Citroflex A-4

  • Identifiers

    Molecular formula
    C20H34O8

    SMILES
    CCCCOC(=O)CC(C(C(=O)C)C(=O)OCCCC)(C(=O)OCCCC)O

  • Odor profile

    Fragrance
    Fruity 71.91%
    Herbal 56.36%
    Winey 54.92%
    Sweet 43.73%
    Oily 36.95%
    Floral 34.41%
    Caramellic 30.93%
    Apple 28.47%
    Fatty 26.8%
    Buttery 24.45%

     

    Flavor
    Fruity 48.7%
    Bitter 38.1%
    Odorless 35.05%
    Mild 33.54%
    Bland 27.83%
    Wine 25.3%
    Fatty 23.42%
    Waxy 23.34%
    Sweet-like 22.76%
    Very mild 22.01%

     

    Odor impact est.
    Low

  • Properties

    XLogP3-AA
    2.7

    pKa est.
    4.74 (weak acid)

    Molecular weight
    402.5 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Ultra slow

    Boiling point est.
    423°C

    Flash point

    • 156.51 ˚C est.

  • Synonyms

    • Citroflex A-4
    • tributyl 2-hydroxy-4-oxopentane-1,2,3-tricarboxylate
    • SCHEMBL119061
    • CHEMBL1718009
    • CHEBI:170062
    • AKOS024438112
    • 1,2,3-tributyl 1-acetyl-2-hydroxypropane-1,2,3-tricarboxylate
  • Applications

