Triphenyl phosphite

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  • Identifiers

    CAS number
    101-02-0

    Molecular formula
    C18H15O3P

    SMILES
    C1=CC=C(C=C1)OP(OC2=CC=CC=C2)OC3=CC=CC=C3

    Safety labels

    Irritant
    Irritant

    Environmental Hazard
    Environmental

  • Odor profile

    Floral 69.75%
    Green 68.76%
    Rose 61.84%
    Balsamic 48.65%
    Metallic 47.41%
    Geranium 40.74%
    Fruity 35.37%
    Leafy 33.53%
    Hyacinth 28.19%
    Sweet 28.12%

    Scent© AI

  • Properties

    XLogP3-AA
    5.5

    Molecular weight
    310.3 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Ultra slow

    Melting point expt.

    • 72 to 75 °F (NTP, 1992)
    • 25 °C
    • 22-25 °C

    Boiling point

    • 680 °F at 760 mmHg (NTP, 1992)
    • 360 °C

    Flash point est.
    201.95 ˚C

    Flash point expt.

    • 425 °F (NTP, 1992)
    • 425 °F (218 °C) (OPEN CUP)
    • 218 °C o.c.

    Solubility expt.

    • less than 0.1 mg/mL at 68 °F (NTP, 1992)
    • Insoluble in water. Very soluble in ethanol, organic solvents.
    • Solubility in water: none

  • Synonyms

    • TRIPHENYL PHOSPHITE
    • 101-02-0
    • Phosphorous acid, triphenyl ester
    • Advance TPP
    • Triphenoxyphosphine
    • Phenyl phosphite
    • Sumilizer TPP-R
    • Trifenoxyfosfin
    • Trifenylfosfit
    • Stabilizer P 36
    • Phosclere T 36
    • Mellite 310
    • Tris(phenoxy)phosphine
    • P 36 (stabilizer)
    • Sumilizer TTP-R
    • Weston TPP
    • TPP (plasticizer)
    • ADK Stab TPP
    • EFED
    • TP 1 (plasticizer)
    • Phosphorous Acid Triphenyl Ester
    • Trifenylfosfit [Czech]
    • triphenylphosphite
    • Trifenoxyfosfin [Czech]
    • Doverphos 10
    • JP 360
    • NSC 43789
    • CCRIS 4890
    • DTXSID0026252
    • HSDB 2571
    • Phenyl phosphite ((C6H5O)3P)
    • P 36
    • EINECS 202-908-4
    • BRN 1079456
    • 9P45GRD24X
    • AI3-07866
    • ANTIOXIDANT TPPI
    • NSC-43789
    • NSC-62219
    • Phenyl phosphite, (PhO)3P
    • DTXCID306252
    • EC 202-908-4
    • TRIPHENYL PHOSPHITE [HSDB]
    • WLN: ROPOR & OR
    • TRIFENYLFOSFIT (CZECH)
    • TRIFENOXYFOSFIN (CZECH)
    • TPP (VAN)
    • 202-908-4
    • CAS-101-02-0
    • Triphenyl Phosphite (TPPi)
    • UNII-9P45GRD24X
    • Sumilizer TPPR
    • Sumilizer TTPR
    • Lankromark LE65
    • triphelyn phosphite
    • Weston EGTPP
    • Doverphos 10-HR
    • MFCD00003032
    • MARK TPP
    • TPP-R
    • Phenyl phosphite ((C6H5O)3P) (6CI,7CI)
    • (PhO)3P
    • P(OPh)3
    • Triphenyl phosphite, 97%
    • NCIOpen2_007800
    • SCHEMBL13289
    • CHEMBL1875503
    • P(OC6H5)3
    • AAA10102
    • NSC43789
    • NSC62219
    • Tox21_202034
    • Tox21_300002
    • AKOS015902569
    • NCGC00091577-01
    • NCGC00091577-02
    • NCGC00091577-03
    • NCGC00091577-04
    • NCGC00254028-01
    • NCGC00259583-01
    • BP-21353
    • NS00009404
    • T0510
    • EN300-19163
    • F86961
    • Triphenyl phosphite, purum, >=97.0% (HPLC)
    • Q222290
    • doi:10.14272/HVLLSGMXQDNUAL-UHFFFAOYSA-N.1
    • F0001-0051

