N,N-Diethyltrimethylenediamine

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  • Identifiers

    CAS number
    104-78-9

    Molecular formula
    C7H18N2

    SMILES
    CCN(CC)CCCN

    Safety labels

    Flammable
    Flammable

    Corrosive
    Corrosive

    Irritant
    Irritant

  • Odor profile

    Fragrance
    Fishy 89.46%
    Cheesy 72.72%
    Ripe 62.62%
    Animal 35.77%
    Odorless 27.72%
    Meaty 21.16%
    Savory 18.33%
    Pungent 17.07%
    Cooling 16.93%
    Oily 16.03%

     

    Flavor
    Fishy 29.9%
    Ammoniacal 27.54%
    Sulfurous 26.58%
    Meaty 22.64%
    Bloody 21.59%
    Skunky 21.4%
    Glue 21.37%
    Sulfury 21.25%
    Mild 21.15%
    Odorless 20.36%

     

    Odor impact est.
    High

  • Properties

    XLogP3-AA
    0.4

    pKa est.
    7.65 (neutral)

    Molecular weight
    130.23 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Very fast

    Boiling point est.
    171°C

    Flash point

    • 54.37 ˚C est.
    • 138 °F (NFPA, 2010)

  • Synonyms

    • 104-78-9
    • 3-Diethylaminopropylamine
    • 3-(Diethylamino)propylamine
    • N,N-Diethyl-1,3-propanediamine
    • 3-Aminopropyldiethylamine
    • 1,3-PROPANEDIAMINE, N,N-DIETHYL-
    • (3-Aminopropyl)Diethylamine
    • Diethylaminopropylamine
    • Diethylaminotrimethylenamine
    • N,N-Diethyl-1,3-diaminopropane
    • N,N-Diethyltrimethylenediamine
    • DEAPA
    • 1-(Diethylamino)propylamine-3
    • N,N-Diethylpropylenediamine
    • N-Diethyltrimethylenediamine
    • N-(3-Diethylaminopropyl)amine
    • N1,N1-Diethylpropane-1,3-diamine
    • 3-(Diethylamino)-1-propylamine
    • gamma-(Diethylamino)propylamine
    • 3-(N,N-Diethylamino)-1-propylamine
    • 1-Amino-3-(diethylamino)propane
    • .gamma.-(Diethylamino)propylamine
    • N,N-Diethylaminopropylamine
    • NSC 7776
    • CCRIS 6676
    • N,N-diethylpropane-1,3-diamine
    • JB92D3RAVH
    • 3-(diethylamino)propanamine
    • N',N'-diethylpropane-1,3-diamine
    • N1,N1-Diethyl-1,3-propanediamine
    • EINECS 203-236-4
    • UN2684
    • 3-Diethylamino-1-propylamine
    • 1,3-Propanediamine, N1,N1-diethyl-
    • BRN 0741879
    • AI3-25440
    • (3-Diethylaminopropan-1-yl)amine
    • NSC-7776
    • 3(diethylamino)propanamine
    • DTXSID7059303
    • 3-(N,N-diethylamino)propylamine
    • EC 203-236-4
    • N,N-diethyl-propane-1,3-diamine
    • n-(3-aminopropyl)-n,n-diethylamine
    • PROPANE,1-AMINO,3-DIETHYLAMINO
    • 3-(Diethylamino)propylamine, >=99%
    • UNII-JB92D3RAVH
    • MFCD00008218
    • N-(Diethylaminopropyl)amine
    • 3-Diethylamino-n-propylamine
    • N,N-(Diethylamino)propylamine
    • 3-(Diethylamino)-n-propylamine
    • Dietilaminopropilamina
    • 3Dietilaminopropilamina
    • 3diethylaminopropylamine
    • 3Aminopropyldiethylamine
    • 3Diethylamino1propylamine
    • Diethylamino3 propylamine
    • N,NDiethylaminopropylamine
    • N,NDiethylpropylenediamine
    • NDiethyltrimethylenediamine
    • 3(diethylamino)propylamine
    • 3-diethylamino-propylamine
    • N(Diethylaminopropyl)amine
    • 3-Diethylaminopropyl amine
    • 3(Diethylamino)Npropylamine
    • N(3Diethylaminopropyl)amine
    • 1(Diethylamino)propylamine3
    • 3(Diethylamino)1propylamine
    • 3-diethylamino-1propylamine
    • 3-diethylamino-propyl amine
    • N,NDiethyl1,3diaminopropane
    • N,NDiethyl1,3propanediamine
    • 1Amino3(diethylamino)propane
    • SCHEMBL34566
    • 3-(diethyl-amino)propanamine
    • 3-(diethylamino)-propylamine
    • gamma(Diethylamino)propylamine
    • (N,N-Diethylamino)propylamine
    • 3(N,NDiethylamino)propylamine
    • N,NDiethyl1,3propylenediamine
    • 3-diethylamino- 1-propylamine
    • 1,3Propanediamine, N,Ndiethyl
    • 3(N,NDiethylamino)1propylamine
    • DTXCID6032851
    • SCHEMBL11480864
    • NSC7776
    • N, N-diethly-1,3-propanediamine
    • n,n-diethyl-1,3-propylenediamine
    • 1,3Propanediamine, N1,N1diethyl
    • HMS1648D09
    • N, N-Diethyl-1,3-propanediamine
    • propane, 1-amino-3-diethylamino-
    • WLN: Z3N2 & 2
    • AAA10478
    • BBL009884
    • Diethylaminopropylamine (French DOT)
    • Dietilaminopropilamina (Spanish DOT)
    • STK917771
    • 3Dietilaminopropilamina (Spanish DOT)
    • AKOS000120257
    • AT31143
    • UN 2684
    • Diethylamino3 propylamine (French DOT)
    • VS-02235
    • N*1*,N*1*-Diethyl-propane-1,3-diamine
    • DB-059196
    • D0473
    • NS00002822
    • EN300-20373
    • Diethylaminopropylamine [UN2684] [Flammable liquid]
    • Q27281417
    • F2187-2237

