Biuret

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  • Identifiers

    CAS number
    108-19-0

    Molecular formula
    C2H5N3O2

    SMILES
    C(=O)(N)NC(=O)N

    Safety labels

    Irritant
    Irritant

  • Odor profile

    Odorless 66.97%
    Savory 27.72%
    Meaty 23.13%
    Fishy 21.57%
    Pungent 20.06%
    Cheesy 19.22%
    Cooked 18.87%
    Cooling 16.6%
    Sweet 16.39%
    Sulfurous 15.49%

    Scent© AI

  • Properties

    XLogP3-AA
    -0.7

    Molecular weight
    103.08 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Ultra slow

    Boiling point est.
    378°C

    Melting point expt.

    • 190 °C, DECOMP

    Flash point est.
    196.02 ˚C

    Solubility expt.

    • SOL IN 100 G WATER: 2.01 G @ 25 °C, 7 G @ 50 °C, 20 G @ 75 °C, 53.5 G @ 105.5 °C; FREELY SOL IN ALCOHOL; VERY SLIGHTLY SOL IN ETHER

  • Synonyms

    • Biuret
    • 108-19-0
    • Carbamoylurea
    • Allophanamide
    • IMIDODICARBONIC DIAMIDE
    • Carbamylurea
    • Dicarbonimidic diamide
    • Ureidoformamide
    • Allophanic acid amide
    • Allophanimidic acid
    • Dicarbamylamine
    • Isobiuret
    • Urea, (aminocarbonyl)-
    • Caswell No. 106A
    • (aminocarbonyl)urea
    • NSC 8020
    • MFCD00007946
    • HSDB 5382
    • 2-imidodicarbonic diamide
    • EINECS 203-559-0
    • EPA Pesticide Chemical Code 206200
    • UNII-89LJ369D1H
    • DTXSID2026783
    • CHEBI:18138
    • AI3-14905
    • L-101
    • NSC-8020
    • BIURET [MI]
    • DTXCID606783
    • 89LJ369D1H
    • IMIDODICARBONIC DIAMIDE [HSDB]
    • Isobiuret (VAN)
    • Caswell No. 159A
    • Biuret (contains ca. 10% Triuret)
    • Allophanimidic acid (VAN)
    • 1-(carbamoylamino)formamide
    • CAS-108-19-0
    • Biuret reagent
    • C5J
    • Urea, (aminocarbonyl)
    • Biuret, 97%
    • Dicarbonimidic diamide #
    • bmse000470
    • SCHEMBL15045
    • SCHEMBL8045576
    • CHEMBL1889026
    • Biuret, for synthesis, 97.0%
    • NSC8020
    • Allophanic acid amide;Carbamoylurea
    • Tox21_202163
    • Tox21_303191
    • BBL012096
    • STK068927
    • AKOS000491582
    • I(1/4)-imido-dicarbonic acid diamide
    • CS-W016643
    • FB37555
    • Biuret, Vetec(TM) reagent grade, 98%
    • NCGC00091696-01
    • NCGC00091696-02
    • NCGC00257088-01
    • NCGC00259712-01
    • DS-12122
    • SY010569
    • B0513
    • B3228
    • NS00019421
    • Biuret (Carbamylurea; Imidodicarbonic diamide)
    • C06555
    • D78197
    • EN300-352284
    • Q414902
    • Z57206006

