Corundum

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  • Identifiers

    CAS number
    1302-74-5

    Molecular formula
    Al2O3

    SMILES
    O=[Al]O[Al]=O

    Safety labels

    Health Hazard
    Health

  • Odor profile

    Odorless 67.6%
    Pungent 28.64%
    Sharp 26.59%
    Ethereal 25.24%
    Sour 24.05%
    Fruity 23.86%
    Burnt 21.45%
    Winey 17.69%
    Sulfurous 17.39%
    Fermented 16.25%

    Scent© AI

  • Properties

    Molecular weight
    101.961 g/mol

    Flash point est.
    -58.98 ˚C

  • Synonyms

    • Alumina
    • Emery
    • Corundum
    • 1302-74-5
    • Korund
    • alpha-Corundum
    • oxo(oxoalumanyloxy)alumane
    • Abramant F 36
    • Abramax F 46
    • Abramax F 54
    • Sapphire
    • Corundum (Al2O3)
    • Sapphire (Al2O3)
    • 12415-34-8
    • EKF 100
    • KER 710
    • KU 10
    • NK 63
    • FN 237
    • KU 5-3
    • Aluminum oxide, alpha-phase
    • Electrocorundum
    • Aluminum oxide, alpha
    • Aluminum oxide, gamma
    • Aluminium Oxide; Alumina
    • Aluminum oxide, gamma-alpha
    • Aluminum oxide, catalyst support
    • MP 1 (Refractory)
    • Dural F 30
    • Corindon
    • Impure corundum
    • Aluminum oxide, fused, insulating powder
    • KO 7
    • Aluminum oxide, neutral, HPLC Flash Grade
    • Natural aluminum oxide
    • Aluminum Oxide (Activated, Basic, Brockmann I)
    • Aluminum Oxide (Activated, Neutral, Brockmann I)
    • Saphir
    • sapphire powder
    • Rubin
    • Rubis
    • Aluminum oxide, CP
    • Anti-bumping granules
    • Aluminum oxide, cement
    • Aluminum oxide, puriss.
    • gamma-Alumina, low soda
    • Aluminum oxide 90 acidic
    • Aluminum oxide, Type A-5
    • Aluminum oxide, Puratronic?
    • Aluminum oxide, 1-5 micron
    • Aluminum oxide, Type CG-20
    • Aluminum oxide, pellets, 3 mm
    • Aluminum oxide 90 active basic
    • CHEMBL4594252
    • gamma-Alumina, 1/16' spheres
    • Aluminum oxide desiccant, regular
    • DTXSID00894289
    • DTXSID60108798
    • Aluminum oxide, for chromatography
    • Aluminum oxide, powder, ultra dry
    • Aluminum oxide, Type WA-4: Acid
    • Aluminum oxide, Type WA-7: Acid
    • Aluminum oxide, Type WB-5: Basic
    • MFCD00211795
    • MFCD07370730
    • Aluminum oxide, Type WN-9: Neutral
    • AKOS015903822
    • Aluminum oxide, -100, +325 mesh
    • 12174-49-1
    • Aluminum oxide, 5 mum mean particle size
    • Aluminum oxide, basic, HPLC Flash Grade
    • BP-31011
    • Aluminum oxide, acidic, HPLC Flash Grade
    • Aluminum oxide, Grade H-152, 1/8 in.
    • Aluminum oxide, calcined, insulating powder
    • Aluminum oxide (alpha) powder, 99.9% Nano
    • Aluminum oxide, catalyst support, low silica
    • Aluminum oxide Corundum, a-phase, -100 mesh
    • Aluminum Oxide Powder (alpha), 99.9% Nano
