Tris-biphenyl triazine

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  • Identifiers

    CAS number
    31274-51-8

    Molecular formula
    C39H27N3

    SMILES
    C1=CC=C(C=C1)C2=CC=C(C=C2)C3=NC(=NC(=N3)C4=CC=C(C=C4)C5=CC=CC=C5)C6=CC=C(C=C6)C7=CC=CC=C7

    Safety labels

  • Odor profile

    Fragrance
    Floral 65.98%
    Rose 51.34%
    Geranium 46.61%
    Metallic 42.45%
    Animal 39.38%
    Green 36.28%
    Pungent 36.2%
    Earthy 33.18%
    Orange 31.45%
    Fruity 27.63%

     

    Flavor
    Bitter 53.15%
    Animal 28.78%
    Geranium 28.68%
    Rose 26.31%
    Moth ball 24.08%
    Naphthelene 23.8%
    Tar 23.39%
    Very strong 22.98%
    Tarry 22.82%
    Fecal 22.62%

     

    Odor impact est.
    Low

  • Properties

    XLogP3-AA
    9.8

    pKa est.
    4.84 (weak acid)

    Molecular weight
    537.6 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Ultra slow

    Boiling point est.
    2566°C

    Flash point

    • 304.03 ˚C est.

  • Synonyms

    • 31274-51-8
    • Tris-biphenyl triazine
    • Tinosorb A2B
    • 2,4,6-tris([1,1'-biphenyl]-4-yl)-1,3,5-triazine
    • FQK9A410YB
    • 2,4,6-Tris(p-biphenylyl)-s-triazine
    • Tris-biphenyl triazine [INCI]
    • S-Triazine, 2,4,6-tri-4-biphenylyl-
    • 1,3,5-Triazine, 2,4,6-tris((1,1'-biphenyl)-4-yl)-
    • DTXSID30185197
    • 2,4,6-Tris((1,1'-biphenyl)-4-yl)-1,3,5-triazine
    • 1,3,5-Triazine, 2,4,6-tris([1,1'-biphenyl]-4-yl)-
    • RefChem:900415
    • DTXCID40107688
    • 479-950-7
    • 2,4,6-tri([1,1'-biphenyl]-4-yl)-1,3,5-triazine
    • 2,4,6-tris(4-phenylphenyl)-1,3,5-triazine
    • Tinosorb A 2B
    • MFCD29071839
    • 1,3,5-Triazine, 2,4,6-tris[1,1'-biphenyl]-4-yl-
    • UNII-FQK9A410YB
    • 2,4,6-tri(4-biphenylyl)-1,3,5-triazine
    • 2,4,6-Tris(biphenyl-4-yl)-1,3,5-triazine
    • YSWG436
    • SCHEMBL336960
    • GBA27451
    • AKOS028113710
    • tris(4-phenylphenyl)-1,3,5-triazine
    • AS-75729
    • SY235311
    • DB-202465
    • CS-0110704
    • NS00077875
    • T3539
    • 2,4,6-tris-(4-biphenylyl)-1,3,5-triazine
    • T72279
    • F612547
    • Q15731461
    • 2,4,6-Tri([1,1''-biphenyl]-4-yl)-1,3,5-triazine
    • Tinosorb A 2B; 2,4,6-Tris([1,1'-biphenyl]-4-yl)-1,3,5-triazine, 2,4,6-Tris([1,1'-biphenyl]-4-yl)-1,3,5-triazine (ACI); s-Triazine, 2,4,6-tri-4-biphenylyl- (8CI); 2,4,6-Tri(1,1'-biphenyl-4-yl)-1,3,5-triazine; 2,4,6-Tribiphenyl-4-yl-1,3,5-triazine; 2,4,6-Tris(4-phenylphen
    • 31274-51-8

