Trimethylolpropane triacrylate

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  • Identifiers

    CAS number
    15625-89-5

    Molecular formula
    C15H20O6

    SMILES
    CCC(COC(=O)C=C)(COC(=O)C=C)COC(=O)C=C

    Safety labels

    Irritant
    Irritant

    Health Hazard
    Health

    Environmental Hazard
    Environmental

  • Odor profile

    Fragrance
    Fruity 49.98%
    Caramellic 32.98%
    Sweet 30.37%
    Odorless 29.58%
    Winey 28.95%
    Ethereal 26.92%
    Burnt 26.36%
    Sour 25.31%
    Pungent 24.1%
    Buttery 23.5%

     

    Flavor
    Fruity 44.41%
    Bitter 29.5%
    Odorless 24.67%
    Very mild 22.4%
    Mild 21.02%
    Yeast 19.29%
    Toffee 18.89%
    Dried berry 18.89%
    Orange flower 18.75%
    Heather 18.62%

     

    Odor impact est.
    Low

  • Properties

    XLogP3-AA
    2.7

    pKa est.
    6.05 (neutral)

    Molecular weight
    296.31 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Ultra slow

    Boiling point

    • BP: >200 °C at 1 mm Hg

    Flash point

    • 161.25 ˚C est.

    Solubility expt.

    • Insoluble in water

  • Synonyms

    • TRIMETHYLOLPROPANE TRIACRYLATE
    • 15625-89-5
    • TMPTA
    • Viscoat 295
    • Sartomer SR 351
    • Ogumont T 200
    • Setalux UV 2241
    • Saret 351
    • NK Ester A TMPT
    • 2-Ethyl-2-(hydroxymethyl)-1,3-propanediol triacrylate
    • CCRIS 92
    • UNII-4B67KGL96S
    • EINECS 239-701-3
    • SR 351
    • 4B67KGL96S
    • M 309
    • DTXSID0027773
    • HSDB 8054
    • 1,3-Propanediol, 2-ethyl-2-(hydroxymethyl)-, triacrylate
    • MFM
    • Acrylic acid, triester with 2-ethyl-2-(hydroxymethyl)-1,3-propanediol
    • Acrylic acid, 1,1,1-(trihydroxymethyl)propane triester
    • DTXCID407773
    • 2-Ethyl-2-(((1-oxoallyl)oxy)methyl)-1,3-propanediyl diacrylate
    • EC 239-701-3
    • 2-Propenoic acid, 2-ethyl-2-(((1-oxo-2-propenyl)oxy)methyl)-1,3-propanediyl ester
    • TRIMETHYLOLPROPANE TRIACRYLATE (IARC)
    • TRIMETHYLOLPROPANE TRIACRYLATE [IARC]
    • RefChem:9356
    • 239-701-3
    • trimethylol propane triacrylate
    • 2,2-bis(prop-2-enoyloxymethyl)butyl prop-2-enoate
    • 1,1,1-Tris(acryloyloxymethyl)propane
    • MFCD00008628
    • 2-((acryloyloxy)methyl)-2-ethylpropane-1,3-diyl diacrylate
    • 2-Propenoic acid, 1,1'-(2-ethyl-2-(((1-oxo-2-propen-1-yl)oxy)methyl)-1,3-propanediyl) ester
    • 2-Propenoic acid, 1,1'-[2-ethyl-2-[[(1-oxo-2-propen-1-yl)oxy]methyl]-1,3-propanediyl] ester
    • CAS-15625-89-5
    • Trimethylolpropane triacrylate(106 cp(25 degrees c))
    • 2-[(Acryloyloxy)methyl]-2-ethylpropane-1,3-diyl Diacrylate
    • CHEBI:35028
    • trimethylolpropane-triacrylate
    • SCHEMBL238953
    • CHEMBL1886556
    • MSK14295
    • Tox21_202170
    • Tox21_303527
    • AKOS015910177
    • TMPTA (Trimethylol propane triacrylate)
    • NCGC00164104-01
    • NCGC00164104-02
    • NCGC00257300-01
    • NCGC00259719-01
    • FT174811
    • PD062042
    • SY073261
    • Trimethylolpropane triacrylate, stabilized
    • NS00001689
    • T0949
    • 1,1,1-Trimethylolpropane triacrylate(trimpta)
    • F71306
    • Q7670760
    • BRD-K24483849-001-01-8
    • Trimethylolpropane Triacrylate (stabilized with MEHQ)
    • Trimethylolpropane triacrylate - stabilized with MEHQ
    • 2,2-Bis{[(prop-2-enoyl)oxy]methyl}butyl prop-2-enoate
    • Trimethylolpropane triacrylate stabilized with 200ppm MEHQ
    • 36446-02-3
    • Trimethylolpropane triacrylate, contains 600 ppm monomethyl ether hydroquinone as inhibitor, technical grade
    • 15625-89-5

