Hydrogen Peroxide

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  • Identifiers

    CAS number
    7722-84-1

    Molecular formula
    H2O2

    SMILES
    OO

    Safety labels

    Oxidizer
    Oxidizer

    Corrosive
    Corrosive

    Irritant
    Irritant

  • Odor profile

    Fragrance
    Odorless 59.1%
    Alcoholic 42.41%
    Ethereal 29.69%
    Fermented 27.51%
    Sweet 27.49%
    Solvent 23.61%
    Fishy 23.43%
    Sharp 20.02%
    Oily 19.77%
    Pungent 17.67%

     

    Flavor
    Bitter 71.03%
    Alcoholic 45.65%
    Odorless 40.37%
    Pungent 37.02%
    Rotten 24.66%
    Decomposing cabbage 22.5%
    Formyl 22.39%
    Vinegar 21.49%
    Musty 21.28%
    Very slight 21.22%

     

    Odor impact est.
    Low

  • Properties

    XLogP3-AA
    -0.9

    pKa est.
    1.95 (strong acid)

    Molecular weight
    34.015 g/mol

    Melting point expt.

    • 31.3 °F (NTP, 1992)
    • 31 to 40 °F for concentrations greater than 52% (EPA, 1998)
    • -33 undefined
    • -0.43 °C
    • -11 °C (90%), -39 °C (70%)
    • 12 °F

    Boiling point

    • 302.4 °F at 760 mmHg (NTP, 1992)
    • 306 °F at 760 mmHg ; 258 °F for concentrations greater than 52% (EPA, 1998)
    • 108 undefined
    • 150.2 °C
    • 141 °C (90%)
    • 286 °F

    Flash point

    • 143.38 ˚C est.

    Solubility expt.

    • greater than or equal to 100 mg/mL at 72 °F (NTP, 1992)
    • Miscible (NIOSH, 2024)
    • Soluble in cold water
    • In water, 1X10+6 mgL at 25 °C
    • Very soluble in water
    • Miscible with water
    • Soluble in ether; insoluble in petroleum ether. Decomposed into water and oxygen by many organic solvents.
    • For more Solubility (Complete) data for Hydrogen peroxide (6 total), please visit the HSDB record page.
    • 1000 mg/mL at 25 °C
    • Solubility in water: miscible
    • Miscible

  • Synonyms

    • hydrogen peroxide
    • 7722-84-1
    • oxydol
    • perhydrol
    • Interox
    • Inhibine
    • Superoxol
    • Albone
    • Kastone
    • Hydrogen dioxide
    • Albone 35
    • hydroperoxide
    • T-Stuff
    • Peroxaan
    • Elawox
    • Hioxyl
    • Lensept
    • Perone
    • Albone 35CG
    • Albone 50
    • Albone 50CG
    • Albone 70
    • Albone 70CG
    • H2O2
    • Perone 50
    • Albone DS
    • Dihydrogen dioxide
    • Peroxide
    • Hydrogen peroxide, 30%
    • Peroxan
    • Perone 30
    • Perone 35
    • Hydrogen peroxide (H2O2)
    • Hydrogen peroxide, 3%
    • Caswell No. 486AAA
    • Hydrogen peroxide, 90%
    • dioxidane
    • Oxyfull
    • Eskata
    • Hyrogen peroxide
    • Waterstofperoxyde
    • Wasserstoffperoxid
    • CCRIS 1060
    • HSDB 547
    • Astri-UC
    • High Test Peroxide
    • Peroxyde d'hydrogene
    • Teat dip HP 5
    • Perossido di idrogeno
    • Asepticper
    • Baquashock
    • Crystacide
    • Peroxclean
    • Pre milk HP 0.5
    • Pre milk HP 1.0
    • Dentasept
    • Hybrite
    • Metrokur
    • Mirasept
    • Oxigenal
    • Oxysept
    • Pegasyl
    • EPA Pesticide Chemical Code 000595
    • Hipox
    • Hydrogen peroxide, 8% to 20%
    • Select Bleach
    • Xtra White
    • Hydrogen peroxide (conc > 52%)
    • Hydrogen peroxide, 20% to 60%
    • Oxysept I
    • Lensan A
    • Odosat D
    • UNII-BBX060AN9V
    • Adeka Super EL
    • dihydrogen peroxide
    • EINECS 231-765-0
    • BBX060AN9V
    • HTP [peroxide]
    • Crestal Whitestrips
    • NSC 19892
    • NSC-19892
    • Pre milk HP 0.5 10
    • UN2014
    • UN2015
    • UN2984
    • dihydrogen(peroxide)
    • Anti-Keim 50
    • HOOH
    • UN 2015 (>52%)
    • CHEBI:16240
    • UN 2984 (8%-20%)
    • UN 2014 (20%-52%)
    • Hydrogen peroxide (> 52% conc.)
    • Hydrogen peroxide (USP)
    • Hydrogen peroxide [USP]
    • MFCD00011333
    • bis(hydridooxygen)(O--O)
    • DTXSID2020715
    • EC 231-765-0
    • HTP (peroxide)
    • NSC19892
    • 8007-30-5
    • PEO
    • HYDROGEN PEROXIDE (II)
    • HYDROGEN PEROXIDE [II]
    • (OH(OH))
    • [OH(OH)]
    • HYDROGEN PEROXIDE (IARC)
    • HYDROGEN PEROXIDE [IARC]
    • HYDROGEN PEROXIDE (MART.)
    • HYDROGEN PEROXIDE [MART.]
    • Puresept
    • hydrogenperoxide
    • Waterstofperoxyde [Dutch]
    • Wasserstoffperoxid [German]
    • HYDROGEN PEROXIDE (USP IMPURITY)
    • HYDROGEN PEROXIDE [USP IMPURITY]
    • Peroxide, Hydrogen
    • CIX
    • Peroxyde d'hydrogene [French]
    • Perossido di idrogeno [Italian]
    • Hydrogen peroxide 35%
    • Whitespeed
    • Oxymate
    • Periogel
    • CleanCleaner
    • PerioRestore
    • a peroxide