  • Applications

    Tris-biphenyl triazine (CAS 31274-51-8) is used as a building block for star-shaped aromatic polymers and high-temperature resins, serving as a crosslinkable core that imparts thermal and chemical stability to plastics. In electronics and organic electronics, it is evaluated as a host material or electron-transport component in OLEDs and related devices due to its rigid, electron-deficient triazine core and three bulky aryl substituents. In coatings and inks, it can function as a UV stabilizer or photostabilizer, helping to improve lightfastness and color retention. In adhesives and laminates, it can act as a functional monomer or crosslinker to enhance thermal and mechanical properties. As an intermediate for specialty materials, it is used in industrial manufacturing to construct network polymers and high-performance resins.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 0.13
    methanol 0.16
    isopropanol 0.1
    water 0.01
    ethyl acetate 1.42
    n-propanol 0.22
    acetone 0.63
    n-butanol 0.31
    acetonitrile 0.2
    DMF 1.76
    toluene 3.76
    isobutanol 0.17
    1,4-dioxane 1.57
    methyl acetate 1.03
    THF 9.73
    2-butanone 1.47
    n-pentanol 0.31
    sec-butanol 0.23
    n-hexane 0.1
    ethylene glycol 0.05
    NMP 4.04
    cyclohexane 0.07
    DMSO 1.86
    n-butyl acetate 1.21
    n-octanol 0.27
    chloroform 19.37
    n-propyl acetate 1.04
    acetic acid 0.69
    dichloromethane 18.1
    cyclohexanone 2.79
    propylene glycol 0.11
    isopropyl acetate 1.37
    DMAc 4.94
    2-ethoxyethanol 0.8
    isopentanol 0.3
    n-heptane 0.17
    ethyl formate 1.01
    1,2-dichloroethane 5.54
    n-hexanol 0.29
    2-methoxyethanol 0.89
    isobutyl acetate 0.79
    tetrachloromethane 2.09
    n-pentyl acetate 1.69
    transcutol 2.3
    n-heptanol 0.35
    ethylbenzene 1.81
    MIBK 1.24
    2-propoxyethanol 1.18
    tert-butanol 0.14
    MTBE 0.66
    2-butoxyethanol 1.06
    propionic acid 0.74
    o-xylene 1.96
    formic acid 0.39
    diethyl ether 0.73
    m-xylene 2.09
    p-xylene 1.5
    chlorobenzene 5.25
    dimethyl carbonate 2.3
    n-octane 0.09
    formamide 0.67
    cyclopentanone 5.83
    2-pentanone 1.58
    anisole 3.08
    cyclopentyl methyl ether 2.63
    gamma-butyrolactone 6.79
    1-methoxy-2-propanol 0.91
    pyridine 5.52
    3-pentanone 1.77
    furfural 8.18
    n-dodecane 0.06
    diethylene glycol 0.49
    diisopropyl ether 0.38
    tert-amyl alcohol 0.33
    acetylacetone 2.91
    n-hexadecane 0.08
    acetophenone 3.07
    methyl propionate 1.83
    isopentyl acetate 1.38
    trichloroethylene 21.27
    n-nonanol 0.39
    cyclohexanol 0.39
    benzyl alcohol 1.45
    2-ethylhexanol 0.44
    isooctanol 0.37
    dipropyl ether 1.4
    1,2-dichlorobenzene 6.53
    ethyl lactate 0.91
    propylene carbonate 3.59
    n-methylformamide 0.82
    2-pentanol 0.27
    n-pentane 0.08
    1-propoxy-2-propanol 1.11
    1-methoxy-2-propyl acetate 2.9
    2-(2-methoxypropoxy) propanol 1.69
    mesitylene 1.04
    ε-caprolactone 3.34
    p-cymene 0.98
    epichlorohydrin 11.95
    1,1,1-trichloroethane 4.76
    2-aminoethanol 0.13
    morpholine-4-carbaldehyde 3.25
    sulfolane 10.19
    2,2,4-trimethylpentane 0.13
    2-methyltetrahydrofuran 2.61
    n-hexyl acetate 1.31
    isooctane 0.06
    2-(2-butoxyethoxy)ethanol 1.52
    sec-butyl acetate 1.17
    tert-butyl acetate 1.84
    decalin 0.15
    glycerin 0.3
    diglyme 3.52
    acrylic acid 1.04
    isopropyl myristate 0.92
    n-butyric acid 1.26
    acetyl acetate 1.55
    di(2-ethylhexyl) phthalate 1.06
    ethyl propionate 1.59
    nitromethane 1.67
    1,2-diethoxyethane 1.96
    benzonitrile 1.45
    trioctyl phosphate 0.63
    1-bromopropane 2.76
    gamma-valerolactone 6.52
    n-decanol 0.29
    triethyl phosphate 1.55
    4-methyl-2-pentanol 0.26
    propionitrile 0.46
    vinylene carbonate 4.56
    1,1,2-trichlorotrifluoroethane 7.7
    DMS 2.14
    cumene 1.02
    2-octanol 0.28
    2-hexanone 1.23
    octyl acetate 0.92
    limonene 0.97
    1,2-dimethoxyethane 1.95
    ethyl orthosilicate 1.59
    tributyl phosphate 0.8
    diacetone alcohol 1.48
    N,N-dimethylaniline 2.19
    acrylonitrile 0.79
    aniline 2.29
    1,3-propanediol 0.26
    bromobenzene 7.69
    dibromomethane 8.26
    1,1,2,2-tetrachloroethane 14.08
    2-methyl-cyclohexyl acetate 1.53
    tetrabutyl urea 1.13
    diisobutyl methanol 0.43
    2-phenylethanol 1.32
    styrene 1.87
    dioctyl adipate 1.66
    dimethyl sulfate 5.19
    ethyl butyrate 1.79
    methyl lactate 1.26
    butyl lactate 1.31
    diethyl carbonate 1.31
    propanediol butyl ether 0.6
    triethyl orthoformate 2.0
    p-tert-butyltoluene 1.01
    methyl 4-tert-butylbenzoate 3.23
    morpholine 1.46
    tert-butylamine 0.1
    n-dodecanol 0.22
    dimethoxymethane 2.46
    ethylene carbonate 2.58
    cyrene 2.61
    2-ethoxyethyl acetate 2.63
    2-ethylhexyl acetate 1.38
    1,2,4-trichlorobenzene 8.24
    4-methylpyridine 4.07
    dibutyl ether 0.98
    2,6-dimethyl-4-heptanol 0.43
    DEF 2.1
    dimethyl isosorbide 5.49
    tetrachloroethylene 8.44
    eugenol 2.34
    triacetin 2.27
    span 80 1.41
    1,4-butanediol 0.12
    1,1-dichloroethane 3.08
    2-methyl-1-pentanol 0.46
    methyl formate 1.11
    2-methyl-1-butanol 0.36
    n-decane 0.12
    butyronitrile 0.5
    3,7-dimethyl-1-octanol 0.4
    1-chlorooctane 0.53
    1-chlorotetradecane 0.23
    n-nonane 0.1
    undecane 0.08
    tert-butylcyclohexane 0.15
    cyclooctane 0.08
    cyclopentanol 0.46
    tetrahydropyran 1.38
    tert-amyl methyl ether 1.2
    2,5,8-trioxanonane 2.88
    1-hexene 0.39
    2-isopropoxyethanol 0.68
    2,2,2-trifluoroethanol 0.65
    methyl butyrate 1.65

    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