methanol 1.12
    2-phenylethanol 5.88
    styrene 2.03
    dioctyl adipate 6.48
    dimethyl sulfate 52.31
    ethyl butyrate 8.24
    methyl lactate 20.37
    butyl lactate 6.69
    diethyl carbonate 6.75
    propanediol butyl ether 6.66
    triethyl orthoformate 5.54
    p-tert-butyltoluene 1.35
    methyl 4-tert-butylbenzoate 10.83
    morpholine 11.5
    tert-butylamine 0.94
    n-dodecanol 1.0
    dimethoxymethane 30.57
    ethylene carbonate 18.81
    cyrene 25.34
    2-ethoxyethyl acetate 8.57
    2-ethylhexyl acetate 4.31
    1,2,4-trichlorobenzene 8.82
    4-methylpyridine 18.06
    dibutyl ether 1.97
    2,6-dimethyl-4-heptanol 1.12
    DEF 23.61
    dimethyl isosorbide 37.1
    tetrachloroethylene 5.2
    eugenol 14.29
    triacetin 11.34
    span 80 8.78
    1,4-butanediol 1.94
    1,1-dichloroethane 3.98
    2-methyl-1-pentanol 1.4
    methyl formate 35.32
    2-methyl-1-butanol 1.58
    n-decane 0.15
    butyronitrile 6.07
    3,7-dimethyl-1-octanol 1.43
    1-chlorooctane 0.82
    1-chlorotetradecane 0.53
    n-nonane 0.12
    undecane 0.14
    tert-butylcyclohexane 0.15
    cyclooctane 0.08
    cyclopentanol 3.9
    tetrahydropyran 3.99
    tert-amyl methyl ether 2.33
    2,5,8-trioxanonane 25.55
    1-hexene 0.6
    2-isopropoxyethanol 5.06
    2,2,2-trifluoroethanol 7.97
    methyl butyrate 13.24

    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