Triethyl phosphate

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  • Identifiers

    CAS number
    78-40-0

    Molecular formula
    C6H15O4P

    SMILES
    CCOP(=O)(OCC)OCC

    Safety labels

    Irritant
    Irritant

  • Odor profile

    Fresh 41.7%
    Fruity 39.22%
    Ethereal 38.71%
    Odorless 37.83%
    Winey 25.88%
    Apple 25.57%
    Sweet 24.55%
    Green 24.45%
    Alcoholic 23.83%
    Herbal 20.68%

    Scent© AI

  • Properties

    XLogP3-AA
    0.8

    Molecular weight
    182.15 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Moderate

    Melting point expt.

    • -69.5 °F (NTP, 1992)
    • -56.4 °C
    • -57 °C

    Boiling point

    • 419 to 421 °F at 760 mmHg ; 217 °F at 25 mmHg (NTP, 1992)
    • 215.5 °C
    • 215 °C

    Flash point est.
    91.99 ˚C

    Flash point expt.

    • 240 °F (NTP, 1992)
    • 240 °F (115 °C) (Open cup)
    • 116 °C o.c.

    Solubility expt.

    • Soluble, slight decomposition (NTP, 1992)
    • Soluble in diethyl ether, benzene; very soluble in ethanol; slightly soluble in chloroform
    • Soluble in most organic solvents, alcohol, ether.
    • In water, 5.00X10+5 mg/L at 25 °C
    • Solubility in water: miscible

  • Synonyms

    • TRIETHYL PHOSPHATE
    • 78-40-0
    • Triethylphosphate
    • Phosphoric acid, triethyl ester
    • Tris(ethyl) phosphate
    • Triethoxyphosphine oxide
    • Triethylfosfat
    • TEP
    • Ethyl phosphate ((EtO)3PO)
    • Phosphoric Acid Triethyl Ester
    • Triethylfosfat [Czech]
    • o-Phosphoric acid triethyl ester
    • NSC 2677
    • CCRIS 4882
    • HSDB 2561
    • UNII-QIH4K96K7J
    • EINECS 201-114-5
    • QIH4K96K7J
    • BRN 1705772
    • DTXSID8026228
    • CHEBI:45927
    • AI3-00653
    • NSC-2677
    • (C2H5O)3PO
    • DTXCID806228
    • TRIETHYL PHOSPHATE [MI]
    • TRIETHYL PHOSPHATE [HSDB]
    • EC 201-114-5
    • 4-01-00-01339 (Beilstein Handbook Reference)
    • TRIETHYL PHOSPHATE [WHO-DD]
    • MFCD00009077
    • CAS-78-40-0
    • Triethyl phosphate,C6H15O4P,78-40-0
    • C6H15O4P
    • LEVAGARD TEP
    • Triethyl phosphate, 99%
    • ETHYL ACID PHOSPHATE
    • SCHEMBL21887
    • MLS002152947
    • WLN: 2OPO&O2&O2
    • CHEMBL1236251
    • NSC2677
    • TRIETHYL PHOSPHATE [INCI]
    • HMS3039O10
    • MSK28207
    • Tox21_202463
    • Tox21_303106
    • AKOS000120082
    • CS-W017130
    • DB03347
    • SB66379
    • Triethyl phosphate, analytical standard
    • NCGC00091606-01
    • NCGC00091606-02
    • NCGC00091606-03
    • NCGC00256988-01
    • NCGC00260012-01
    • BP-30153
    • BP-31112
    • SMR001224539
    • MSK28207-1000
    • NS00009400
    • P0270
    • EN300-19166
    • Triethyl phosphate, ReagentPlus(R), >=99.8%
    • 1ST28207-1000
    • Q410382
    • Triethyl phosphate, Vetec(TM) reagent grade, 98%
    • Triethyl phosphate Solution in Acetone, 1000?g/mL
    • Triethyl phosphate Solution in Acetone, 1000mug/mL
    • F0001-2052
    • Z104473010
    • 201-114-5

