Dibromodifluoromethane

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  • Identifiers

    CAS number
    75-61-6

    Molecular formula
    CBr2F2

    SMILES
    C(F)(F)(Br)Br

    Safety labels

    Irritant
    Irritant

  • Odor profile

    Odorless 42.73%
    Fishy 26.32%
    Sweet 21.94%
    Meaty 21.58%
    Ripe 18.9%
    Sulfurous 18.65%
    Green 18.47%
    Fresh 17.79%
    Savory 17.48%
    Earthy 16.39%

    Scent© AI

  • Properties

    XLogP3-AA
    2.6

    pKa est.
    2.08 (strong acid)

    Molecular weight
    209.82 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Ultra fast

    Melting point expt.

    • -231 °F (NIOSH, 2024)
    • -110.1 °C
    • -101.1 °C
    • -231 °F

    Boiling point

    • 76 °F at 760 mmHg (NIOSH, 2024)
    • 25 °C @ 760 mm Hg
    • 22.8 °C
    • 76 °F

    Flash point est.
    -5.28 ˚C

    Solubility expt.

    • Insoluble (NIOSH, 2024)
    • Sol in ether, acetone, benzene, and water.
    • Sol in methanol; insol in water
    • Solubility in water: none
    • Insoluble

  • Synonyms

    • DIBROMODIFLUOROMETHANE
    • 75-61-6
    • Difluorodibromomethane
    • Halon 1202
    • Methane, dibromodifluoro-
    • dibromo(difluoro)methane
    • Freon 12-B2
    • Fluorocarbon 12-B2
    • UN1941
    • CF2Br2
    • HSDB 1335
    • Carbon dibromide difluoride
    • EINECS 200-885-5
    • R 12B2
    • BRN 1732515
    • 82022727JD
    • DTXSID9058789
    • 4-01-00-00080 (Beilstein Handbook Reference)
    • DIFLUORODIBROMOMETHANE [HSDB]
    • CARBON BROMIDE FLUORIDE (CBR2F2)
    • CBr2F2
    • UNII-82022727JD
    • Fluorocarbon 12B2
    • dibromo difluoromethane
    • Freon12B2
    • Halon1202
    • dibromo-difluoro-methane
    • Methane, dibromodifluoro
    • FREON 12B2
    • SCHEMBL102197
    • Dibromodifluoromethane, R12B2
    • CHEMBL499553
    • DTXCID6047737
    • REFRIGERANT GAS R-12B2
    • AZSZCFSOHXEJQE-UHFFFAOYSA-
    • bis(bromanyl)-bis(fluoranyl)methane
    • Difluorodibromomethane (ACGIH:OSHA)
    • MFCD00000367
    • AKOS005063439
    • UN 1941
    • Dibromodifluoromethane, >=95.0% (GC)
    • InChI=1/CBr2F2/c2-1(3,4)5
    • DB-001346
    • NS00041127
    • A838465
    • Q905027
    • Dibromodifluoromethane, R12B2 [UN1941] [Class 9]
    • F1905-7209
    • 200-885-5

