Hydrogen Peroxide

CAS 7722-84-1·H2O2·34.01 g/mol·15 listings across 7 jurisdictions.

Also known as Hydrogen peroxide (30%), oxydol, dioxidane, perhydrol … +15 more

CAS
7722-84-1
Mol. Weight
34.01000 g/mol
InChIKey
MHAJPDPJQMAIIY-UHFFFAOYSA-N
SMILES
[H+].[O-]O
PubChem CID
22326046
PubChem CID
784

Regulatory
Status

15 entries across 7 jurisdictions. Sourced from EU, US, UK and international regulatory databases.

Overall compliance

Restricted — high concern

High-concern classification in 5 of 12 frameworks, across 7 jurisdictions.

United StatesUnited States[US]
EPA Safer Chemical Ingredients List (SCIL)
EPA SCIL
Listed
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EPA's Safer Chemical Ingredients List; a listing means the substance is recognised as a safer choice within its functional class.

{
  "notes": "",
  "cas_number": "7722-84-1",
  "scil_status": "Green Circle",
  "chemical_name": "Hydrogen peroxide",
  "functional_use": "Bleaching agent"
}
FDA Indirect Food Additives (21 CFR 170-199)
FDA 21CFR
Listed
View →

FDA indirect food additives (21 CFR); a listing means the substance is permitted in food-contact materials under defined conditions.

{
  "source": "FDA Indirect Additives (21 CFR 175-178)",
  "cas_number": "7722-84-1",
  "chemical_name": "HYDROGEN PEROXIDE"
}
FDA Approved Drug Substances
FDA DRUG
Approved
View →

FDA-approved drug substances; a listing means the substance is an approved active pharmaceutical ingredient.

{
  "source": "openFDA NDC (active ingredients)",
  "cas_number": "",
  "chemical_name": "HYDROGEN PEROXIDE",
  "product_count": 165,
  "active_ingredient": "HYDROGEN PEROXIDE"
}
FDA Food Contact Notifications (FCN)
FDA FCN
Listed
View →

FDA Food Contact Notifications; a listing means the substance has an effective notification authorising a specific food-contact use.

{
  "fcn_no": "1430",
  "source": "FDA FCN Inventory",
  "cas_number": "7722-84-1",
  "chemical_name": "An aqueous solution of hydrogen peroxide (CAS Reg. No. 7722-84-1) containing hydrogen peroxide at levels of up to 50%, manufactured and characterized as further described in the notification."
}
TSCA Inventory
TSCA
Listed
View →

The U.S. TSCA Inventory; a listing means the substance is an existing chemical permitted in U.S. commerce.

{
  "name": "Hydrogen peroxide (H2O2)",
  "flags": "",
  "status": "active",
  "cas_number": "7722-84-1",
  "risk_level": "low"
}
European UnionEuropean Union[EU]
CLP Regulation (EC) 1272/2008
CLP
Listed
View →

The EU's classification, labelling and packaging rules; a listing assigns the substance harmonised hazard classes such as carcinogenic, toxic, or corrosive.

{
  "source": "ECHA CLP Annex VI (harmonised C&L)",
  "index_no": "008-003-00-9",
  "ec_number": "231-765-0",
  "cas_number": "7722-84-1",
  "hazard_class": "Ox. Liq. 1\nAcute Tox. 4 *\nAcute Tox. 4 *\nSkin Corr. 1A",
  "chemical_name": "hydrogen peroxide solution … %",
  "hazard_statements": "H271\nH332\nH302\nH314"
}
EU Approved Biocidal Active Substances (BPR)
EU BPR
Approved
View →
{
  "source": "ECHA Biocidal active substances (BPR, Reg. (EU) 528/2012)",
  "ec_number": "231-765-0",
  "bas_number": "1315",
  "cas_number": "7722-84-1",
  "chemical_name": "Hydrogen peroxide",
  "product_types": "PT01, PT02, PT03, PT04, PT05, PT06, PT11, PT12",
  "approval_status": "Approved",
  "assessment_status": "Commission decision (participant withdrawal); Renewal in progress"
}
EU Cosmetics – Restricted substances (Annex III)
EU COSM RESTRICTED
Listed
View →

EU restricted cosmetic substances (Annex III); a listing means the substance is allowed only under specified conditions and concentration limits.