  • Applications

    N,N-Diethyltrimethylenediamine (CAS 104-78-9) is primarily used as an organic synthesis intermediate and as a processing additive in specialty formulations. In industrial manufacturing it serves as a reactive intermediate and may function as a crosslinking agent or curing component for epoxy and polyurethane systems. In polymers and plastics it can act as a stabilizer or processing modifier to improve processing performance. In coatings and inks it is evaluated as a resin modifier or curing aid to enhance hardness and chemical resistance. In electronics and metal finishing it may serve as a chelating agent or corrosion-inhibitor additive. It can also function as a solvent or processing aid for certain formulations. All uses are subject to applicable regulations and formulation limits.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 250.15
    methanol 370.43
    isopropanol 133.11
    water 11.47
    ethyl acetate 64.1
    n-propanol 228.36
    acetone 63.12
    n-butanol 201.55
    acetonitrile 82.33
    DMF 110.15
    toluene 31.62
    isobutanol 139.96
    1,4-dioxane 174.5
    methyl acetate 65.51
    THF 259.18
    2-butanone 65.14
    n-pentanol 96.12
    sec-butanol 131.35
    n-hexane 13.1
    ethylene glycol 122.33
    NMP 225.64
    cyclohexane 44.25
    DMSO 213.85
    n-butyl acetate 110.76
    n-octanol 46.81
    chloroform 381.98
    n-propyl acetate 45.18
    acetic acid 390.11
    dichloromethane 325.24
    cyclohexanone 186.41
    propylene glycol 144.47
    isopropyl acetate 30.78
    DMAc 87.9
    2-ethoxyethanol 118.59
    isopentanol 100.18
    n-heptane 32.88
    ethyl formate 103.88
    1,2-dichloroethane 126.72
    n-hexanol 160.88
    2-methoxyethanol 239.65
    isobutyl acetate 31.96
    tetrachloromethane 126.86
    n-pentyl acetate 45.31
    transcutol 182.95
    n-heptanol 67.79
    ethylbenzene 13.21
    MIBK 20.75
    2-propoxyethanol 201.0
    tert-butanol 113.32
    MTBE 50.02
    2-butoxyethanol 108.59
    propionic acid 240.83
    o-xylene 26.75
    formic acid 181.15
    diethyl ether 55.12
    m-xylene 18.19
    p-xylene 20.56
    chlorobenzene 75.32
    dimethyl carbonate 17.29
    n-octane 8.29
    formamide 118.4
    cyclopentanone 200.04
    2-pentanone 42.08
    anisole 30.03
    cyclopentyl methyl ether 95.78
    gamma-butyrolactone 282.24
    1-methoxy-2-propanol 120.64
    pyridine 148.26
    3-pentanone 40.34
    furfural 259.92
    n-dodecane 5.49
    diethylene glycol 176.8
    diisopropyl ether 12.95
    tert-amyl alcohol 109.69
    acetylacetone 40.16
    n-hexadecane 5.97
    acetophenone 37.92
    methyl propionate 53.16
    isopentyl acetate 77.06
    trichloroethylene 227.76
    n-nonanol 39.74
    cyclohexanol 172.73
    benzyl alcohol 57.62
    2-ethylhexanol 93.09
    isooctanol 48.19
    dipropyl ether 75.59
    1,2-dichlorobenzene 77.28
    ethyl lactate 45.2
    propylene carbonate 164.14
    n-methylformamide 127.48
    2-pentanol 73.45
    n-pentane 20.57
