Furan-2,5-dicarbaldehyde

Overview IFRA Botanical Request a quote

  • Identifiers

    CAS number
    823-82-5

    Molecular formula
    C6H4O3

    SMILES
    C1=C(OC(=C1)C=O)C=O

    Safety labels

    Irritant
    Irritant

    Retention indicies (RI)

    • Carbowax: 1882.0

  • Odor profile

    Fragrance
    Caramellic 78.05%
    Sweet 76.82%
    Spicy 56.19%
    Nutty 54.85%
    Burnt 47.71%
    Almond 46.58%
    Woody 40.81%
    Herbal 39.42%
    Buttery 38.0%
    Cinnamon 37.12%

     

    Flavor
    Almond 47.97%
    Sweet 38.29%
    Caramel 38.14%
    Bread 32.69%
    Woody 31.03%
    Baked 26.68%
    Fragrant 26.23%
    Sulfur 25.82%
    Cardboard 25.6%
    Waxy 25.52%

     

    Odor impact est.
    High

  • Properties

    XLogP3-AA
    0.6

    pKa est.
    5.57 (weak acid)

    Molecular weight
    124.09 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Very slow

    Boiling point est.
    270°C

    Flash point

    • 80.1 ˚C est.

  • Synonyms

    • Furan-2,5-dicarbaldehyde
    • 823-82-5
    • 2,5-Diformylfuran
    • 2,5-Furandicarboxaldehyde
    • 2,5-Furandicarbaldehyde
    • 5-Formylfurfural
    • furan-2,5-dicarboxaldehyde
    • furan-2,5-dialdehyde
    • UNII-L4HT8N2Z72
    • MFCD00671517
    • EINECS 212-520-7
    • L4HT8N2Z72
    • CHEBI:83385
    • DTXSID60231676
    • 163857-09-8
    • 2,5-FURANDICARBOXALDEHYDE [MI]
    • 2,5-Furandicarboxaldehyde, radical ion(1-) (9CI)
    • C6H4O3
    • 2,5-diformylfurane
    • Furan-2,5-dial
    • NSC618088
    • 2,5-Furandicarbaldehyde #
    • SCHEMBL51391
    • YSWG163
    • DTXCID90154167
    • 2,5-Furandicarboxaldehyde, 97%
    • BCP14987
    • CS-M0775
    • AKOS015855726
    • NSC-618088
    • SB60899
    • DS-15261
    • FD147677
    • SY047865
    • DB-005874
    • D2408
    • NS00041992
    • C20899
    • Q16736622

