5-Methoxyfuran-2-carbaldehyde

Overview IFRA Request a quote

  • Identifiers

    CAS number
    21300-07-2

    Molecular formula
    C6H6O3

    SMILES
    COC1=CC=C(O1)C=O

    Safety labels

    Irritant
    Irritant

  • Odor profile

    Fragrance
    Sweet 77.9%
    Fruity 67.3%
    Caramellic 63.91%
    Spicy 51.06%
    Nutty 43.43%
    Almond 40.24%
    Vanilla 37.75%
    Burnt 35.57%
    Herbal 34.92%
    Cherry 32.2%

     

    Flavor
    Sweet 77.35%
    Caramel 59.59%
    Almond 46.31%
    Creamy 43.6%
    Woody 43.47%
    Vanilla 34.1%
    Spice 32.57%
    Bread 30.72%
    Fruity 30.4%
    Balsam 29.64%

     

    Odor impact est.
    Medium

  • Properties

    XLogP3-AA
    1.1

    pKa est.
    5.67 (weak acid)

    Molecular weight
    126.11 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Moderately slow

    Boiling point est.
    230°C

    Flash point

    • 63.78 ˚C est.

  • Synonyms

    • 5-methoxyfuran-2-carbaldehyde
    • RefChem:536727
    • 848-102-1
    • 21300-07-2
    • 5-Methoxyfuraldehyde
    • 2-Furancarboxaldehyde, 5-methoxy-
    • 5-methoxyfurfural
    • 5-methoxy-furan-2-carbaldehyde
    • SCHEMBL54493
    • 5-Methoxy-2-furancarboxaldehyde
    • DTXSID00274481
    • WAA30007
    • AKOS017669778
    • AT17092
    • EBC-618190
    • DB-185900
    • EN300-384360
    • Z1309664827
    • 21300-07-2

