Aminoethylphosphinic acid

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  • Identifiers

    CAS number
    74333-44-1

    Molecular formula
    C2H8NO2P

    SMILES
    CC(N)P(=O)O

    Safety labels

  • Odor profile

    Fragrance
    Odorless 84.33%
    Savory 20.17%
    Sulfurous 17.52%
    Fishy 17.31%
    Meaty 16.86%
    Cooked 14.5%
    Pungent 13.71%
    Malty 13.27%
    Bitter 11.99%
    Roasted 11.79%

     

    Flavor
    Odorless 67.16%
    Mild 24.84%
    Bland 23.89%
    Sour 22.94%
    Acidic 22.06%
    Yeast 21.41%
    Sweet-like 20.69%
    Formyl 20.46%
    Mousy 20.16%
    Soy 20.14%

     

    Odor impact est.
    Low

  • Properties

    XLogP3-AA
    -3.8

    pKa est.
    6.67 (neutral)

    Molecular weight
    109.06 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Ultra slow

    Boiling point est.
    328°C

    Flash point

    • 106.12 ˚C est.

  • Synonyms

    • RefChem:915690
    • DTXCID601768972
    • 426-930-0
    • (1-Aminoethyl)phosphonous acid
    • 1-Aminoethylphosphinic acid
    • 74333-44-1
    • Aminoethylphosphinic acid
    • DTXSID50995871
    • G4888SY0QO
    • Phosphinic acid, (1-aminoethyl)-
    • Phosphinic acid, P-(1-aminoethyl)-
    • 74333-44-1