  • Applications

    Trimethylolpropane triacrylate (CAS 15625-89-5) is a multifunctional acrylate monomer used primarily as a crosslinking agent in UV- and EB-curable systems. It improves network formation and durability in coatings and inks, enabling tougher, more chemical- and weather-resistant finishes. It is also used as a reactive component in adhesive and sealant formulations to enhance bond strength after cure. In polymer resin formulations and plastics, it functions as a crosslinking monomer to boost network density and thermal resistance. It finds use in photopolymer resins for electronics encapsulation/potting and in resins for 3D printing (UV-curable). Additionally, it is employed in UV-curable coatings and inks for industrial coatings on wood, metal, and composite substrates. In summary, TMPTA is typically used as a reactive acrylate crosslinking monomer in photopolymer systems to increase cure speed and network density, subject to local regulations and formulation limits.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 39.4
    methanol 61.23
    isopropanol 28.67
    water 0.21
    ethyl acetate 102.5
    n-propanol 30.81
    acetone 180.87
    n-butanol 26.2
    acetonitrile 67.81
    DMF 176.42
    toluene 76.08
    isobutanol 22.06
    1,4-dioxane 118.43
    methyl acetate 123.73
    THF 301.99
    2-butanone 154.24
    n-pentanol 37.1
    sec-butanol 38.75
    n-hexane 4.71
    ethylene glycol 4.37
    NMP 296.07
    cyclohexane 7.48
    DMSO 247.03
    n-butyl acetate 58.97
    n-octanol 21.8
    chloroform 314.48
    n-propyl acetate 82.93
    acetic acid 85.16
    dichloromethane 357.55
    cyclohexanone 205.14
    propylene glycol 9.07
    isopropyl acetate 67.67
    DMAc 379.15
    2-ethoxyethanol 93.7
    isopentanol 29.37
    n-heptane 3.58
    ethyl formate 68.14
    1,2-dichloroethane 192.47
    n-hexanol 25.08
    2-methoxyethanol 88.11
    isobutyl acetate 43.84
    tetrachloromethane 22.94
    n-pentyl acetate 50.6
    transcutol 159.77
    n-heptanol 20.72
    ethylbenzene 46.05
    MIBK 65.84
    2-propoxyethanol 66.3
    tert-butanol 49.61
    MTBE 63.81
    2-butoxyethanol 49.35
    propionic acid 58.88
    o-xylene 54.56
    formic acid 36.37
    diethyl ether 58.61
    m-xylene 42.67
    p-xylene 67.55
    chlorobenzene 93.34
    dimethyl carbonate 52.14
    n-octane 2.73
    formamide 82.66
    cyclopentanone 267.43
    2-pentanone 107.99
    anisole 89.64
    cyclopentyl methyl ether 95.56
    gamma-butyrolactone 288.28
    1-methoxy-2-propanol 76.3
    pyridine 174.39
    3-pentanone 96.14
    furfural 214.15
    n-dodecane 2.4
    diethylene glycol 37.15
    diisopropyl ether 17.57
    tert-amyl alcohol 58.23
    acetylacetone 149.93
    n-hexadecane 2.73
    acetophenone 124.53
    methyl propionate 93.78
    isopentyl acetate 57.88
    trichloroethylene 416.88
    n-nonanol 22.6
    cyclohexanol 43.57
    benzyl alcohol 73.72
    2-ethylhexanol 21.64
    isooctanol 19.53
    dipropyl ether 29.88
    1,2-dichlorobenzene 85.98
    ethyl lactate 41.11
    propylene carbonate 140.36