    1-propoxy-2-propanol 143.29
    1-methoxy-2-propyl acetate 69.65
    2-(2-methoxypropoxy) propanol 61.01
    mesitylene 12.45
    ε-caprolactone 176.25
    p-cymene 29.33
    epichlorohydrin 184.79
    1,1,1-trichloroethane 129.05
    2-aminoethanol 203.24
    morpholine-4-carbaldehyde 176.93
    sulfolane 320.7
    2,2,4-trimethylpentane 12.56
    2-methyltetrahydrofuran 187.3
    n-hexyl acetate 52.6
    isooctane 5.25
    2-(2-butoxyethoxy)ethanol 84.18
    sec-butyl acetate 25.21
    tert-butyl acetate 29.07
    decalin 12.47
    glycerin 194.54
    diglyme 151.51
    acrylic acid 211.7
    isopropyl myristate 22.18
    n-butyric acid 280.29
    acetyl acetate 51.89
    di(2-ethylhexyl) phthalate 40.26
    ethyl propionate 34.27
    nitromethane 198.37
    1,2-diethoxyethane 64.57
    benzonitrile 73.79
    trioctyl phosphate 31.49
    1-bromopropane 94.91
    gamma-valerolactone 226.86
    n-decanol 29.36
    triethyl phosphate 46.29
    4-methyl-2-pentanol 29.5
    propionitrile 98.18
    vinylene carbonate 149.62
    1,1,2-trichlorotrifluoroethane 255.49
    DMS 36.98
    cumene 13.91
    2-octanol 33.55
    2-hexanone 35.41
    octyl acetate 32.4
    limonene 53.2
    1,2-dimethoxyethane 105.29
    ethyl orthosilicate 46.49
    tributyl phosphate 38.16
    diacetone alcohol 48.11
    N,N-dimethylaniline 23.52
    acrylonitrile 107.91
    aniline 84.08
    1,3-propanediol 215.13
    bromobenzene 66.02
    dibromomethane 210.38
    1,1,2,2-tetrachloroethane 212.1
    2-methyl-cyclohexyl acetate 65.19
    tetrabutyl urea 42.35
    diisobutyl methanol 37.43
    2-phenylethanol 73.36
    styrene 18.03
    dioctyl adipate 40.31
    dimethyl sulfate 38.29
    ethyl butyrate 70.87
    methyl lactate 54.77
    butyl lactate 61.97
    diethyl carbonate 46.61
    propanediol butyl ether 85.7
    triethyl orthoformate 64.65
    p-tert-butyltoluene 27.74
    methyl 4-tert-butylbenzoate 48.13
    morpholine 222.18
    tert-butylamine 76.91
    n-dodecanol 23.2
    dimethoxymethane 49.3
    ethylene carbonate 122.65
    cyrene 79.86
    2-ethoxyethyl acetate 52.02
    2-ethylhexyl acetate 67.65
    1,2,4-trichlorobenzene 97.28
    4-methylpyridine 99.07
    dibutyl ether 42.66
    2,6-dimethyl-4-heptanol 37.43
    DEF 72.83
    dimethyl isosorbide 113.72
    tetrachloroethylene 183.92
    eugenol 57.84
    triacetin 54.46
    span 80 87.01
    1,4-butanediol 85.61
    1,1-dichloroethane 118.1
    2-methyl-1-pentanol 64.48
    methyl formate 89.24
    2-methyl-1-butanol 119.35
    n-decane 9.06
    butyronitrile 104.55
    3,7-dimethyl-1-octanol 42.44
    1-chlorooctane 28.05
    1-chlorotetradecane 11.82
    n-nonane 9.22
    undecane 6.72
    tert-butylcyclohexane 10.92
    cyclooctane 11.86
    cyclopentanol 223.53
    tetrahydropyran 184.57
    tert-amyl methyl ether 46.22
    2,5,8-trioxanonane 100.37
    1-hexene 29.37
    2-isopropoxyethanol 69.78
    2,2,2-trifluoroethanol 122.49
    methyl butyrate 53.77

    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