Copper pyridoxine

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  • Identifiers

    CAS number
    89553-15-1

    Molecular formula
    C8H8CuNO6P

    SMILES
    CC1=NC=C(C(=C1O)C=O)COP(=O)([O-])[O-].[Cu+2]

    Safety labels

  • Odor profile

    Fragrance
    Odorless 80.74%
    Milky 21.28%
    Savory 19.2%
    Bitter 17.33%
    Sweet 17.28%
    Clean 15.43%
    Cooked 14.84%
    Cooling 14.32%
    Roasted 13.81%
    Burnt 13.8%

     

    Flavor
    Odorless 58.13%
    Mild 33.61%
    Bitter 29.44%
    Very mild 27.73%
    Bland 26.24%
    Nutty 22.06%
    Sour 21.44%
    Yeast 20.85%
    Faint 20.5%
    Sweet-like 20.08%

     

    Odor impact est.
    Low

  • Properties

    pKa est.
    5.24 (weak acid)

    Molecular weight
    308.67 g/mol

    Flash point

    • 251.54 ˚C est.

  • Synonyms

    • Copper pyridoxine
    • Copper pyridoxal 5-phosphate
    • UNII-42M12OH369
    • Copper pyridoxal 5-phosphate [INCI]
    • 42M12OH369
    • 89553-15-1
    • 4-Pyridinecarboxaldehyde, 3-hydroxy-2-methyl-5-((phosphonooxy)methyl)-, copper(2+) salt (1:1)
    • SCHEMBL524748
    • Q27258554
    • 89553-15-1