  • Applications

    Aminoethylphosphinic acid (CAS 74333-44-1) is used primarily as a metal-chelating agent in cleaning formulations and industrial water treatment, helping sequester metal ions; it can act as a scale and corrosion inhibitor in cooling-water systems and metalworking fluids; it serves as a versatile intermediate or building block for phosphorus-containing compounds including phosphinate-containing polymers, coatings, inks, and plastics; it is evaluated as a stabilizer or processing aid in polymer formulations; and it may be used as a ligand in electronic processing, such as complexation in plating or etching solutions.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 0.3
    methanol 1.59
    isopropanol 0.1
    water 493.83
    ethyl acetate 0.08
    n-propanol 0.19
    acetone 0.11
    n-butanol 0.14
    acetonitrile 0.12
    DMF 0.55
    toluene 0.05
    isobutanol 0.13
    1,4-dioxane 0.15
    methyl acetate 0.06
    THF 0.22
    2-butanone 0.07
    n-pentanol 0.1
    sec-butanol 0.12
    n-hexane 0.03
    ethylene glycol 7.92
    NMP 4.44
    cyclohexane 0.13
    DMSO 1.66
    n-butyl acetate 0.1
    n-octanol 0.09
    chloroform 0.06
    n-propyl acetate 0.06
    acetic acid 6.87
    dichloromethane 0.06
    cyclohexanone 0.31
    propylene glycol 2.34
    isopropyl acetate 0.06
    DMAc 0.94
    2-ethoxyethanol 0.77
    isopentanol 0.11
    n-heptane 0.11
    ethyl formate 0.19
    1,2-dichloroethane 0.04
    n-hexanol 0.22
    2-methoxyethanol 1.34
    isobutyl acetate 0.04
    tetrachloromethane 0.09
    n-pentyl acetate 0.1
    transcutol 1.2
    n-heptanol 0.25
    ethylbenzene 0.04
    MIBK 0.07
    2-propoxyethanol 0.92
    tert-butanol 0.16
    MTBE 0.04
    2-butoxyethanol 0.89
    propionic acid 0.79
    o-xylene 0.11
    formic acid 69.74
    diethyl ether 0.04
    m-xylene 0.08
    p-xylene 0.06
    chlorobenzene 0.03
    dimethyl carbonate 0.13
    n-octane 0.04
    formamide 18.0
    cyclopentanone 0.41
    2-pentanone 0.07
    anisole 0.05
    cyclopentyl methyl ether 0.2
    gamma-butyrolactone 0.62
    1-methoxy-2-propanol 0.57
    pyridine 0.15
    3-pentanone 0.09
    furfural 1.25
    n-dodecane 0.02
    diethylene glycol 3.87
    diisopropyl ether 0.04
    tert-amyl alcohol 0.21
    acetylacetone 0.19
    n-hexadecane 0.02
    acetophenone 0.13
    methyl propionate 0.1
    isopentyl acetate 0.1
    trichloroethylene 0.07
    n-nonanol 0.1
    cyclohexanol 0.3
    benzyl alcohol 0.17
    2-ethylhexanol 0.16
    isooctanol 0.2
    dipropyl ether 0.1
    1,2-dichlorobenzene 0.05
    ethyl lactate 0.28
    propylene carbonate 0.35
    n-methylformamide 0.92
    2-pentanol 0.09
    n-pentane 0.03
    1-propoxy-2-propanol 0.59
    1-methoxy-2-propyl acetate 0.22
    2-(2-methoxypropoxy) propanol 0.7
    mesitylene 0.09
    ε-caprolactone 0.35
    p-cymene 0.11
    epichlorohydrin 0.13
    1,1,1-trichloroethane 0.03
    2-aminoethanol 3.69
    morpholine-4-carbaldehyde 1.61
    sulfolane 2.7
    2,2,4-trimethylpentane 0.03
    2-methyltetrahydrofuran 0.17
    n-hexyl acetate 0.09
    isooctane 0.02
    2-(2-butoxyethoxy)ethanol 0.95
    sec-butyl acetate 0.04
    tert-butyl acetate 0.1
    decalin 0.04
    glycerin 14.19
    diglyme 1.04
    acrylic acid 1.87
    isopropyl myristate 0.05
    n-butyric acid 0.59
    acetyl acetate 0.14
    di(2-ethylhexyl) phthalate 0.18
    ethyl propionate 0.06
    nitromethane 1.36
    1,2-diethoxyethane 0.08
    benzonitrile 0.09
    trioctyl phosphate 0.14
    1-bromopropane 0.02
    gamma-valerolactone 0.82
    n-decanol 0.08
    triethyl phosphate 0.16
    4-methyl-2-pentanol 0.08
    propionitrile 0.06
    vinylene carbonate 0.3
    1,1,2-trichlorotrifluoroethane 1.56
    DMS 0.1
    cumene 0.05
    2-octanol 0.12
    2-hexanone 0.05
    octyl acetate 0.07
    limonene 0.14
    1,2-dimethoxyethane 0.25
    ethyl orthosilicate 0.17
    tributyl phosphate 0.12
    diacetone alcohol 0.4
    N,N-dimethylaniline 0.1
    acrylonitrile 0.12
    aniline 0.14
    1,3-propanediol 1.64
    bromobenzene 0.03
    dibromomethane 0.05
    1,1,2,2-tetrachloroethane 0.08
    2-methyl-cyclohexyl acetate 0.16
    tetrabutyl urea 0.2
    diisobutyl methanol 0.13
    2-phenylethanol 0.24
    styrene 0.03
    dioctyl adipate 0.09
    dimethyl sulfate 0.41
    ethyl butyrate 0.11
    methyl lactate 0.66
    butyl lactate 0.38
    diethyl carbonate 0.08
    propanediol butyl ether 1.09
    triethyl orthoformate 0.16
    p-tert-butyltoluene 0.12
    methyl 4-tert-butylbenzoate 0.43
    morpholine 0.22
    tert-butylamine 0.08
    n-dodecanol 0.06
    dimethoxymethane 0.2
    ethylene carbonate 0.22
    cyrene 1.81
    2-ethoxyethyl acetate 0.16
    2-ethylhexyl acetate 0.09
    1,2,4-trichlorobenzene 0.07
    4-methylpyridine 0.09
    dibutyl ether 0.04
    2,6-dimethyl-4-heptanol 0.13
    DEF 0.22
    dimethyl isosorbide 1.15
    tetrachloroethylene 0.17
    eugenol 0.67
    triacetin 0.26
    span 80 0.95
    1,4-butanediol 0.88
    1,1-dichloroethane 0.02
    2-methyl-1-pentanol 0.1
    methyl formate 0.63
    2-methyl-1-butanol 0.15
    n-decane 0.03
    butyronitrile 0.06
    3,7-dimethyl-1-octanol 0.08
    1-chlorooctane 0.03
    1-chlorotetradecane 0.02
    n-nonane 0.03
    undecane 0.02
    tert-butylcyclohexane 0.03
    cyclooctane 0.09
    cyclopentanol 0.47
    tetrahydropyran 0.09
    tert-amyl methyl ether 0.07
    2,5,8-trioxanonane 1.18
    1-hexene 0.03
    2-isopropoxyethanol 0.36
    2,2,2-trifluoroethanol 5.83
    methyl butyrate 0.09

    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