  • Applications

    Hydrogen peroxide (CAS 7722-84-1) is a versatile oxidant and bleaching agent with broad industrial and consumer applications, including cleaning and disinfection in household and industrial products; bleaching in pulp and paper and textile processing; use in cosmetics and personal care for hair bleaching and tooth whitening; acting as an oxidant and initiator in polymer processing and plastics manufacture; sanitation and equipment cleaning in the food and beverage sector under regulatory control; sterilization of equipment and its use as an oxidant in pharmaceutical manufacturing; and surface cleaning and preparation in electronics manufacturing under controlled formulations.

    gpt-5-nano

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 30.74
    methanol 94.88
    isopropanol 11.71
    water 127.43
    ethyl acetate 2.51
    n-propanol 15.27
    acetone 7.34
    n-butanol 8.8
    acetonitrile 6.69
    DMF 130.31
    toluene 0.16
    isobutanol 6.32
    1,4-dioxane 7.06
    methyl acetate 5.09
    THF 7.87
    2-butanone 3.71
    n-pentanol 3.86
    sec-butanol 6.08
    n-hexane 0.2
    ethylene glycol 103.3
    NMP 75.52
    cyclohexane 0.57
    DMSO 277.28
    n-butyl acetate 2.3
    n-octanol 2.24
    chloroform 2.84
    n-propyl acetate 1.61
    acetic acid 80.0
    dichloromethane 5.19
    cyclohexanone 5.7
    propylene glycol 38.53
    isopropyl acetate 1.13
    DMAc 56.45
    2-ethoxyethanol 19.24
    isopentanol 4.28
    n-heptane 0.56
    ethyl formate 8.1
    1,2-dichloroethane 4.78
    n-hexanol 3.44
    2-methoxyethanol 62.48
    isobutyl acetate 0.66
    tetrachloromethane 1.15
    n-pentyl acetate 1.64
    transcutol 28.93
    n-heptanol 2.42
    ethylbenzene 0.17
    MIBK 0.95
    2-propoxyethanol 13.31
    tert-butanol 8.44
    MTBE 1.48
    2-butoxyethanol 8.65
    propionic acid 30.21
    o-xylene 0.36
    formic acid 234.61
    diethyl ether 1.63
    m-xylene 0.18
    p-xylene 0.22
    chlorobenzene 0.54
    dimethyl carbonate 4.16
    n-octane 0.22
    formamide 235.64
    cyclopentanone 7.64
    2-pentanone 2.06
    anisole 0.83
    cyclopentyl methyl ether 2.11
    gamma-butyrolactone 17.27
    1-methoxy-2-propanol 24.39
    pyridine 4.62
    3-pentanone 1.9
    furfural 22.98
    n-dodecane 0.16
    diethylene glycol 34.69
    diisopropyl ether 0.42
    tert-amyl alcohol 5.25
    acetylacetone 2.78
    n-hexadecane 0.16
    acetophenone 1.67
    methyl propionate 4.48
    isopentyl acetate 1.52
    trichloroethylene 5.0
    n-nonanol 1.89
    cyclohexanol 5.7
    benzyl alcohol 2.81
    2-ethylhexanol 1.72
    isooctanol 1.75
    dipropyl ether 1.87
    1,2-dichlorobenzene 1.04
    ethyl lactate 4.76
    propylene carbonate 7.35
    n-methylformamide 87.58
    2-pentanol 2.99
    n-pentane 0.35
    1-propoxy-2-propanol 9.0
    1-methoxy-2-propyl acetate 3.24