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 176.42
    methanol 242.98
    isopropanol 153.25
    water 71.74
    ethyl acetate 112.52
    n-propanol 135.87
    acetone 252.34
    n-butanol 120.15
    acetonitrile 149.55
    DMF 547.63
    toluene 72.29
    isobutanol 103.76
    1,4-dioxane 210.0
    methyl acetate 119.61
    THF 348.74
    2-butanone 154.6
    n-pentanol 103.9
    sec-butanol 126.61
    n-hexane 46.09
    ethylene glycol 138.23
    NMP 467.88
    cyclohexane 55.75
    DMSO 696.84
    n-butyl acetate 87.42
    n-octanol 94.69
    chloroform 133.95
    n-propyl acetate 101.6
    acetic acid 150.89
    dichloromethane 155.39
    cyclohexanone 160.09
    propylene glycol 91.14
    isopropyl acetate 100.01
    DMAc 445.71
    2-ethoxyethanol 216.08
    isopentanol 102.66
    n-heptane 60.15
    ethyl formate 98.88
    1,2-dichloroethane 130.27
    n-hexanol 92.92
    2-methoxyethanol 307.66
    isobutyl acetate 64.09
    tetrachloromethane 51.72
    n-pentyl acetate 90.06
    transcutol 300.18
    n-heptanol 80.19
    ethylbenzene 51.78
    MIBK 125.15
    2-propoxyethanol 194.14
    tert-butanol 173.24
    MTBE 133.95
    2-butoxyethanol 133.37
    propionic acid 89.61
    o-xylene 79.58
    formic acid 145.97
    diethyl ether 183.4
    m-xylene 73.26
    p-xylene 55.5
    chlorobenzene 51.75
    dimethyl carbonate 105.44
    n-octane 32.59
    formamide 245.08
    cyclopentanone 218.63
    2-pentanone 157.34
    anisole 110.63
    cyclopentyl methyl ether 193.47
    gamma-butyrolactone 200.11
    1-methoxy-2-propanol 261.18
    pyridine 151.69
    3-pentanone 138.12
    furfural 195.18
    n-dodecane 23.08
    diethylene glycol 203.65
    diisopropyl ether 91.49
    tert-amyl alcohol 134.81
    acetylacetone 168.51
    n-hexadecane 24.36
    acetophenone 118.28
    methyl propionate 129.44
    isopentyl acetate 71.25
    trichloroethylene 140.8
    n-nonanol 89.22
    cyclohexanol 118.75
    benzyl alcohol 96.88
    2-ethylhexanol 72.83
    isooctanol 70.36
    dipropyl ether 140.74
    1,2-dichlorobenzene 55.52
    ethyl lactate 88.11
    propylene carbonate 101.32
    n-methylformamide 239.4
    2-pentanol 115.82
    n-pentane 70.42
    1-propoxy-2-propanol 161.93
    1-methoxy-2-propyl acetate 112.24
    2-(2-methoxypropoxy) propanol 140.26
    mesitylene 62.87
    ε-caprolactone 131.2
    p-cymene 58.42
    epichlorohydrin 192.07
    1,1,1-trichloroethane 91.52
    2-aminoethanol 153.44
    morpholine-4-carbaldehyde 358.57
    sulfolane 319.51
    2,2,4-trimethylpentane 30.29
    2-methyltetrahydrofuran 200.97
    n-hexyl acetate 96.32
    isooctane 27.65
    2-(2-butoxyethoxy)ethanol 167.09
    sec-butyl acetate 75.2
    tert-butyl acetate 113.52
    decalin 25.79
    glycerin 144.38
    diglyme 287.71
    acrylic acid 98.48
    isopropyl myristate 67.35
    n-butyric acid 97.01
    acetyl acetate 78.73
    di(2-ethylhexyl) phthalate 58.08
    ethyl propionate 102.9
    nitromethane 241.54
    1,2-diethoxyethane 148.0
    benzonitrile 83.44
    trioctyl phosphate 51.94
    1-bromopropane 105.77
    gamma-valerolactone 237.44
    n-decanol 74.89
    triethyl phosphate 62.41
    4-methyl-2-pentanol 84.47
    propionitrile 111.04
    vinylene carbonate 87.45
    1,1,2-trichlorotrifluoroethane 173.08
    DMS 81.6
    cumene 47.82
    2-octanol 72.42
    2-hexanone 121.5
    octyl acetate 77.99
    limonene 79.57
    1,2-dimethoxyethane 323.86
    ethyl orthosilicate 63.6
    tributyl phosphate 53.88
    diacetone alcohol 153.08
    N,N-dimethylaniline 140.17
    acrylonitrile 133.06
    aniline 98.73
    1,3-propanediol 147.56
    bromobenzene 45.12
    dibromomethane 129.44
    1,1,2,2-tetrachloroethane 140.46
    2-methyl-cyclohexyl acetate 75.3
    tetrabutyl urea 99.46
    diisobutyl methanol 72.33
    2-phenylethanol 82.05
    styrene 58.51
    dioctyl adipate 83.93
    dimethyl sulfate 176.3
    ethyl butyrate 97.02
    methyl lactate 121.09
    butyl lactate 84.11
    diethyl carbonate 64.74
    propanediol butyl ether 125.01
    triethyl orthoformate 83.28
    p-tert-butyltoluene 59.64
    methyl 4-tert-butylbenzoate 128.52
    morpholine 254.1
    tert-butylamine 141.96
    n-dodecanol 64.38
    dimethoxymethane 355.6
    ethylene carbonate 81.28
    cyrene 153.45
    2-ethoxyethyl acetate 98.2
    2-ethylhexyl acetate 62.26
    1,2,4-trichlorobenzene 65.99
    4-methylpyridine 136.26
    dibutyl ether 96.42
    2,6-dimethyl-4-heptanol 72.33
    DEF 233.53
    dimethyl isosorbide 206.86
    tetrachloroethylene 111.86
    eugenol 130.68
    triacetin 103.3
    span 80 125.42
    1,4-butanediol 91.54
    1,1-dichloroethane 108.05
    2-methyl-1-pentanol 84.27
    methyl formate 175.4
    2-methyl-1-butanol 96.63
    n-decane 34.03
    butyronitrile 106.24
    3,7-dimethyl-1-octanol 84.11
    1-chlorooctane 63.94
    1-chlorotetradecane 37.23
    n-nonane 35.23
    undecane 27.24
    tert-butylcyclohexane 25.21
    cyclooctane 35.72
    cyclopentanol 148.03
    tetrahydropyran 169.74
    tert-amyl methyl ether 135.32
    2,5,8-trioxanonane 232.64
    1-hexene 78.03
    2-isopropoxyethanol 158.95
    2,2,2-trifluoroethanol 113.15
    methyl butyrate 120.29

    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