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 10.92
    methanol 22.93
    isopropanol 6.64
    water 69.77
    ethyl acetate 4.88
    n-propanol 6.36
    acetone 13.66
    n-butanol 3.6
    acetonitrile 6.86
    DMF 124.25
    toluene 0.33
    isobutanol 3.95
    1,4-dioxane 10.64
    methyl acetate 10.13
    THF 16.0
    2-butanone 6.91
    n-pentanol 2.49
    sec-butanol 3.77
    n-hexane 0.17
    ethylene glycol 30.53
    NMP 50.93
    cyclohexane 0.09
    DMSO 69.81
    n-butyl acetate 3.19
    n-octanol 1.36
    chloroform 0.63
    n-propyl acetate 4.0
    acetic acid 28.32
    dichloromethane 0.9
    cyclohexanone 4.26
    propylene glycol 24.48
    isopropyl acetate 3.04
    DMAc 82.73
    2-ethoxyethanol 18.42
    isopentanol 2.39
    n-heptane 0.15
    ethyl formate 9.54
    1,2-dichloroethane 0.84
    n-hexanol 1.69
    2-methoxyethanol 44.35
    isobutyl acetate 2.34
    tetrachloromethane 0.25
    n-pentyl acetate 2.22
    transcutol 18.6
    n-heptanol 1.38
    ethylbenzene 0.15
    MIBK 2.64
    2-propoxyethanol 16.83
    tert-butanol 5.46
    MTBE 2.3
    2-butoxyethanol 8.58
    propionic acid 14.8
    o-xylene 0.34
    formic acid 53.11
    diethyl ether 2.7
    m-xylene 0.35
    p-xylene 0.25
    chlorobenzene 0.25
    dimethyl carbonate 14.75
    n-octane 0.07
    formamide 52.26
    cyclopentanone 10.67
    2-pentanone 4.44
    anisole 1.12
    cyclopentyl methyl ether 3.42
    gamma-butyrolactone 22.37
    1-methoxy-2-propanol 28.57
    pyridine 2.85
    3-pentanone 3.47
    furfural 18.88
    n-dodecane 0.06
    diethylene glycol 28.62
    diisopropyl ether 0.68
    tert-amyl alcohol 3.52
    acetylacetone 8.23
    n-hexadecane 0.07
    acetophenone 1.88
    methyl propionate 9.09
    isopentyl acetate 2.17
    trichloroethylene 1.16
    n-nonanol 1.28
    cyclohexanol 1.69
    benzyl alcohol 1.72
    2-ethylhexanol 0.88
    isooctanol 1.07
    dipropyl ether 2.04
    1,2-dichlorobenzene 0.27
    ethyl lactate 8.96
    propylene carbonate 11.94
    n-methylformamide 46.53
    2-pentanol 1.96
    n-pentane 0.17
    1-propoxy-2-propanol 10.15
    1-methoxy-2-propyl acetate 7.39
    2-(2-methoxypropoxy) propanol 9.44
    mesitylene 0.26
    ε-caprolactone 6.4
    p-cymene 0.24
    epichlorohydrin 9.15
    1,1,1-trichloroethane 0.5
    2-aminoethanol 24.9
    morpholine-4-carbaldehyde 50.41
    sulfolane 32.0
    2,2,4-trimethylpentane 0.09
    2-methyltetrahydrofuran 4.89
    n-hexyl acetate 2.61
    isooctane 0.06
    2-(2-butoxyethoxy)ethanol 10.02
    sec-butyl acetate 1.97
    tert-butyl acetate 3.13
    decalin 0.06
    glycerin 54.46
    diglyme 19.61
    acrylic acid 20.85
    isopropyl myristate 0.97
    n-butyric acid 8.01
    acetyl acetate 3.98
    di(2-ethylhexyl) phthalate 2.3
    ethyl propionate 4.16
    nitromethane 50.95
    1,2-diethoxyethane 3.35
    benzonitrile 1.23
    trioctyl phosphate 1.67
    1-bromopropane 0.45
    gamma-valerolactone 27.48
    n-decanol 0.96
    triethyl phosphate 2.37
    4-methyl-2-pentanol 1.16
    propionitrile 3.59
    vinylene carbonate 9.6
    1,1,2-trichlorotrifluoroethane 17.29
    DMS 5.24
    cumene 0.17
    2-octanol 0.88
    2-hexanone 3.05
    octyl acetate 1.64
    limonene 0.36
    1,2-dimethoxyethane 21.65
    ethyl orthosilicate 1.88
    tributyl phosphate 2.04
    diacetone alcohol 7.85
    N,N-dimethylaniline 1.2
    acrylonitrile 6.28
    aniline 1.35
    1,3-propanediol 17.79
    bromobenzene 0.14
    dibromomethane 0.51
    1,1,2,2-tetrachloroethane 1.16
    2-methyl-cyclohexyl acetate 1.96
    tetrabutyl urea 3.15
    diisobutyl methanol 0.65
    2-phenylethanol 1.58
    styrene 0.17
    dioctyl adipate 2.36
    dimethyl sulfate 29.96
    ethyl butyrate 2.95
    methyl lactate 22.13
    butyl lactate 5.29
    diethyl carbonate 2.67
    propanediol butyl ether 10.79
    triethyl orthoformate 2.83
    p-tert-butyltoluene 0.27
    methyl 4-tert-butylbenzoate 4.62
    morpholine 14.6
    tert-butylamine 1.91
    n-dodecanol 0.73
    dimethoxymethane 32.48
    ethylene carbonate 7.74
    cyrene 13.3
    2-ethoxyethyl acetate 4.79
    2-ethylhexyl acetate 1.57
    1,2,4-trichlorobenzene 0.44
    4-methylpyridine 2.44
    dibutyl ether 0.99
    2,6-dimethyl-4-heptanol 0.65
    DEF 10.82
    dimethyl isosorbide 11.96
    tetrachloroethylene 0.82
    eugenol 6.1
    triacetin 5.74
    span 80 6.56
    1,4-butanediol 8.33
    1,1-dichloroethane 0.66
    2-methyl-1-pentanol 1.58
    methyl formate 38.52
    2-methyl-1-butanol 2.6
    n-decane 0.1
    butyronitrile 2.76
    3,7-dimethyl-1-octanol 0.99
    1-chlorooctane 0.27
    1-chlorotetradecane 0.15
    n-nonane 0.09
    undecane 0.08
    tert-butylcyclohexane 0.08
    cyclooctane 0.05
    cyclopentanol 4.34
    tetrahydropyran 2.78
    tert-amyl methyl ether 2.09
    2,5,8-trioxanonane 14.37
    1-hexene 0.4
    2-isopropoxyethanol 9.65
    2,2,2-trifluoroethanol 24.8
    methyl butyrate 5.3

    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