    Citroflex A-4 is used as a plasticizer for PVC and other polymers, improving the flexibility of films and coatings; it also serves as a solvent and processing aid in coatings, inks, and adhesives; in cosmetics and personal care it acts as a solvent and plasticizer; it can be used as a solvent for flavors and fragrances; and it functions as a pharmaceutical excipient to plasticize film coatings, with potential use in biopolymer packaging.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 751.23
    methanol 1334.16
    isopropanol 528.03
    water 6.67
    ethyl acetate 1111.91
    n-propanol 667.3
    acetone 1757.38
    n-butanol 486.16
    acetonitrile 868.97
    DMF 6391.71
    toluene 609.67
    isobutanol 516.25
    1,4-dioxane 1106.78
    methyl acetate 1336.88
    THF 2654.99
    2-butanone 1263.6
    n-pentanol 344.31
    sec-butanol 548.98
    n-hexane 36.4
    ethylene glycol 355.94
    NMP 11033.06
    cyclohexane 68.89
    DMSO 5162.6
    n-butyl acetate 542.89
    n-octanol 131.71
    chloroform 2926.19
    n-propyl acetate 588.51
    acetic acid 3436.12
    dichloromethane 3223.18
    cyclohexanone 2535.24
    propylene glycol 527.07
    isopropyl acetate 707.12
    DMAc 6795.38
    2-ethoxyethanol 887.76
    isopentanol 406.32
    n-heptane 14.97
    ethyl formate 817.41
    1,2-dichloroethane 2364.91
    n-hexanol 240.9
    2-methoxyethanol 1703.75
    isobutyl acetate 329.98
    tetrachloromethane 419.1
    n-pentyl acetate 437.17
    transcutol 1777.78
    n-heptanol 138.95
    ethylbenzene 283.55
    MIBK 538.09
    2-propoxyethanol 795.77
    tert-butanol 577.44
    MTBE 414.29
    2-butoxyethanol 487.68
    propionic acid 1601.91
    o-xylene 464.92
    formic acid 1981.84
    diethyl ether 383.63
    m-xylene 359.84
    p-xylene 355.02
    chlorobenzene 1023.98
    dimethyl carbonate 1262.67
    n-octane 7.78
    formamide 2888.45
    cyclopentanone 3643.42
    2-pentanone 990.96
    anisole 607.88
    cyclopentyl methyl ether 1331.11
    gamma-butyrolactone 5699.37
    1-methoxy-2-propanol 1354.81
    pyridine 1846.07
    3-pentanone 974.64
    furfural 3935.34
    n-dodecane 6.62
    diethylene glycol 670.82
    diisopropyl ether 116.33
    tert-amyl alcohol 610.26
    acetylacetone 1734.8
    n-hexadecane 7.66
    acetophenone 1064.53
    methyl propionate 1620.59
    isopentyl acetate 507.68
    trichloroethylene 5182.15
    n-nonanol 128.29
    cyclohexanol 798.46
    benzyl alcohol 665.47
    2-ethylhexanol 159.67
    isooctanol 116.3
    dipropyl ether 200.83
    1,2-dichlorobenzene 1120.95
    ethyl lactate 511.15
    propylene carbonate 2766.44
    n-methylformamide 2979.31
    2-pentanol 339.65
    n-pentane 35.39
    1-propoxy-2-propanol 511.01
    1-methoxy-2-propyl acetate 838.31
    2-(2-methoxypropoxy) propanol 585.96
    mesitylene 179.77
    ε-caprolactone 2641.33
    p-cymene 129.98
    epichlorohydrin 4012.56
    1,1,1-trichloroethane 1928.71
    2-aminoethanol 700.16
    morpholine-4-carbaldehyde 4702.31
    sulfolane 8229.96
    2,2,4-trimethylpentane 29.1
    2-methyltetrahydrofuran 1662.23
    n-hexyl acetate 524.45
    isooctane 12.59
    2-(2-butoxyethoxy)ethanol 695.38
    sec-butyl acetate 422.93
    tert-butyl acetate 716.06
    decalin 54.36
    glycerin 996.39
    diglyme 1271.86
    acrylic acid 1902.9
    isopropyl myristate 159.99
    n-butyric acid 1608.36
    acetyl acetate 1062.46
    di(2-ethylhexyl) phthalate 265.44
    ethyl propionate 679.84
    nitromethane 5447.59
    1,2-diethoxyethane 436.0
    benzonitrile 737.38
    trioctyl phosphate 161.3
    1-bromopropane 806.93
    gamma-valerolactone 5167.16
    n-decanol 87.36
    triethyl phosphate 324.32
    4-methyl-2-pentanol 181.0
    propionitrile 605.21
    vinylene carbonate 2517.43
    1,1,2-trichlorotrifluoroethane 3975.34
    DMS 913.44
    cumene 183.0
    2-octanol 91.25
    2-hexanone 528.11
    octyl acetate 245.6
    limonene 230.14
    1,2-dimethoxyethane 1137.65
    ethyl orthosilicate 272.67
    tributyl phosphate 239.88
    diacetone alcohol 991.01
    N,N-dimethylaniline 573.59
    acrylonitrile 1124.19
    aniline 1006.7
    1,3-propanediol 791.89
    bromobenzene 1002.4
    dibromomethane 1774.79
    1,1,2,2-tetrachloroethane 4000.61
    2-methyl-cyclohexyl acetate 475.4
    tetrabutyl urea 376.76
    diisobutyl methanol 86.5
    2-phenylethanol 434.92
    styrene 368.13
    dioctyl adipate 337.96
    dimethyl sulfate 3246.74
    ethyl butyrate 460.06
    methyl lactate 1246.05
    butyl lactate 462.85
    diethyl carbonate 354.62
    propanediol butyl ether 472.83
    triethyl orthoformate 316.41
    p-tert-butyltoluene 118.76
    methyl 4-tert-butylbenzoate 771.18
    morpholine 1863.52
    tert-butylamine 302.82
    n-dodecanol 62.6
    dimethoxymethane 1884.14
    ethylene carbonate 1837.69
    cyrene 1122.91
    2-ethoxyethyl acetate 736.94
    2-ethylhexyl acetate 400.12
    1,2,4-trichlorobenzene 1611.49
    4-methylpyridine 2031.55
    dibutyl ether 149.55
    2,6-dimethyl-4-heptanol 86.5
    DEF 2187.53
    dimethyl isosorbide 1284.98
    tetrachloroethylene 2401.73
    eugenol 589.5
    triacetin 863.94
    span 80 491.39
    1,4-butanediol 317.19
    1,1-dichloroethane 1747.87
    2-methyl-1-pentanol 340.4
    methyl formate 2225.74
    2-methyl-1-butanol 489.77
    n-decane 11.66
    butyronitrile 475.61
    3,7-dimethyl-1-octanol 149.52
    1-chlorooctane 91.78
    1-chlorotetradecane 35.14
    n-nonane 10.3
    undecane 8.43
    tert-butylcyclohexane 34.73
    cyclooctane 20.38
    cyclopentanol 1099.34
    tetrahydropyran 1038.74
    tert-amyl methyl ether 487.8
    2,5,8-trioxanonane 864.88
    1-hexene 149.63
    2-isopropoxyethanol 554.71
    2,2,2-trifluoroethanol 1785.88
    methyl butyrate 930.42

    Scent© AI

1 of 4
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