  • Applications

    5-Methoxyfuran-2-carbaldehyde (CAS 21300-07-2) is commonly used as an intermediate in fragrance and flavor chemistry, providing a building block for the synthesis of aromatic compounds employed in perfumery and flavor formulations; in cosmetics and personal care, it can act as a fragrance ingredient or precursor for aroma-related components; in industrial manufacturing it serves as a starting material for the preparation of specialized furan-derived intermediates used in coatings and inks; it may also be used as a reactive aldehyde in routes to specialty polymers or resin systems.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 179.16
    methanol 334.52
    isopropanol 129.14
    water 20.19
    ethyl acetate 305.5
    n-propanol 120.2
    acetone 739.88
    n-butanol 95.65
    acetonitrile 686.44
    DMF 842.91
    toluene 114.65
    isobutanol 99.42
    1,4-dioxane 480.66
    methyl acetate 482.76
    THF 655.79
    2-butanone 380.5
    n-pentanol 83.13
    sec-butanol 111.87
    n-hexane 10.42
    ethylene glycol 111.12
    NMP 866.65
    cyclohexane 19.87
    DMSO 1418.23
    n-butyl acetate 122.16
    n-octanol 52.1
    chloroform 438.91
    n-propyl acetate 197.78
    acetic acid 388.34
    dichloromethane 820.07
    cyclohexanone 334.08
    propylene glycol 64.66
    isopropyl acetate 156.96
    DMAc 902.99
    2-ethoxyethanol 291.61
    isopentanol 102.09
    n-heptane 12.9
    ethyl formate 246.64
    1,2-dichloroethane 491.07
    n-hexanol 58.57
    2-methoxyethanol 431.59
    isobutyl acetate 105.74
    tetrachloromethane 78.48
    n-pentyl acetate 75.87
    transcutol 399.87
    n-heptanol 38.11
    ethylbenzene 73.24
    MIBK 146.94
    2-propoxyethanol 160.15
    tert-butanol 245.61
    MTBE 228.38
    2-butoxyethanol 95.95
    propionic acid 204.23
    o-xylene 100.2
    formic acid 289.8
    diethyl ether 195.16
    m-xylene 84.97
    p-xylene 115.04
    chlorobenzene 177.05
    dimethyl carbonate 215.71
    n-octane 7.15
    formamide 649.6
    cyclopentanone 591.34
    2-pentanone 231.49
    anisole 243.8
    cyclopentyl methyl ether 235.12
    gamma-butyrolactone 744.62
    1-methoxy-2-propanol 230.8
    pyridine 418.43
    3-pentanone 208.33
    furfural 648.79
    n-dodecane 8.28
    diethylene glycol 179.12
    diisopropyl ether 64.9
    tert-amyl alcohol 191.03
    acetylacetone 378.11
    n-hexadecane 9.38
    acetophenone 234.06
    methyl propionate 286.91
    isopentyl acetate 108.86
    trichloroethylene 823.48
    n-nonanol 46.0
    cyclohexanol 109.48
    benzyl alcohol 149.25
    2-ethylhexanol 51.25
    isooctanol 36.82
    dipropyl ether 76.1
    1,2-dichlorobenzene 174.35
    ethyl lactate 98.03
    propylene carbonate 298.22
    n-methylformamide 504.59
    2-pentanol 72.99
    n-pentane 11.63
    1-propoxy-2-propanol 99.47
    1-methoxy-2-propyl acetate 138.8
    2-(2-methoxypropoxy) propanol 138.29
    mesitylene 59.29
    ε-caprolactone 289.64
    p-cymene 46.67
    epichlorohydrin 841.8
    1,1,1-trichloroethane 328.41
    2-aminoethanol 132.98
    morpholine-4-carbaldehyde 649.31
    sulfolane 860.77
    2,2,4-trimethylpentane 14.17
    2-methyltetrahydrofuran 410.69
    n-hexyl acetate 108.89
    isooctane 8.83
    2-(2-butoxyethoxy)ethanol 144.01
    sec-butyl acetate 116.33
    tert-butyl acetate 185.75
    decalin 17.27
    glycerin 134.82
    diglyme 351.28
    acrylic acid 228.95
    isopropyl myristate 53.68
    n-butyric acid 173.98
    acetyl acetate 232.41
    di(2-ethylhexyl) phthalate 54.03
    ethyl propionate 171.48
    nitromethane 1320.36
    1,2-diethoxyethane 156.14
    benzonitrile 224.35
    trioctyl phosphate 38.4
    1-bromopropane 156.3
    gamma-valerolactone 616.69
    n-decanol 37.02
    triethyl phosphate 79.59
    4-methyl-2-pentanol 53.09
    propionitrile 292.22
    vinylene carbonate 271.0
    1,1,2-trichlorotrifluoroethane 380.47
    DMS 173.57
    cumene 54.38
    2-octanol 33.38
    2-hexanone 163.58
    octyl acetate 64.35
    limonene 61.73
    1,2-dimethoxyethane 493.16
    ethyl orthosilicate 68.55
    tributyl phosphate 50.87
    diacetone alcohol 196.07
    N,N-dimethylaniline 162.47
    acrylonitrile 446.15
    aniline 158.24
    1,3-propanediol 166.19
    bromobenzene 187.33
    dibromomethane 380.37
    1,1,2,2-tetrachloroethane 439.76
    2-methyl-cyclohexyl acetate 96.29
    tetrabutyl urea 75.14
    diisobutyl methanol 41.03
    2-phenylethanol 100.17
    styrene 101.61
    dioctyl adipate 86.24
    dimethyl sulfate 427.22
    ethyl butyrate 126.83
    methyl lactate 140.67
    butyl lactate 60.54
    diethyl carbonate 106.39
    propanediol butyl ether 86.68
    triethyl orthoformate 87.72
    p-tert-butyltoluene 44.95
    methyl 4-tert-butylbenzoate 137.28
    morpholine 461.42
    tert-butylamine 134.36
    n-dodecanol 31.06
    dimethoxymethane 454.61
    ethylene carbonate 213.2
    cyrene 190.28
    2-ethoxyethyl acetate 125.87
    2-ethylhexyl acetate 89.47
    1,2,4-trichlorobenzene 211.6
    4-methylpyridine 359.05
    dibutyl ether 71.01
    2,6-dimethyl-4-heptanol 41.03
    DEF 354.12
    dimethyl isosorbide 254.75
    tetrachloroethylene 296.64
    eugenol 124.41
    triacetin 157.7
    span 80 84.3
    1,4-butanediol 84.99
    1,1-dichloroethane 374.55
    2-methyl-1-pentanol 93.05
    methyl formate 490.11
    2-methyl-1-butanol 98.18
    n-decane 11.57
    butyronitrile 192.61
    3,7-dimethyl-1-octanol 59.55
    1-chlorooctane 41.55
    1-chlorotetradecane 22.0
    n-nonane 10.98
    undecane 9.53
    tert-butylcyclohexane 16.49
    cyclooctane 8.78
    cyclopentanol 154.94
    tetrahydropyran 267.54
    tert-amyl methyl ether 172.73
    2,5,8-trioxanonane 244.44
    1-hexene 41.5
    2-isopropoxyethanol 183.23
    2,2,2-trifluoroethanol 239.75
    methyl butyrate 235.14

    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