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 517.56
    methanol 814.58
    isopropanol 468.08
    water 12.72
    ethyl acetate 321.32
    n-propanol 472.01
    acetone 560.37
    n-butanol 355.87
    acetonitrile 494.91
    DMF 1336.99
    toluene 284.31
    isobutanol 325.73
    1,4-dioxane 796.16
    methyl acetate 438.83
    THF 835.49
    2-butanone 483.55
    n-pentanol 313.27
    sec-butanol 499.2
    n-hexane 103.65
    ethylene glycol 219.26
    NMP 1344.05
    cyclohexane 238.31
    DMSO 1110.76
    n-butyl acetate 264.99
    n-octanol 309.37
    chloroform 2694.17
    n-propyl acetate 273.89
    acetic acid 693.87
    dichloromethane 2167.65
    cyclohexanone 867.74
    propylene glycol 293.33
    isopropyl acetate 209.98
    DMAc 1002.31
    2-ethoxyethanol 407.36
    isopentanol 235.58
    n-heptane 78.37
    ethyl formate 393.7
    1,2-dichloroethane 1116.45
    n-hexanol 264.67
    2-methoxyethanol 659.39
    isobutyl acetate 175.39
    tetrachloromethane 411.56
    n-pentyl acetate 360.11
    transcutol 460.85
    n-heptanol 229.27
    ethylbenzene 198.59
    MIBK 184.61
    2-propoxyethanol 397.17
    tert-butanol 432.37
    MTBE 309.81
    2-butoxyethanol 312.23
    propionic acid 548.37
    o-xylene 226.83
    formic acid 327.24
    diethyl ether 345.83
    m-xylene 159.62
    p-xylene 270.33
    chlorobenzene 597.96
    dimethyl carbonate 209.16
    n-octane 63.71
    formamide 478.62
    cyclopentanone 902.13
    2-pentanone 325.36
    anisole 309.12
    cyclopentyl methyl ether 401.64
    gamma-butyrolactone 1062.49
    1-methoxy-2-propanol 481.35
    pyridine 896.92
    3-pentanone 332.81
    furfural 1074.52
    n-dodecane 58.49
    diethylene glycol 311.68
    diisopropyl ether 114.2
    tert-amyl alcohol 439.31
    acetylacetone 352.04
    n-hexadecane 65.47
    acetophenone 352.88
    methyl propionate 341.39
    isopentyl acetate 227.94
    trichloroethylene 1967.94
    n-nonanol 263.41
    cyclohexanol 516.47
    benzyl alcohol 364.49
    2-ethylhexanol 181.55
    isooctanol 183.01
    dipropyl ether 190.04
    1,2-dichlorobenzene 636.86
    ethyl lactate 200.6
    propylene carbonate 562.75
    n-methylformamide 724.77
    2-pentanol 265.28
    n-pentane 108.59
    1-propoxy-2-propanol 293.03
    1-methoxy-2-propyl acetate 225.47
    2-(2-methoxypropoxy) propanol 247.28
    mesitylene 122.99
    ε-caprolactone 743.63
    p-cymene 132.36
    epichlorohydrin 963.59
    1,1,1-trichloroethane 918.71
    2-aminoethanol 349.53
    morpholine-4-carbaldehyde 954.73
    sulfolane 1405.24
    2,2,4-trimethylpentane 61.61
    2-methyltetrahydrofuran 648.13
    n-hexyl acetate 446.9
    isooctane 33.03
    2-(2-butoxyethoxy)ethanol 303.12
    sec-butyl acetate 176.37
    tert-butyl acetate 210.36
    decalin 93.22
    glycerin 362.88
    diglyme 535.59
    acrylic acid 572.14
    isopropyl myristate 179.08
    n-butyric acid 471.96
    acetyl acetate 242.89
    di(2-ethylhexyl) phthalate 192.68
    ethyl propionate 236.47
    nitromethane 967.28
    1,2-diethoxyethane 260.35
    benzonitrile 534.33
    trioctyl phosphate 161.48
    1-bromopropane 604.45
    gamma-valerolactone 1144.42
    n-decanol 192.44
    triethyl phosphate 163.9
    4-methyl-2-pentanol 133.08
    propionitrile 469.49
    vinylene carbonate 656.4
    1,1,2-trichlorotrifluoroethane 925.23
    DMS 283.75
    cumene 141.04
    2-octanol 239.84
    2-hexanone 292.46
    octyl acetate 239.01
    limonene 188.85
    1,2-dimethoxyethane 608.49
    ethyl orthosilicate 154.83
    tributyl phosphate 174.1
    diacetone alcohol 242.59
    N,N-dimethylaniline 265.62
    acrylonitrile 639.63
    aniline 387.36
    1,3-propanediol 381.15
    bromobenzene 632.61
    dibromomethane 1463.81
    1,1,2,2-tetrachloroethane 1792.37
    2-methyl-cyclohexyl acetate 225.12
    tetrabutyl urea 246.84
    diisobutyl methanol 116.41
    2-phenylethanol 285.7
    styrene 255.09
    dioctyl adipate 230.79
    dimethyl sulfate 389.93
    ethyl butyrate 206.75
    methyl lactate 256.62
    butyl lactate 277.61
    diethyl carbonate 169.87
    propanediol butyl ether 330.12
    triethyl orthoformate 189.26
    p-tert-butyltoluene 132.07
    methyl 4-tert-butylbenzoate 341.08
    morpholine 879.74
    tert-butylamine 300.86
    n-dodecanol 150.47
    dimethoxymethane 509.14
    ethylene carbonate 523.29
    cyrene 330.5
    2-ethoxyethyl acetate 330.57
    2-ethylhexyl acetate 213.74
    1,2,4-trichlorobenzene 763.9
    4-methylpyridine 740.54
    dibutyl ether 241.93
    2,6-dimethyl-4-heptanol 116.41
    DEF 515.54
    dimethyl isosorbide 384.6
    tetrachloroethylene 1082.35
    eugenol 337.67
    triacetin 349.65
    span 80 310.27
    1,4-butanediol 225.37
    1,1-dichloroethane 987.44
    2-methyl-1-pentanol 239.51
    methyl formate 532.23
    2-methyl-1-butanol 284.91
    n-decane 93.82
    butyronitrile 411.83
    3,7-dimethyl-1-octanol 215.22
    1-chlorooctane 266.93
    1-chlorotetradecane 117.93
    n-nonane 93.71
    undecane 71.51
    tert-butylcyclohexane 71.33
    cyclooctane 82.13
    cyclopentanol 590.44
    tetrahydropyran 692.65
    tert-amyl methyl ether 280.63
    2,5,8-trioxanonane 364.38
    1-hexene 208.81
    2-isopropoxyethanol 260.17
    2,2,2-trifluoroethanol 307.87
    methyl butyrate 328.44

    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