  • Applications

    Furan-2,5-dicarbaldehyde is primarily used as a building block in the synthesis of bio-based monomers, notably enabling routes to 2,5-furandicarboxylic acid (FDCA) for making furan-based polyesters such as PEF. It also serves as a versatile platform for constructing furan-based polymers, including resins and polyurethanes, leveraging the two aldehyde groups to participate in condensation and crosslinking reactions. In coatings and adhesives, it can function as a reactive aldehyde crosslinker, forming imine bonds with amines to enhance cure and network durability. In the fragrance and flavor arena, it is studied as a fragrance precursor or precursor to furan-derived odorants, subject to regulatory constraints. Additionally, it acts as a building block for the synthesis of specialty furan derivatives and related organic compounds in fine chemicals.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 46.89
    methanol 151.29
    isopropanol 22.54
    water 9.5
    ethyl acetate 81.36
    n-propanol 28.67
    acetone 212.89
    n-butanol 20.49
    acetonitrile 159.37
    DMF 595.5
    toluene 33.11
    isobutanol 18.22
    1,4-dioxane 148.48
    methyl acetate 151.35
    THF 174.68
    2-butanone 111.2
    n-pentanol 21.69
    sec-butanol 18.47
    n-hexane 2.95
    ethylene glycol 73.7
    NMP 497.46
    cyclohexane 6.21
    DMSO 753.98
    n-butyl acetate 43.91
    n-octanol 23.97
    chloroform 67.61
    n-propyl acetate 53.86
    acetic acid 106.99
    dichloromethane 134.1
    cyclohexanone 100.2
    propylene glycol 26.95
    isopropyl acetate 44.3
    DMAc 482.71
    2-ethoxyethanol 107.72
    isopentanol 21.98
    n-heptane 5.98
    ethyl formate 72.03
    1,2-dichloroethane 116.25
    n-hexanol 22.98
    2-methoxyethanol 182.56
    isobutyl acetate 29.25
    tetrachloromethane 13.48
    n-pentyl acetate 30.38
    transcutol 346.17
    n-heptanol 15.12
    ethylbenzene 19.69
    MIBK 46.01
    2-propoxyethanol 75.31
    tert-butanol 37.72
    MTBE 44.56
    2-butoxyethanol 43.95
    propionic acid 66.85
    o-xylene 34.97
    formic acid 154.08
    diethyl ether 50.6
    m-xylene 25.75
    p-xylene 28.15
    chlorobenzene 47.57
    dimethyl carbonate 93.23
    n-octane 3.13
    formamide 326.32
    cyclopentanone 177.07
    2-pentanone 68.78
    anisole 69.32
    cyclopentyl methyl ether 66.36
    gamma-butyrolactone 234.04
    1-methoxy-2-propanol 92.09
    pyridine 128.88
    3-pentanone 72.7
    furfural 237.78
    n-dodecane 3.88
    diethylene glycol 113.9
    diisopropyl ether 17.09
    tert-amyl alcohol 31.58
    acetylacetone 124.97
    n-hexadecane 4.45
    acetophenone 76.64
    methyl propionate 99.21
    isopentyl acetate 39.68
    trichloroethylene 165.75
    n-nonanol 22.39
    cyclohexanol 27.13
    benzyl alcohol 50.47
    2-ethylhexanol 20.78
    isooctanol 14.18
    dipropyl ether 30.85
    1,2-dichlorobenzene 52.48
    ethyl lactate 43.21
    propylene carbonate 97.63
    n-methylformamide 279.55
    2-pentanol 14.33
    n-pentane 3.14
    1-propoxy-2-propanol 51.95
    1-methoxy-2-propyl acetate 64.57
    2-(2-methoxypropoxy) propanol 83.05
    mesitylene 19.64
    ε-caprolactone 89.82
    p-cymene 20.07
    epichlorohydrin 190.17
    1,1,1-trichloroethane 58.43
    2-aminoethanol 58.58
    morpholine-4-carbaldehyde 358.2
    sulfolane 328.54
    2,2,4-trimethylpentane 3.43
    2-methyltetrahydrofuran 91.01
    n-hexyl acetate 47.17
    isooctane 2.5
    2-(2-butoxyethoxy)ethanol 92.97
    sec-butyl acetate 34.42
    tert-butyl acetate 52.18
    decalin 5.55
    glycerin 75.01
    diglyme 205.92
    acrylic acid 100.81
    isopropyl myristate 26.01
    n-butyric acid 45.89
    acetyl acetate 61.45
    di(2-ethylhexyl) phthalate 25.35
    ethyl propionate 53.05
    nitromethane 411.53
    1,2-diethoxyethane 77.83
    benzonitrile 67.44
    trioctyl phosphate 18.9
    1-bromopropane 35.03
    gamma-valerolactone 203.25
    n-decanol 18.48
    triethyl phosphate 34.5
    4-methyl-2-pentanol 13.29
    propionitrile 75.38
    vinylene carbonate 94.13
    1,1,2-trichlorotrifluoroethane 146.4
    DMS 81.53
    cumene 15.97
    2-octanol 12.27
    2-hexanone 49.35
    octyl acetate 31.19
    limonene 26.79
    1,2-dimethoxyethane 175.57
    ethyl orthosilicate 28.93
    tributyl phosphate 24.87
    diacetone alcohol 68.42
    N,N-dimethylaniline 58.55
    acrylonitrile 134.27
    aniline 47.03
    1,3-propanediol 56.04
    bromobenzene 45.69
    dibromomethane 67.21
    1,1,2,2-tetrachloroethane 107.84
    2-methyl-cyclohexyl acetate 38.57
    tetrabutyl urea 41.16
    diisobutyl methanol 16.9
    2-phenylethanol 40.25
    styrene 27.7
    dioctyl adipate 41.63
    dimethyl sulfate 206.17
    ethyl butyrate 42.1
    methyl lactate 74.73
    butyl lactate 31.33
    diethyl carbonate 38.11
    propanediol butyl ether 54.52
    triethyl orthoformate 36.05
    p-tert-butyltoluene 18.74
    methyl 4-tert-butylbenzoate 62.84
    morpholine 137.5
    tert-butylamine 21.85
    n-dodecanol 15.43
    dimethoxymethane 203.39
    ethylene carbonate 68.03
    cyrene 87.15
    2-ethoxyethyl acetate 57.45
    2-ethylhexyl acetate 32.82
    1,2,4-trichlorobenzene 65.25
    4-methylpyridine 104.1
    dibutyl ether 32.11
    2,6-dimethyl-4-heptanol 16.9
    DEF 141.86
    dimethyl isosorbide 132.62
    tetrachloroethylene 79.04
    eugenol 61.85
    triacetin 81.07
    span 80 46.2
    1,4-butanediol 33.4
    1,1-dichloroethane 65.81
    2-methyl-1-pentanol 20.97
    methyl formate 228.24
    2-methyl-1-butanol 18.83
    n-decane 5.63
    butyronitrile 45.23
    3,7-dimethyl-1-octanol 25.22
    1-chlorooctane 18.07
    1-chlorotetradecane 9.9
    n-nonane 5.14
    undecane 4.65
    tert-butylcyclohexane 4.55
    cyclooctane 3.35
    cyclopentanol 35.61
    tetrahydropyran 64.93
    tert-amyl methyl ether 39.15
    2,5,8-trioxanonane 160.36
    1-hexene 10.38
    2-isopropoxyethanol 62.25
    2,2,2-trifluoroethanol 78.37
    methyl butyrate 65.98

    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

Botanical

Name CAS Botanical Proportion
Pineapple pulp Ananas comosus (L.) Merr., fam. Bromeliaceae 0.07%