    • Aluminum oxide, 99.997% trace metals basis
    • Aluminum oxide (gamma) Powder, 99.97% Nano
    • Aluminum oxide, polishing compound, 2oz (57g)
    • Aluminum oxide, puriss., >=98% Al2O3 basis
    • Aluminum oxide, SAJ special grade, >=98.0%
    • Aluminum oxide, pore size 58 ??, ~150 mesh
    • Alumina, NIST(R) SRM(R) 699, reduction grade
    • Alumina, NIST(R) SRM(R) 742, reference point
    • Aluminum oxide, 20% in H2O, colloidal dispersion
    • Aluminum oxide, catalyst support, low surface area
    • Aluminum oxide, Corundum, alpha-phase, -100 mesh
    • Aluminum oxide, powder, 99.99% trace metals basis
    • Aluminum oxide, nanopowder, <50 nm particle size (TEM)
    • Aluminum oxide, basic, for TLC, 5-15 Micron APS Powder
    • Aluminum oxide, nanofiber, diam. x L <20 nm x 100 mum
    • Aluminum oxide, Type WN-6 Neutral, Activity Grade Super I
    • Aluminum oxide, 99.3%, < 325 mesh, d 50 5 - 7 micron
    • Aluminum oxide, nanowires, diam. x L 2-6 nm x 200-400 nm
    • Aluminum oxide, single crystal substrate, <0001>
    • Aluminum oxide, Type WN-6, Neutral, Activity Grade Super I
    • Aluminum oxide substrate, 10x10x0.5mm, polished one side, A plane
    • Aluminum oxide, alpha, catalyst support, low surface area, trimodal
    • Aluminum oxide, fused, powder, primarily alpha-phase, -325 mesh
    • Aluminum oxide, fused, powder, primarily alpha-phase, 100-200 mesh
    • Aluminum oxide, gamma, catalyst support, high surface area, bimodal
    • Inhibitor removers, Prepacked column, for removing tert-butylcatechol
    • Aluminum oxide, calcined, powder, primarily alpha-phase, 100-325 mesh
    • Aluminum oxide, catalyst support, intermediate surface area (low SiO2)
    • Aluminum oxide, mesoporous, MSU-X (wormhole), average pore size 3.8 nm
    • Inhibitor removers, replacement packing, for removing tert-butylcatechol
    • Aluminum oxide, nanopowder, 13 nm primary particle size (TEM), 99.8% trace metals basis
    • 39378-42-2
    • 603-397-4
    • 638-887-7
    • 682-228-6
    • Aluminum oxide 90 active neutral, (activity stage I) for column chromatography 0.063-0.200 mm (70 - 230 mesh ASTM)
    • Aluminum oxide, powder, primarily alpha phase, <=10 mum avg. part. size, 99.5% trace metals basis
    • Inhibitor removers, Prepacked column for removing hydroquinone and monomethyl ether hydroquinone
    • Inhibitor removers, replacement packing for removing hydroquinone and monomethyl ether hydroquinone
    • Sapphire substrate, 50.8mm dia x 0.332mm thick, EPI polished one side, C-axis, HEMCOR single crystal
    • Sapphire substrate, 50.8mm dia x 0.332mm thick, EPI polished two sides, C-axis, HEMCOR single crystal
    • Sapphire substrate, 50.8mm dia x 0.432mm thick, EPI polished one side, C-axis, HEMCOR single crystal