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 41.43
    methanol 28.93
    isopropanol 28.64
    water 0.07
    ethyl acetate 238.11
    n-propanol 39.52
    acetone 353.67
    n-butanol 36.28
    acetonitrile 130.56
    DMF 945.83
    toluene 149.61
    isobutanol 27.8
    1,4-dioxane 323.75
    methyl acetate 237.31
    THF 1220.17
    2-butanone 292.04
    n-pentanol 25.13
    sec-butanol 34.47
    n-hexane 14.34
    ethylene glycol 4.81
    NMP 830.23
    cyclohexane 48.95
    DMSO 628.68
    n-butyl acetate 152.32
    n-octanol 23.14
    chloroform 1216.44
    n-propyl acetate 114.25
    acetic acid 116.0
    dichloromethane 1282.44
    cyclohexanone 550.13
    propylene glycol 9.63
    isopropyl acetate 128.39
    DMAc 894.93
    2-ethoxyethanol 45.27
    isopentanol 33.22
    n-heptane 17.29
    ethyl formate 138.63
    1,2-dichloroethane 853.38
    n-hexanol 33.74
    2-methoxyethanol 110.27
    isobutyl acetate 70.08
    tetrachloromethane 58.27
    n-pentyl acetate 100.35
    transcutol 147.96
    n-heptanol 24.12
    ethylbenzene 60.37
    MIBK 100.22
    2-propoxyethanol 78.64
    tert-butanol 38.06
    MTBE 77.68
    2-butoxyethanol 54.34
    propionic acid 92.85
    o-xylene 69.25
    formic acid 23.24
    diethyl ether 127.11
    m-xylene 59.79
    p-xylene 76.55
    chlorobenzene 326.87
    dimethyl carbonate 180.76
    n-octane 8.42
    formamide 90.78
    cyclopentanone 986.43
    2-pentanone 215.85
    anisole 135.9
    cyclopentyl methyl ether 280.68
    gamma-butyrolactone 934.0
    1-methoxy-2-propanol 87.59
    pyridine 680.85
    3-pentanone 224.69
    furfural 579.2
    n-dodecane 6.95
    diethylene glycol 33.02
    diisopropyl ether 32.5
    tert-amyl alcohol 37.77
    acetylacetone 322.03
    n-hexadecane 8.16
    acetophenone 150.67
    methyl propionate 251.24
    isopentyl acetate 117.53
    trichloroethylene 1528.78
    n-nonanol 25.86
    cyclohexanol 64.72
    benzyl alcohol 60.08
    2-ethylhexanol 33.72
    isooctanol 20.7
    dipropyl ether 88.52
    1,2-dichlorobenzene 279.14
    ethyl lactate 43.79
    propylene carbonate 384.24
    n-methylformamide 200.82
    2-pentanol 28.77
    n-pentane 11.47
    1-propoxy-2-propanol 68.79
    1-methoxy-2-propyl acetate 157.87
    2-(2-methoxypropoxy) propanol 66.89
    mesitylene 35.93
    ε-caprolactone 370.7
    p-cymene 36.1
    epichlorohydrin 930.64
    1,1,1-trichloroethane 387.0
    2-aminoethanol 17.13
    morpholine-4-carbaldehyde 395.18
    sulfolane 935.23
    2,2,4-trimethylpentane 6.97
    2-methyltetrahydrofuran 410.02
    n-hexyl acetate 102.15
    isooctane 4.18
    2-(2-butoxyethoxy)ethanol 76.24
    sec-butyl acetate 76.76
    tert-butyl acetate 119.18
    decalin 16.8
    glycerin 18.4
    diglyme 186.49
    acrylic acid 96.93
    isopropyl myristate 49.27
    n-butyric acid 139.56
    acetyl acetate 169.14
    di(2-ethylhexyl) phthalate 42.79
    ethyl propionate 126.7
    nitromethane 390.15
    1,2-diethoxyethane 108.39
    benzonitrile 140.11
    trioctyl phosphate 30.28
    1-bromopropane 321.83
    gamma-valerolactone 730.12
    n-decanol 20.24
    triethyl phosphate 63.5
    4-methyl-2-pentanol 18.79
    propionitrile 112.0
    vinylene carbonate 356.77
    1,1,2-trichlorotrifluoroethane 325.94
    DMS 171.05
    cumene 31.34
    2-octanol 19.12
    2-hexanone 109.36
    octyl acetate 60.91
    limonene 54.44
    1,2-dimethoxyethane 191.7
    ethyl orthosilicate 55.65
    tributyl phosphate 43.63
    diacetone alcohol 90.97
    N,N-dimethylaniline 85.96
    acrylonitrile 184.93
    aniline 128.32
    1,3-propanediol 32.11
    bromobenzene 396.41
    dibromomethane 791.84
    1,1,2,2-tetrachloroethane 1101.91
    2-methyl-cyclohexyl acetate 85.83
    tetrabutyl urea 69.78
    diisobutyl methanol 25.13
    2-phenylethanol 62.98
    styrene 97.24
    dioctyl adipate 79.82
    dimethyl sulfate 294.55
    ethyl butyrate 131.76
    methyl lactate 83.62
    butyl lactate 61.59
    diethyl carbonate 94.23
    propanediol butyl ether 34.95
    triethyl orthoformate 88.17
    p-tert-butyltoluene 33.76
    methyl 4-tert-butylbenzoate 102.7
    morpholine 347.35
    tert-butylamine 25.33
    n-dodecanol 16.89
    dimethoxymethane 336.61
    ethylene carbonate 271.89
    cyrene 87.61
    2-ethoxyethyl acetate 127.35
    2-ethylhexyl acetate 102.75
    1,2,4-trichlorobenzene 321.53
    4-methylpyridine 426.74
    dibutyl ether 65.83
    2,6-dimethyl-4-heptanol 25.13
    DEF 307.28
    dimethyl isosorbide 168.33
    tetrachloroethylene 509.61
    eugenol 78.67
    triacetin 120.68
    span 80 62.26
    1,4-butanediol 8.49
    1,1-dichloroethane 484.41
    2-methyl-1-pentanol 26.01
    methyl formate 177.38
    2-methyl-1-butanol 33.18
    n-decane 10.66
    butyronitrile 103.36
    3,7-dimethyl-1-octanol 26.03
    1-chlorooctane 39.41
    1-chlorotetradecane 18.12
    n-nonane 9.53
    undecane 8.26
    tert-butylcyclohexane 10.63
    cyclooctane 14.02
    cyclopentanol 104.66
    tetrahydropyran 383.43
    tert-amyl methyl ether 74.79
    2,5,8-trioxanonane 129.93
    1-hexene 49.22
    2-isopropoxyethanol 32.11
    2,2,2-trifluoroethanol 50.15
    methyl butyrate 172.73

    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