Trisodium phosphate

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  • Identifiers

    CAS number
    7601-54-9

    Molecular formula
    Na3O4P

    SMILES
    [O-]P(=O)([O-])[O-].[Na+].[Na+].[Na+]

  • Odor profile

    Odorless 95.52%
    Bitter 14.56%
    Clean 11.44%
    Sharp 11.12%
    Sour 9.58%
    Animal 8.85%
    Sweaty 8.68%
    Malty 8.42%
    Fishy 8.34%
    Pungent 7.61%

    Scent© AI

  • Properties

    Molecular weight
    163.941 g/mol

    Flash point est.
    284.46 ˚C

    Solubility expt.

    • Freely soluble in water. Insoluble in ethanol
    • Solubility in water, g/l at 20 °C: 121 (good)

  • Synonyms

    • TRISODIUM PHOSPHATE
    • Sodium phosphate
    • 7601-54-9
    • Sodium orthophosphate
    • Sodium phosphate tribasic
    • Trisodium orthophosphate
    • Tribasic sodium phosphate
    • Phosphoric acid, trisodium salt
    • Sodium phosphate, anhydrous
    • trisodium;phosphate
    • Phosphoric acid trisodium salt
    • sodiumphosphate
    • Trisodium phosphate anhydrous
    • Trinatriumphosphat
    • Tertiary sodium phosphate
    • Sodium phosphate (Na3PO4)
    • sodium monophosphate
    • Tri-Sodium Phosphate
    • sodium;phosphoric acid
    • Tribasic sodium-phosphate
    • MFCD00003510
    • SX01TZO3QZ
    • 65185-91-3
    • Phosphoric acid, sodium salt (2:3)
    • Sodium phosphate (tribasic)
    • INS-339(III)
    • SODIUM PHOSPHATE, TRIBASIC, ANHYDROUS
    • CHEBI:37583
    • E-339(III)
    • Sodium orthohosphate
    • Phosphoric acid, sodium salt (1:3)
    • NSC-215202
    • Oakite
    • Nutrifos STP
    • Caswell No. 898
    • Sodium phosphate (VAN)
    • Emulsiphos 440/660
    • Trinatriumphosphat [German]
    • Sodium phosphate, tribasic; Sodium tertiary phosphate; Tribasic sodium orthophosphate; Tribasic sodium phosphate; Trisodium orthophosphate
    • Sodium orthophosphate, tertiary
    • Sodium orthophosphate, tribasic
    • CCRIS 7086
    • HSDB 583
    • Trisodium trihydrogen bis(phosphate)
    • EINECS 231-509-8
    • UNII-SX01TZO3QZ
    • EPA Pesticide Chemical Code 076406
    • NSC 215202
    • sodium phophate
    • EINECS 265-604-0
    • EINECS 268-603-3
    • Na3O4P
    • Sodium phosphate, 96%
    • Sodium phosphate,tribasic
    • EC 231-509-8
    • Phosphoric acid, sodiumsalt
    • 96337-98-3
    • Monosodium phosphate disodium phosphate double salt
    • INS NO.339(III)
    • DTXSID2035223
    • Sodium phosphate, tribasic (NF)
    • TRISODIUM PHOSPHATE [HSDB]
    • Sodium phosphate, AR, >=95.5%
    • AKOS028109702
    • FS31176
    • Sodium phosphate tribasic, p.a., 97%
    • SODIUM PHOSPHATE, TRIBASIC [MI]
    • SODIUM PHOSPHATE,TRIBASIC [VANDF]
    • BP-30114
    • SODIUM PHOSPHATE TRIBASIC [WHO-DD]
    • Trisodium phosphate anhydrous NF/FCC grade
    • SODIUM PHOSPHATE, TRIBASIC ANHYDROUS
    • NS00074384
    • O0586
    • D09000
    • D78139
    • Sodium phosphate, SAJ first grade, >=97.0%
    • Q409501
    • SODIUM PHOSPHATE, TRIBASIC, ANHYDROUS [II]
    • Trisodium phosphate;Phosphoric acid trisodium salt;Sodium orthophosphate
    • 231-509-8