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 957.93
    methanol 1211.91
    isopropanol 810.1
    water 333.24
    ethyl acetate 237.96
    n-propanol 635.46
    acetone 522.45
    n-butanol 542.07
    acetonitrile 353.24
    DMF 1110.8
    toluene 110.74
    isobutanol 426.04
    1,4-dioxane 542.9
    methyl acetate 266.36
    THF 998.57
    2-butanone 308.51
    n-pentanol 357.47
    sec-butanol 551.05
    n-hexane 91.13
    ethylene glycol 636.21
    NMP 539.0
    cyclohexane 73.18
    DMSO 722.18
    n-butyl acetate 114.03
    n-octanol 202.33
    chloroform 364.85
    n-propyl acetate 162.64
    acetic acid 433.05
    dichloromethane 308.19
    cyclohexanone 227.7
    propylene glycol 654.09
    isopropyl acetate 175.54
    DMAc 681.64
    2-ethoxyethanol 621.63
    isopentanol 378.75
    n-heptane 72.17
    ethyl formate 219.61
    1,2-dichloroethane 216.35
    n-hexanol 304.95
    2-methoxyethanol 1174.77
    isobutyl acetate 107.49
    tetrachloromethane 132.89
    n-pentyl acetate 116.87
    transcutol 515.69
    n-heptanol 222.06
    ethylbenzene 69.99
    MIBK 201.7
    2-propoxyethanol 600.38
    tert-butanol 758.1
    MTBE 352.21
    2-butoxyethanol 364.94
    propionic acid 303.97
    o-xylene 93.9
    formic acid 436.13
    diethyl ether 438.67
    m-xylene 100.59
    p-xylene 76.32
    chlorobenzene 86.83
    dimethyl carbonate 224.28
    n-octane 35.78
    formamide 611.04
    cyclopentanone 400.46
    2-pentanone 288.04
    anisole 184.9
    cyclopentyl methyl ether 421.64
    gamma-butyrolactone 376.42
    1-methoxy-2-propanol 972.81
    pyridine 238.53
    3-pentanone 211.26
    furfural 286.07
    n-dodecane 29.27
    diethylene glycol 606.69
    diisopropyl ether 155.79
    tert-amyl alcohol 502.26
    acetylacetone 241.92
    n-hexadecane 29.76
    acetophenone 131.2
    methyl propionate 278.41
    isopentyl acetate 94.75
    trichloroethylene 241.81
    n-nonanol 173.14
    cyclohexanol 327.17
    benzyl alcohol 164.77
    2-ethylhexanol 144.21
    isooctanol 155.09
    dipropyl ether 217.53
    1,2-dichlorobenzene 81.78
    ethyl lactate 178.64
    propylene carbonate 184.62
    n-methylformamide 611.68
    2-pentanol 420.85
    n-pentane 131.32
    1-propoxy-2-propanol 376.66
    1-methoxy-2-propyl acetate 176.63
    2-(2-methoxypropoxy) propanol 221.03
    mesitylene 75.3
    ε-caprolactone 202.02
    p-cymene 56.44
    epichlorohydrin 412.29
    1,1,1-trichloroethane 192.98
    2-aminoethanol 784.79
    morpholine-4-carbaldehyde 542.79
    sulfolane 383.77
    2,2,4-trimethylpentane 53.02
    2-methyltetrahydrofuran 501.28
    n-hexyl acetate 158.07
    isooctane 48.87
    2-(2-butoxyethoxy)ethanol 306.86
    sec-butyl acetate 122.35
    tert-butyl acetate 202.63
    decalin 39.7
    glycerin 739.37
    diglyme 463.98
    acrylic acid 269.82
    isopropyl myristate 82.9
    n-butyric acid 294.33
    acetyl acetate 134.48
    di(2-ethylhexyl) phthalate 74.71
    ethyl propionate 187.54
    nitromethane 496.97
    1,2-diethoxyethane 175.23
    benzonitrile 112.23
    trioctyl phosphate 74.07
    1-bromopropane 184.91
    gamma-valerolactone 404.82
    n-decanol 134.51
    triethyl phosphate 77.69
    4-methyl-2-pentanol 236.65
    propionitrile 268.19
    vinylene carbonate 151.77
    1,1,2-trichlorotrifluoroethane 361.83
    DMS 108.43
    cumene 64.24
    2-octanol 160.94
    2-hexanone 187.22
    octyl acetate 107.0
    limonene 78.62
    1,2-dimethoxyethane 580.8
    ethyl orthosilicate 84.13
    tributyl phosphate 67.11
    diacetone alcohol 331.14
    N,N-dimethylaniline 175.54
    acrylonitrile 281.0
    aniline 200.0
    1,3-propanediol 705.34
    bromobenzene 72.22
    dibromomethane 229.61
    1,1,2,2-tetrachloroethane 247.68
    2-methyl-cyclohexyl acetate 96.49
    tetrabutyl urea 98.77
    diisobutyl methanol 102.71
    2-phenylethanol 153.97
    styrene 79.82
    dioctyl adipate 97.34
    dimethyl sulfate 265.85
    ethyl butyrate 115.45
    methyl lactate 300.99
    butyl lactate 129.56
    diethyl carbonate 84.26
    propanediol butyl ether 334.85
    triethyl orthoformate 105.11
    p-tert-butyltoluene 66.27
    methyl 4-tert-butylbenzoate 163.7
    morpholine 710.43
    tert-butylamine 516.47
    n-dodecanol 107.8
    dimethoxymethane 841.88
    ethylene carbonate 143.01
    cyrene 229.77
    2-ethoxyethyl acetate 133.62
    2-ethylhexyl acetate 74.77
    1,2,4-trichlorobenzene 104.63
    4-methylpyridine 204.1
    dibutyl ether 122.02
    2,6-dimethyl-4-heptanol 102.71
    DEF 349.98
    dimethyl isosorbide 285.89
    tetrachloroethylene 176.2
    eugenol 198.61
    triacetin 129.85
    span 80 209.43
    1,4-butanediol 334.4
    1,1-dichloroethane 232.15
    2-methyl-1-pentanol 239.39
    methyl formate 393.96
    2-methyl-1-butanol 361.69
    n-decane 42.38
    butyronitrile 258.79
    3,7-dimethyl-1-octanol 136.79
    1-chlorooctane 90.02
    1-chlorotetradecane 48.97
    n-nonane 42.81
    undecane 33.87
    tert-butylcyclohexane 48.22
    cyclooctane 39.61
    cyclopentanol 483.18
    tetrahydropyran 434.62
    tert-amyl methyl ether 312.74
    2,5,8-trioxanonane 335.03
    1-hexene 159.08
    2-isopropoxyethanol 399.39
    2,2,2-trifluoroethanol 272.71
    methyl butyrate 196.64

    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