  • Applications

    Copper pyridoxine (CAS 89553-15-1) is a copper complex of pyridoxine that can be used as a laboratory reagent and a copper source for synthesis. In industry it may function as a chelating agent and stabilizer in polymer and coating formulations, helping control metal-induced degradation during processing. It can serve as a catalyst or catalyst precursor in organic reactions or polymerization, supporting selective transformations in R&D. In electronics and printed electronics, copper-containing complexes are explored as precursors for conductive inks and thin-film deposition. In coatings and inks, it may be evaluated as a functional additive to improve metal-ion management or impart antimicrobial surface properties, subject to formulation constraints. For research and development, it is used as a ligand-bearing copper source in coordination chemistry and catalysis studies. In cosmetics or personal care, its use is explored in niche formulations as a copper complex ingredient, subject to regulatory compliance.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 0.96
    methanol 2.56
    isopropanol 0.53
    water 2.02
    ethyl acetate 0.48
    n-propanol 0.57
    acetone 0.93
    n-butanol 0.43
    acetonitrile 0.24
    DMF 9.02
    toluene 0.08
    isobutanol 0.32
    1,4-dioxane 0.71
    methyl acetate 0.7
    THF 1.88
    2-butanone 1.04
    n-pentanol 0.2
    sec-butanol 0.61
    n-hexane 0.01
    ethylene glycol 2.04
    NMP 13.71
    cyclohexane 0.03
    DMSO 28.43
    n-butyl acetate 0.66
    n-octanol 0.23
    chloroform 0.2
    n-propyl acetate 0.26
    acetic acid 0.99
    dichloromethane 0.27
    cyclohexanone 0.95
    propylene glycol 0.96
    isopropyl acetate 0.37
    DMAc 16.52
    2-ethoxyethanol 2.71
    isopentanol 0.42
    n-heptane 0.04
    ethyl formate 0.79
    1,2-dichloroethane 0.29
    n-hexanol 0.47
    2-methoxyethanol 7.89
    isobutyl acetate 0.06
    tetrachloromethane 0.14
    n-pentyl acetate 0.44
    transcutol 3.23
    n-heptanol 0.47
    ethylbenzene 0.05
    MIBK 0.45
    2-propoxyethanol 3.4
    tert-butanol 1.15
    MTBE 0.4
    2-butoxyethanol 2.09
    propionic acid 0.78
    o-xylene 0.17
    formic acid 7.02
    diethyl ether 0.35
    m-xylene 0.09
    p-xylene 0.07
    chlorobenzene 0.06
    dimethyl carbonate 1.27
    n-octane 0.02
    formamide 12.8
    cyclopentanone 1.92
    2-pentanone 0.66
    anisole 0.29
    cyclopentyl methyl ether 0.51
    gamma-butyrolactone 2.68
    1-methoxy-2-propanol 4.12
    pyridine 0.57
    3-pentanone 0.63
    furfural 3.98
    n-dodecane 0.01
    diethylene glycol 6.12
    diisopropyl ether 0.12
    tert-amyl alcohol 1.33
    acetylacetone 1.13
    n-hexadecane 0.01
    acetophenone 0.63
    methyl propionate 0.89
    isopentyl acetate 0.54
    trichloroethylene 0.44
    n-nonanol 0.26
    cyclohexanol 0.35
    benzyl alcohol 0.36
    2-ethylhexanol 0.3
    isooctanol 0.32
    dipropyl ether 0.36
    1,2-dichlorobenzene 0.14
    ethyl lactate 0.82
    propylene carbonate 1.11
    n-methylformamide 4.64
    2-pentanol 0.31
    n-pentane 0.02
    1-propoxy-2-propanol 2.11
    1-methoxy-2-propyl acetate 1.47
    2-(2-methoxypropoxy) propanol 2.61
    mesitylene 0.09
    ε-caprolactone 1.05
    p-cymene 0.18
    epichlorohydrin 1.69
    1,1,1-trichloroethane 0.17
    2-aminoethanol 2.02
    morpholine-4-carbaldehyde 6.76
    sulfolane 9.75
    2,2,4-trimethylpentane 0.02
    2-methyltetrahydrofuran 0.73
    n-hexyl acetate 0.4
    isooctane 0.01
    2-(2-butoxyethoxy)ethanol 2.38
    sec-butyl acetate 0.18
    tert-butyl acetate 0.75
    decalin 0.01
    glycerin 4.41
    diglyme 4.96
    acrylic acid 1.01
    isopropyl myristate 0.23
    n-butyric acid 0.72
    acetyl acetate 0.33
    di(2-ethylhexyl) phthalate 0.54
    ethyl propionate 0.44
    nitromethane 2.78
    1,2-diethoxyethane 0.53
    benzonitrile 0.22
    trioctyl phosphate 0.38
    1-bromopropane 0.11
    gamma-valerolactone 3.42
    n-decanol 0.19
    triethyl phosphate 0.89
    4-methyl-2-pentanol 0.2
    propionitrile 0.26
    vinylene carbonate 0.81
    1,1,2-trichlorotrifluoroethane 4.14
    DMS 0.69
    cumene 0.05
    2-octanol 0.25
    2-hexanone 0.31
    octyl acetate 0.33
    limonene 0.22
    1,2-dimethoxyethane 3.57
    ethyl orthosilicate 0.67
    tributyl phosphate 0.42
    diacetone alcohol 2.53
    N,N-dimethylaniline 0.38
    acrylonitrile 0.49
    aniline 0.31
    1,3-propanediol 2.33
    bromobenzene 0.04
    dibromomethane 0.15
    1,1,2,2-tetrachloroethane 0.56
    2-methyl-cyclohexyl acetate 0.5
    tetrabutyl urea 0.89
    diisobutyl methanol 0.26
    2-phenylethanol 0.65
    styrene 0.05
    dioctyl adipate 0.4
    dimethyl sulfate 4.68
    ethyl butyrate 0.67
    methyl lactate 2.6
    butyl lactate 0.92
    diethyl carbonate 0.62
    propanediol butyl ether 1.29
    triethyl orthoformate 0.73
    p-tert-butyltoluene 0.2
    methyl 4-tert-butylbenzoate 1.86
    morpholine 1.16
    tert-butylamine 0.38
    n-dodecanol 0.13
    dimethoxymethane 3.87
    ethylene carbonate 0.56
    cyrene 3.06
    2-ethoxyethyl acetate 0.83
    2-ethylhexyl acetate 0.39
    1,2,4-trichlorobenzene 0.23
    4-methylpyridine 0.43
    dibutyl ether 0.15
    2,6-dimethyl-4-heptanol 0.26
    DEF 2.32
    dimethyl isosorbide 4.58
    tetrachloroethylene 0.59
    eugenol 1.81
    triacetin 0.71
    span 80 1.08
    1,4-butanediol 0.69
    1,1-dichloroethane 0.12
    2-methyl-1-pentanol 0.23
    methyl formate 2.6
    2-methyl-1-butanol 0.42
    n-decane 0.02
    butyronitrile 0.18
    3,7-dimethyl-1-octanol 0.22
    1-chlorooctane 0.07
    1-chlorotetradecane 0.03
    n-nonane 0.02
    undecane 0.01
    tert-butylcyclohexane 0.01
    cyclooctane 0.02
    cyclopentanol 0.53
    tetrahydropyran 0.26
    tert-amyl methyl ether 0.62
    2,5,8-trioxanonane 4.24
    1-hexene 0.03
    2-isopropoxyethanol 1.05
    2,2,2-trifluoroethanol 2.06
    methyl butyrate 0.6

    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