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 32.91
    methanol 70.03
    isopropanol 14.6
    water 168.5
    ethyl acetate 5.05
    n-propanol 14.83
    acetone 15.48
    n-butanol 9.8
    acetonitrile 6.86
    DMF 97.91
    toluene 1.3
    isobutanol 6.41
    1,4-dioxane 12.86
    methyl acetate 6.57
    THF 32.26
    2-butanone 6.24
    n-pentanol 6.34
    sec-butanol 7.74
    n-hexane 0.92
    ethylene glycol 66.37
    NMP 70.1
    cyclohexane 1.1
    DMSO 166.69
    n-butyl acetate 5.14
    n-octanol 5.35
    chloroform 3.05
    n-propyl acetate 3.92
    acetic acid 21.38
    dichloromethane 4.63
    cyclohexanone 5.45
    propylene glycol 29.66
    isopropyl acetate 3.37
    DMAc 82.46
    2-ethoxyethanol 38.16
    isopentanol 5.64
    n-heptane 1.51
    ethyl formate 10.74
    1,2-dichloroethane 5.01
    n-hexanol 8.92
    2-methoxyethanol 86.68
    isobutyl acetate 1.51
    tetrachloromethane 1.84
    n-pentyl acetate 4.91
    transcutol 24.25
    n-heptanol 8.19
    ethylbenzene 1.07
    MIBK 3.17
    2-propoxyethanol 37.32
    tert-butanol 12.21
    MTBE 3.44
    2-butoxyethanol 22.77
    propionic acid 13.38
    o-xylene 1.93
    formic acid 76.95
    diethyl ether 6.66
    m-xylene 1.5
    p-xylene 1.12
    chlorobenzene 0.85
    dimethyl carbonate 10.75
    n-octane 0.85
    formamide 103.04
    cyclopentanone 12.95
    2-pentanone 5.34
    anisole 3.21
    cyclopentyl methyl ether 7.74
    gamma-butyrolactone 25.13
    1-methoxy-2-propanol 47.29
    pyridine 6.12
    3-pentanone 4.28
    furfural 26.24
    n-dodecane 0.48
    diethylene glycol 65.06
    diisopropyl ether 1.72
    tert-amyl alcohol 8.05
    acetylacetone 7.89
    n-hexadecane 0.51
    acetophenone 4.61
    methyl propionate 8.6
    isopentyl acetate 3.51
    trichloroethylene 4.01
    n-nonanol 5.13
    cyclohexanol 4.57
    benzyl alcohol 5.72
    2-ethylhexanol 4.08
    isooctanol 4.98
    dipropyl ether 4.96
    1,2-dichlorobenzene 1.31
    ethyl lactate 11.1
    propylene carbonate 11.51
    n-methylformamide 51.82
    2-pentanol 5.11
    n-pentane 1.4
    1-propoxy-2-propanol 20.3
    1-methoxy-2-propyl acetate 9.77
    2-(2-methoxypropoxy) propanol 15.15
    mesitylene 1.42
    ε-caprolactone 7.89
    p-cymene 1.83
    epichlorohydrin 17.64
    1,1,1-trichloroethane 1.4
    2-aminoethanol 48.43
    morpholine-4-carbaldehyde 47.43
    sulfolane 48.41
    2,2,4-trimethylpentane 0.38
    2-methyltetrahydrofuran 9.64
    n-hexyl acetate 4.84
    isooctane 0.26
    2-(2-butoxyethoxy)ethanol 18.17
    sec-butyl acetate 1.84
    tert-butyl acetate 3.89
    decalin 0.39
    glycerin 77.42
    diglyme 28.4
    acrylic acid 16.97
    isopropyl myristate 2.29
    n-butyric acid 9.88
    acetyl acetate 3.41
    di(2-ethylhexyl) phthalate 4.75
    ethyl propionate 3.97
    nitromethane 33.13
    1,2-diethoxyethane 6.5
    benzonitrile 2.55
    trioctyl phosphate 4.63
    1-bromopropane 2.44
    gamma-valerolactone 23.89
    n-decanol 4.12
    triethyl phosphate 4.98
    4-methyl-2-pentanol 2.82
    propionitrile 4.12
    vinylene carbonate 9.41
    1,1,2-trichlorotrifluoroethane 26.95
    DMS 5.88
    cumene 1.07
    2-octanol 4.37
    2-hexanone 3.28
    octyl acetate 3.88
    limonene 2.12
    1,2-dimethoxyethane 33.32
    ethyl orthosilicate 4.33
    tributyl phosphate 3.97
    diacetone alcohol 11.7
    N,N-dimethylaniline 4.89
    acrylonitrile 6.89
    aniline 4.2
    1,3-propanediol 41.93
    bromobenzene 0.6
    dibromomethane 3.12
    1,1,2,2-tetrachloroethane 5.24
    2-methyl-cyclohexyl acetate 4.22
    tetrabutyl urea 6.89
    diisobutyl methanol 2.61
    2-phenylethanol 7.04
    styrene 0.95
    dioctyl adipate 4.25
    dimethyl sulfate 25.15
    ethyl butyrate 4.39
    methyl lactate 22.95
    butyl lactate 10.05
    diethyl carbonate 3.95
    propanediol butyl ether 18.07
    triethyl orthoformate 4.72
    p-tert-butyltoluene 1.88
    methyl 4-tert-butylbenzoate 9.65
    morpholine 20.19
    tert-butylamine 5.96
    n-dodecanol 3.15
    dimethoxymethane 48.72
    ethylene carbonate 7.29
    cyrene 20.68
    2-ethoxyethyl acetate 8.34
    2-ethylhexyl acetate 2.83
    1,2,4-trichlorobenzene 1.89
    4-methylpyridine 4.23
    dibutyl ether 2.31
    2,6-dimethyl-4-heptanol 2.61
    DEF 14.76
    dimethyl isosorbide 21.52
    tetrachloroethylene 5.73
    eugenol 14.69
    triacetin 7.75
    span 80 12.05
    1,4-butanediol 19.79
    1,1-dichloroethane 1.79
    2-methyl-1-pentanol 3.56
    methyl formate 37.94
    2-methyl-1-butanol 5.2
    n-decane 0.74
    butyronitrile 3.65
    3,7-dimethyl-1-octanol 3.08
    1-chlorooctane 1.64
    1-chlorotetradecane 0.84
    n-nonane 0.74
    undecane 0.58
    tert-butylcyclohexane 0.34
    cyclooctane 0.68
    cyclopentanol 9.53
    tetrahydropyran 5.35
    tert-amyl methyl ether 3.77
    2,5,8-trioxanonane 23.29
    1-hexene 1.42
    2-isopropoxyethanol 17.11
    2,2,2-trifluoroethanol 24.82
    methyl butyrate 5.07

    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