1-(2-Chlorophenyl)piperazinium chloride

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  • Identifiers

    CAS number
    41202-32-8

    Molecular formula
    C10H14Cl2N2

    SMILES
    C1CN(CCN1)C2=CC=CC=C2Cl.Cl

    Safety labels

    Irritant
    Irritant

  • Odor profile

    Fragrance
    Animal 39.82%
    Fishy 39.06%
    Odorless 36.87%
    Burnt 29.73%
    Cheesy 28.63%
    Meaty 27.37%
    Roasted 26.54%
    Nutty 26.44%
    Sweet 22.52%
    Ripe 22.12%

     

    Flavor
    Bitter 57.33%
    Animal 27.39%
    Roasted 25.74%
    Alkaline 23.55%
    Very strong 22.11%
    Indole 21.64%
    Cereal 21.63%
    Shrimp 21.0%
    Scallion 20.84%
    Fruity 20.66%

     

    Odor impact est.
    Low

  • Properties

    pKa est.
    4.73 (weak acid)

    Molecular weight
    233.13 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Ultra slow

    Boiling point est.
    341°C

    Flash point

    • 137.18 ˚C est.

  • Synonyms

    • 1-(2-Chlorophenyl)piperazine hydrochloride
    • 41202-32-8
    • 1-(2-Chlorophenyl)piperazine monohydrochloride
    • 1-(2-Chlorophenyl)piperazinium chloride
    • 1-(2-Chlorophenyl)piperazine HCl
    • 55974-33-9
    • MFCD00012761
    • 1-(2-chlorophenyl)piperazine;hydrochloride
    • 1-(2-Chlorophenyl)-piperazine hydrochloride
    • EINECS 255-262-0
    • Piperazine, 1-(2-chlorophenyl)-, monohydrochloride
    • 1-(o-Chlorophenyl)-piperazine hydrochloride hydrate
    • Piperazine, 1-(2-chlorophenyl)-, hydrochloride (1:1)
    • 1-(o-Chlorophenyl)piperazine hydrochloride
    • 1-(2-Chlorophenyl)piperazine, HCl
    • ortho-Chlorophenylpiperazine Hydrochloride; oCPP HCl
    • EINECS 259-929-7
    • 1-(o-Chlorophenyl)piperazine HCl
    • 1(2-Chlorophenyl)piperazine hydrochloride
    • TTN62J2MPD
    • SCHEMBL184663
    • DTXSID30961498
    • BCP04894
    • NSC71660
    • NSC-71660
    • 2-chlorophenyl piperazine hydrochloride
    • AKOS005259283
    • FC36602
    • LF-0566
    • AC-23378
    • SY020866
    • 1-(2-chloro-phenyl)piperazine hydrochloride
    • 1-(2-chlorophenyl)piperazine, hydrochloride
    • NS00087603
    • NS00088414
    • EN300-20137
    • N-(2-Chlorophenyl)piperazine monohydrochloride
    • O10263
    • 1-4-(2-Chlorophenyl)piperazine monohydrochloride
    • 1-(2-Chlorophenyl)piperazine monohydrochloride, 95%
    • ortho-Chlorophenylpiperazine Hydrochloride (oCPP HCl)
    • 1-(2-Chlorophenyl)piperazine--hydrogen chloride (1/1)
    • F2190-0346
    • Z104477032
    • ortho-Chlorophenylpiperazine Hydrochloride (oCPP HCl) 1.0 mg/ml in Methanol (as free base)
    • 255-262-0

