Calcium nitrate

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  • Identifiers

    CAS number
    10124-37-5

    Molecular formula
    CaN2O6

    SMILES
    [N+](=O)([O-])[O-].[N+](=O)([O-])[O-].[Ca+2]

    Safety labels

    Oxidizer
    Oxidizer

    Corrosive
    Corrosive

    Irritant
    Irritant

  • Odor profile

    Fragrance
    Odorless 74.74%
    Sour 29.32%
    Sharp 21.61%
    Sweet 21.27%
    Buttery 16.6%
    Clean 16.13%
    Caramellic 16.12%
    Pungent 15.6%
    Fatty 15.56%
    Creamy 15.33%

     

    Flavor
    Odorless 70.03%
    Sour 29.84%
    Mild 23.41%
    Very mild 21.72%
    Formyl 21.11%
    Bland 20.7%
    Mousy 20.56%
    Faint 20.4%
    Yeast 20.09%
    Rotten 19.45%

     

    Odor impact est.
    Low

  • Properties

    pKa est.
    4.2 (weak acid)

    Molecular weight
    164.09 g/mol

    Melting point expt.

    • 1042 °F (USCG, 1999)
    • About 560 °C
    • 560 °C

    Flash point

    • 81.92 ˚C est.

    Solubility expt.

    • Very sol in water; freely sol in methanol, ethanol, acetone; almost insol in concn nitric acid
    • SOL IN ANHYD AMMONIA; IN ALCOHOL 14 G/100 CC @ 15 °C
    • Soluble in acetone; insoluble in ethanol
    • Solubility in water, g/100ml: 121.2

  • Synonyms

    • CALCIUM NITRATE
    • 10124-37-5
    • Calcium dinitrate
    • Lime nitrate
    • Nitric acid, calcium salt
    • Norwegian saltpeter
    • Norge saltpeter
    • Lime saltpeter
    • Calcium saltpeter
    • Synfat 1006
    • Calcium(II) nitrate (1:2)
    • Saltpeter [Norway]
    • NF52F38N1N
    • DTXSID1039719
    • Nitric acid calcium salt (2:1)
    • anhydrous calcium nitrate
    • Nitric acid, calcium salt (2:1)
    • DTXCID9019719
    • CHEBI:64205
    • SALTPETER (NORWAY)
    • RefChem:573530
    • 233-332-1
    • calcium;dinitrate
    • Nitrocalcite
    • 10124-37-5(anhydrous); 13477-34-4(tetrahydrate)
    • HSDB 967
    • CaN2O6
    • EINECS 233-332-1
    • UN1454
    • UNII-NF52F38N1N
    • calcium nitrate salt
    • EC 233-332-1
    • Ca(NO3)2
    • SCHEMBL21307
    • CALCIUM NITRATE [MI]
    • CALCIUM NITRATE [HSDB]
    • CHEMBL3183960
    • Tox21_300814
    • MFCD00010899
    • AKOS015913857
    • Calcium nitrate, containing in the anhydrous state more than 16 per cent by weight of nitrogen
    • Calcium nitrate [UN1454] [Oxidizer]
    • NCGC00248379-01
    • NCGC00254718-01
    • CAS-10124-37-5
    • NS00093508
    • Q407392
    • 10124-37-5(anhydrous)13477-34-4(tetrahydrate)
    • Calcium standard for AAS, analytical standard, ready-to-use, traceable to BAM, in nitric acid
    • 10124-37-5