    n-methylformamide 85.99
    2-pentanol 24.04
    n-pentane 3.28
    1-propoxy-2-propanol 49.3
    1-methoxy-2-propyl acetate 67.02
    2-(2-methoxypropoxy) propanol 66.01
    mesitylene 25.24
    ε-caprolactone 159.86
    p-cymene 22.15
    epichlorohydrin 284.69
    1,1,1-trichloroethane 138.8
    2-aminoethanol 13.72
    morpholine-4-carbaldehyde 201.17
    sulfolane 310.8
    2,2,4-trimethylpentane 3.75
    2-methyltetrahydrofuran 171.53
    n-hexyl acetate 61.78
    isooctane 1.73
    2-(2-butoxyethoxy)ethanol 74.85
    sec-butyl acetate 53.16
    tert-butyl acetate 72.91
    decalin 7.38
    glycerin 15.63
    diglyme 142.82
    acrylic acid 54.18
    isopropyl myristate 26.73
    n-butyric acid 65.74
    acetyl acetate 70.96
    di(2-ethylhexyl) phthalate 33.49
    ethyl propionate 74.3
    nitromethane 205.66
    1,2-diethoxyethane 66.21
    benzonitrile 76.18
    trioctyl phosphate 20.73
    1-bromopropane 91.17
    gamma-valerolactone 277.94
    n-decanol 17.02
    triethyl phosphate 35.85
    4-methyl-2-pentanol 17.52
    propionitrile 53.46
    vinylene carbonate 118.17
    1,1,2-trichlorotrifluoroethane 149.98
    DMS 63.11
    cumene 29.57
    2-octanol 17.47
    2-hexanone 93.99
    octyl acetate 34.78
    limonene 30.93
    1,2-dimethoxyethane 170.05
    ethyl orthosilicate 33.28
    tributyl phosphate 26.62
    diacetone alcohol 82.72
    N,N-dimethylaniline 71.94
    acrylonitrile 69.95
    aniline 63.8
    1,3-propanediol 23.52
    bromobenzene 102.0
    dibromomethane 214.43
    1,1,2,2-tetrachloroethane 280.06
    2-methyl-cyclohexyl acetate 56.17
    tetrabutyl urea 41.84
    diisobutyl methanol 14.92
    2-phenylethanol 52.58
    styrene 58.9
    dioctyl adipate 48.07
    dimethyl sulfate 100.74
    ethyl butyrate 57.73
    methyl lactate 44.51
    butyl lactate 41.49
    diethyl carbonate 42.68
    propanediol butyl ether 42.55
    triethyl orthoformate 42.64
    p-tert-butyltoluene 21.0
    methyl 4-tert-butylbenzoate 81.45
    morpholine 134.95
    tert-butylamine 25.2
    n-dodecanol 13.0
    dimethoxymethane 118.0
    ethylene carbonate 87.36
    cyrene 98.06
    2-ethoxyethyl acetate 71.87
    2-ethylhexyl acetate 46.64
    1,2,4-trichlorobenzene 115.43
    4-methylpyridine 175.19
    dibutyl ether 30.79
    2,6-dimethyl-4-heptanol 14.92
    DEF 119.19
    dimethyl isosorbide 128.2
    tetrachloroethylene 161.43
    eugenol 66.48
    triacetin 82.27
    span 80 52.21
    1,4-butanediol 15.47
    1,1-dichloroethane 163.46
    2-methyl-1-pentanol 40.83
    methyl formate 82.05
    2-methyl-1-butanol 28.59
    n-decane 4.06
    butyronitrile 51.09
    3,7-dimethyl-1-octanol 25.43
    1-chlorooctane 19.46
    1-chlorotetradecane 8.19
    n-nonane 3.46
    undecane 3.02
    tert-butylcyclohexane 5.72
    cyclooctane 3.21
    cyclopentanol 52.84
    tetrahydropyran 110.24
    tert-amyl methyl ether 62.78
    2,5,8-trioxanonane 102.63
    1-hexene 23.64
    2-isopropoxyethanol 67.97
    2,2,2-trifluoroethanol 39.33
    methyl butyrate 100.45

    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