    2-(2-methoxypropoxy) propanol 7.91
    mesitylene 0.22
    ε-caprolactone 7.32
    p-cymene 0.56
    epichlorohydrin 9.25
    1,1,1-trichloroethane 1.09
    2-aminoethanol 73.86
    morpholine-4-carbaldehyde 51.3
    sulfolane 53.68
    2,2,4-trimethylpentane 0.17
    2-methyltetrahydrofuran 3.41
    n-hexyl acetate 1.9
    isooctane 0.11
    2-(2-butoxyethoxy)ethanol 11.05
    sec-butyl acetate 0.66
    tert-butyl acetate 1.12
    decalin 0.16
    glycerin 93.41
    diglyme 19.81
    acrylic acid 45.03
    isopropyl myristate 0.82
    n-butyric acid 17.46
    acetyl acetate 1.81
    di(2-ethylhexyl) phthalate 1.75
    ethyl propionate 1.46
    nitromethane 62.77
    1,2-diethoxyethane 2.87
    benzonitrile 1.96
    trioctyl phosphate 1.75
    1-bromopropane 1.37
    gamma-valerolactone 19.37
    n-decanol 1.45
    triethyl phosphate 2.15
    4-methyl-2-pentanol 1.27
    propionitrile 4.38
    vinylene carbonate 9.23
    1,1,2-trichlorotrifluoroethane 35.31
    DMS 2.58
    cumene 0.21
    2-octanol 1.28
    2-hexanone 1.18
    octyl acetate 1.31
    limonene 0.9
    1,2-dimethoxyethane 12.79
    ethyl orthosilicate 1.77
    tributyl phosphate 1.92
    diacetone alcohol 5.01
    N,N-dimethylaniline 1.5
    acrylonitrile 10.6
    aniline 1.97
    1,3-propanediol 51.94
    bromobenzene 0.3
    dibromomethane 2.8
    1,1,2,2-tetrachloroethane 5.39
    2-methyl-cyclohexyl acetate 1.47
    tetrabutyl urea 3.78
    diisobutyl methanol 1.36
    2-phenylethanol 2.4
    styrene 0.24
    dioctyl adipate 2.05
    dimethyl sulfate 14.24
    ethyl butyrate 2.11
    methyl lactate 14.24
    butyl lactate 4.72
    diethyl carbonate 1.73
    propanediol butyl ether 11.91
    triethyl orthoformate 2.21
    p-tert-butyltoluene 0.56
    methyl 4-tert-butylbenzoate 3.8
    morpholine 14.8
    tert-butylamine 4.19
    n-dodecanol 1.19
    dimethoxymethane 14.17
    ethylene carbonate 6.44
    cyrene 10.1
    2-ethoxyethyl acetate 2.56
    2-ethylhexyl acetate 1.12
    1,2,4-trichlorobenzene 1.27
    4-methylpyridine 2.29
    dibutyl ether 1.1
    2,6-dimethyl-4-heptanol 1.36
    DEF 11.88
    dimethyl isosorbide 8.63
    tetrachloroethylene 5.46
    eugenol 5.83
    triacetin 3.48
    span 80 8.04
    1,4-butanediol 19.53
    1,1-dichloroethane 1.46
    2-methyl-1-pentanol 2.09
    methyl formate 35.7
    2-methyl-1-butanol 4.46
    n-decane 0.21
    butyronitrile 3.26
    3,7-dimethyl-1-octanol 1.55
    1-chlorooctane 0.56
    1-chlorotetradecane 0.29
    n-nonane 0.22
    undecane 0.18
    tert-butylcyclohexane 0.12
    cyclooctane 0.18
    cyclopentanol 8.67
    tetrahydropyran 3.06
    tert-amyl methyl ether 1.31
    2,5,8-trioxanonane 15.25
    1-hexene 0.41
    2-isopropoxyethanol 6.71
    2,2,2-trifluoroethanol 47.48
    methyl butyrate 2.81

    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