  • Applications

    Calcium nitrate (CAS 10124-37-5) is widely used as a fertilizer providing calcium and nitrate nitrogen to crops, including applications in greenhouse farming and hydroponics; in the construction industry, it acts as a set accelerator for concrete in cold weather to shorten curing times; aqueous calcium nitrate solutions are used for dust suppression and road stabilization at mining sites and on unpaved road networks; in wastewater treatment, calcium nitrate serves as an inorganic nitrogen source to support denitrification and nutrient management.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 78.75
    methanol 136.42
    isopropanol 66.62
    water 85.89
    ethyl acetate 17.5
    n-propanol 51.1
    acetone 62.87
    n-butanol 41.08
    acetonitrile 36.96
    DMF 370.01
    toluene 5.29
    isobutanol 34.99
    1,4-dioxane 54.38
    methyl acetate 29.28
    THF 81.53
    2-butanone 32.69
    n-pentanol 27.02
    sec-butanol 42.69
    n-hexane 2.92
    ethylene glycol 80.32
    NMP 160.55
    cyclohexane 3.13
    DMSO 356.82
    n-butyl acetate 10.66
    n-octanol 15.22
    chloroform 6.45
    n-propyl acetate 12.05
    acetic acid 50.27
    dichloromethane 12.15
    cyclohexanone 26.23
    propylene glycol 53.97
    isopropyl acetate 12.05
    DMAc 242.18
    2-ethoxyethanol 59.88
    isopentanol 32.38
    n-heptane 3.25
    ethyl formate 27.71
    1,2-dichloroethane 15.55
    n-hexanol 18.52
    2-methoxyethanol 124.23
    isobutyl acetate 6.08
    tetrachloromethane 2.69
    n-pentyl acetate 10.7
    transcutol 51.46
    n-heptanol 14.77
    ethylbenzene 3.27
    MIBK 15.64
    2-propoxyethanol 44.56
    tert-butanol 80.58
    MTBE 33.26
    2-butoxyethanol 30.24
    propionic acid 34.75
    o-xylene 6.9
    formic acid 90.52
    diethyl ether 30.35
    m-xylene 5.47
    p-xylene 4.01
    chlorobenzene 4.21
    dimethyl carbonate 27.92
    n-octane 1.68
    formamide 116.66
    cyclopentanone 42.58
    2-pentanone 24.65
    anisole 12.34
    cyclopentyl methyl ether 26.35
    gamma-butyrolactone 50.09
    1-methoxy-2-propanol 82.61
    pyridine 27.88
    3-pentanone 19.78
    furfural 48.79
    n-dodecane 1.54
    diethylene glycol 57.77
    diisopropyl ether 8.25
    tert-amyl alcohol 51.89
    acetylacetone 22.5
    n-hexadecane 1.58
    acetophenone 13.38
    methyl propionate 27.97
    isopentyl acetate 9.14
    trichloroethylene 11.85
    n-nonanol 13.61
    cyclohexanol 23.67
    benzyl alcohol 15.98
    2-ethylhexanol 9.89
    isooctanol 11.19
    dipropyl ether 13.79
    1,2-dichlorobenzene 4.3
    ethyl lactate 16.4
    propylene carbonate 22.2
    n-methylformamide 121.84
    2-pentanol 28.18
    n-pentane 5.13
    1-propoxy-2-propanol 29.99
    1-methoxy-2-propyl acetate 15.78
    2-(2-methoxypropoxy) propanol 28.52
    mesitylene 4.35
    ε-caprolactone 24.01
    p-cymene 4.02
    epichlorohydrin 41.84
    1,1,1-trichloroethane 5.37
    2-aminoethanol 80.14
    morpholine-4-carbaldehyde 111.58
    sulfolane 84.27
    2,2,4-trimethylpentane 2.41
    2-methyltetrahydrofuran 39.32
    n-hexyl acetate 13.11
    isooctane 1.75
    2-(2-butoxyethoxy)ethanol 34.34
    sec-butyl acetate 7.23
    tert-butyl acetate 14.07
    decalin 1.44
    glycerin 83.94
    diglyme 55.96
    acrylic acid 39.54
    isopropyl myristate 7.35
    n-butyric acid 26.91
    acetyl acetate 9.2
    di(2-ethylhexyl) phthalate 9.81
    ethyl propionate 12.72
    nitromethane 78.05
    1,2-diethoxyethane 16.55
    benzonitrile 10.61
    trioctyl phosphate 8.57
    1-bromopropane 10.5
    gamma-valerolactone 57.55
    n-decanol 11.12
    triethyl phosphate 8.64
    4-methyl-2-pentanol 15.73
    propionitrile 25.22
    vinylene carbonate 20.89
    1,1,2-trichlorotrifluoroethane 44.79
    DMS 12.72
    cumene 3.3
    2-octanol 11.05
    2-hexanone 14.96
    octyl acetate 10.3
    limonene 6.04
    1,2-dimethoxyethane 82.37
    ethyl orthosilicate 8.09
    tributyl phosphate 8.33
    diacetone alcohol 30.25
    N,N-dimethylaniline 15.63
    acrylonitrile 34.49
    aniline 15.06
    1,3-propanediol 68.9
    bromobenzene 2.54
    dibromomethane 8.62
    1,1,2,2-tetrachloroethane 13.48
    2-methyl-cyclohexyl acetate 8.43
    tetrabutyl urea 15.37
    diisobutyl methanol 7.9
    2-phenylethanol 12.44
    styrene 3.62
    dioctyl adipate 10.87
    dimethyl sulfate 53.52
    ethyl butyrate 10.29
    methyl lactate 35.93
    butyl lactate 13.54
    diethyl carbonate 7.95
    propanediol butyl ether 30.1
    triethyl orthoformate 9.65
    p-tert-butyltoluene 4.27
    methyl 4-tert-butylbenzoate 19.63
    morpholine 71.5
    tert-butylamine 40.97
    n-dodecanol 9.08
    dimethoxymethane 109.63
    ethylene carbonate 17.93
    cyrene 28.12
    2-ethoxyethyl acetate 14.71
    2-ethylhexyl acetate 7.21
    1,2,4-trichlorobenzene 5.53
    4-methylpyridine 24.4
    dibutyl ether 9.33
    2,6-dimethyl-4-heptanol 7.9
    DEF 55.15
    dimethyl isosorbide 30.93
    tetrachloroethylene 9.94
    eugenol 22.4
    triacetin 14.0
    span 80 22.54
    1,4-butanediol 33.85
    1,1-dichloroethane 9.05
    2-methyl-1-pentanol 19.68
    methyl formate 80.13
    2-methyl-1-butanol 29.61
    n-decane 2.09
    butyronitrile 21.79
    3,7-dimethyl-1-octanol 11.39
    1-chlorooctane 5.02
    1-chlorotetradecane 2.9
    n-nonane 1.99
    undecane 1.76
    tert-butylcyclohexane 1.5
    cyclooctane 1.61
    cyclopentanol 35.1
    tetrahydropyran 31.21
    tert-amyl methyl ether 29.08
    2,5,8-trioxanonane 45.44
    1-hexene 6.64
    2-isopropoxyethanol 34.75
    2,2,2-trifluoroethanol 34.49
    methyl butyrate 17.54

    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