  • Applications

    1-(2-Chlorophenyl)piperazinium chloride (CAS 41202-32-8) is commonly used as a synthetic building block in medicinal and organic chemistry. In pharmaceutical research, it provides an arylpiperazine-containing intermediate for the development of related drug leads and conjugates. In organic synthesis, the quaternary piperazinium salt can function as a cationic building block for salt formation, ion-pairing strategies, or as a phase-transfer catalyst in selected transformations. In materials and specialty chemicals, it may serve as a precursor for ionic liquids or cationic surfactant components, enabling niche solvents, coatings, or formulations. Because of its quaternary ammonium nature, it could be explored for antimicrobial surface applications under appropriate regulatory controls.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 43.41
    methanol 67.3
    isopropanol 22.47
    water 2.18
    ethyl acetate 46.78
    n-propanol 39.84
    acetone 68.39
    n-butanol 37.73
    acetonitrile 35.56
    DMF 197.8
    toluene 18.81
    isobutanol 32.65
    1,4-dioxane 99.64
    methyl acetate 40.81
    THF 131.11
    2-butanone 49.59
    n-pentanol 35.98
    sec-butanol 24.15
    n-hexane 0.95
    ethylene glycol 51.45
    NMP 224.5
    cyclohexane 4.16
    DMSO 413.04
    n-butyl acetate 45.47
    n-octanol 22.65
    chloroform 237.57
    n-propyl acetate 36.66
    acetic acid 127.15
    dichloromethane 252.47
    cyclohexanone 122.74
    propylene glycol 40.6
    isopropyl acetate 22.95
    DMAc 160.74
    2-ethoxyethanol 82.42
    isopentanol 31.9
    n-heptane 3.7
    ethyl formate 77.42
    1,2-dichloroethane 122.19
    n-hexanol 42.19
    2-methoxyethanol 116.94
    isobutyl acetate 26.56
    tetrachloromethane 29.87
    n-pentyl acetate 32.81
    transcutol 148.38
    n-heptanol 27.37
    ethylbenzene 11.6
    MIBK 22.26
    2-propoxyethanol 86.86
    tert-butanol 25.41
    MTBE 13.78
    2-butoxyethanol 56.89
    propionic acid 70.74
    o-xylene 18.99
    formic acid 74.07
    diethyl ether 16.94
    m-xylene 17.41
    p-xylene 15.96
    chlorobenzene 57.52
    dimethyl carbonate 30.83
    n-octane 2.04
    formamide 85.72
    cyclopentanone 162.37
    2-pentanone 38.69
    anisole 31.8
    cyclopentyl methyl ether 48.2
    gamma-butyrolactone 211.82
    1-methoxy-2-propanol 68.25
    pyridine 102.08
    3-pentanone 32.71
    furfural 223.05
    n-dodecane 2.15
    diethylene glycol 109.06
    diisopropyl ether 6.18
    tert-amyl alcohol 25.49
    acetylacetone 54.32
    n-hexadecane 2.45
    acetophenone 50.11
    methyl propionate 49.03
    isopentyl acetate 38.23
    trichloroethylene 254.94
    n-nonanol 21.66
    cyclohexanol 48.39
    benzyl alcohol 55.62
    2-ethylhexanol 29.77
    isooctanol 23.8
    dipropyl ether 24.29
    1,2-dichlorobenzene 61.21
    ethyl lactate 39.3
    propylene carbonate 126.77
    n-methylformamide 111.62
    2-pentanol 18.24
    n-pentane 1.48
    1-propoxy-2-propanol 56.57
    1-methoxy-2-propyl acetate 51.51
    2-(2-methoxypropoxy) propanol 48.85
    mesitylene 12.17
    ε-caprolactone 104.4
    p-cymene 17.8
    epichlorohydrin 185.87
    1,1,1-trichloroethane 69.7
    2-aminoethanol 54.97
    morpholine-4-carbaldehyde 173.88
    sulfolane 299.38
    2,2,4-trimethylpentane 2.18
    2-methyltetrahydrofuran 77.46
    n-hexyl acetate 35.85
    isooctane 1.4
    2-(2-butoxyethoxy)ethanol 66.44
    sec-butyl acetate 19.99
    tert-butyl acetate 22.65
    decalin 3.56
    glycerin 81.09
    diglyme 118.91
    acrylic acid 87.26
    isopropyl myristate 16.39
    n-butyric acid 87.87
    acetyl acetate 41.44
    di(2-ethylhexyl) phthalate 29.82
    ethyl propionate 29.3
    nitromethane 155.35
    1,2-diethoxyethane 42.19
    benzonitrile 63.5
    trioctyl phosphate 21.82
    1-bromopropane 38.93
    gamma-valerolactone 197.31
    n-decanol 17.78
    triethyl phosphate 28.87
    4-methyl-2-pentanol 13.24
    propionitrile 34.51
    vinylene carbonate 127.95
    1,1,2-trichlorotrifluoroethane 189.34
    DMS 39.39
    cumene 11.92
    2-octanol 16.85
    2-hexanone 32.42
    octyl acetate 23.61
    limonene 24.03
    1,2-dimethoxyethane 90.44
    ethyl orthosilicate 25.41
    tributyl phosphate 24.41
    diacetone alcohol 40.54
    N,N-dimethylaniline 29.71
    acrylonitrile 58.37
    aniline 52.28
    1,3-propanediol 62.22
    bromobenzene 53.8
    dibromomethane 130.96
    1,1,2,2-tetrachloroethane 185.23
    2-methyl-cyclohexyl acetate 38.67
    tetrabutyl urea 33.78
    diisobutyl methanol 16.4
    2-phenylethanol 53.58
    styrene 14.66
    dioctyl adipate 29.85
    dimethyl sulfate 70.65
    ethyl butyrate 37.28
    methyl lactate 52.18
    butyl lactate 40.21
    diethyl carbonate 31.43
    propanediol butyl ether 53.09
    triethyl orthoformate 31.72
    p-tert-butyltoluene 15.71
    methyl 4-tert-butylbenzoate 48.38
    morpholine 105.7
    tert-butylamine 13.84
    n-dodecanol 14.53
    dimethoxymethane 76.81
    ethylene carbonate 97.64
    cyrene 81.62
    2-ethoxyethyl acetate 49.95
    2-ethylhexyl acetate 32.51
    1,2,4-trichlorobenzene 79.12
    4-methylpyridine 76.8
    dibutyl ether 18.92
    2,6-dimethyl-4-heptanol 16.4
    DEF 67.2
    dimethyl isosorbide 85.5
    tetrachloroethylene 133.12
    eugenol 54.71
    triacetin 49.82
    span 80 48.62
    1,4-butanediol 42.81
    1,1-dichloroethane 74.84
    2-methyl-1-pentanol 33.03
    methyl formate 103.7
    2-methyl-1-butanol 32.97
    n-decane 3.05
    butyronitrile 40.63
    3,7-dimethyl-1-octanol 21.19
    1-chlorooctane 14.07
    1-chlorotetradecane 6.8
    n-nonane 2.67
    undecane 2.52
    tert-butylcyclohexane 3.11
    cyclooctane 2.01
    cyclopentanol 62.23
    tetrahydropyran 63.74
    tert-amyl methyl ether 16.46
    2,5,8-trioxanonane 90.97
    1-hexene 4.86
    2-isopropoxyethanol 50.85
    2,2,2-trifluoroethanol 71.25
    methyl butyrate 45.59

    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