{
  "annex": "III",
  "source": "EU CosIng Annex III",
  "function": "",
  "ec_number": "231-765-0",
  "inci_name": "",
  "reference": "",
  "cas_number": "7722-84-1",
  "restriction": "(a) 12 % of H2O2 (40 volumes), present or released\n\n(b) 4 % of H2O2, present or released\n\n(c) 2 % of H2O2, present or released\n\n(d) ≤ 0,1 % of H2O2, present or released\n\n(e) > 0,1 % ≤ 6 % of H2O2, present or released\n\n(f) 2 % of H2O2, present or released",
  "chemical_name": "HYDROGEN PEROXIDE"
}
EU Drinking Water Directive Positive List
EU DWD
Permitted
View →

The EU Drinking Water Directive positive list; a listing means the substance is approved for materials in contact with drinking water.

{
  "source": "EU Drinking Water Directive — Positive List (ECHA CHEM)",
  "ec_number": "231-765-0",
  "cas_number": "7722-84-1",
  "chemical_name": "Hydrogen peroxide"
}
EU REACH Registered Substances
EU REACH REGISTERED
Listed
View →
{
  "source": "EU REACH Registered Substances (ECHA CHEM)",
  "ec_number": "231-765-0",
  "cas_number": "7722-84-1",
  "chemical_name": "Hydrogen peroxide"
}
United KingdomUnited Kingdom[UK]
GB Mandatory Classification & Labelling
GB MCL
Listed
View →

Great Britain's mandatory classification & labelling; a listing assigns the substance legally binding GB hazard classifications.

{
  "source": "GB MCL (HSE)",
  "ec_number": "231-765-0",
  "cas_number": "7722-84-1",
  "hazard_class": "Ox. Liq. 1; Acute Tox. 4 *; Acute Tox. 4 *; Skin Corr. 1A",
  "chemical_name": "hydrogen peroxide solution … %",
  "hazard_statements": "H271; H332; H302; H314"
}
International[INTERNATIONAL]
IARC Carcinogen Classification
IARC
Listed
View →

The WHO/IARC carcinogen classification; a listing assigns the substance a cancer-hazard group, e.g. Group 1 (carcinogenic to humans).

{
  "source": "IARC Monographs",
  "volume": "36, Sup 7, 71",
  "cas_number": "7722-84-1",
  "iarc_group": "3",
  "chemical_name": "Hydrogen peroxide",
  "evaluation_year": "1998"
}
CanadaCanada[CANADA]
Canada Domestic Substances List
CANADA DSL
Listed
View →

Canada's inventory of substances already in commerce; a listing means it can be manufactured or imported without new-substance notification.

{
  "source": "Canada Domestic Substances List (DSL)",
  "cas_number": "7722-84-1",
  "identifier": "7722-84-1",
  "publication": "Canada Gazette Part II, Vol. 128, No. 9, May 4, 1994, SOR/94-311 (http://central.bac-lac.gc.ca/.redirect?app=cangaz&id=14339&lang=eng)",
  "identifier_2": "",
  "chemical_name": "Hydrogen peroxide (H2O2)",
  "additional_information": "This substance is on the Domestic Substances List (DSL). \n \nThis substance was added to the DSL as an “Existing Substance” given that it meets the criteria set out in the Canadian Environmental Protection Act, 1999 for substances that were in commerce in Canada between 1984 and 1986."
}
AustraliaAustralia[AUSTRALIA]
Australia Safe Work GHS Classification (HCIS)
AU SWA GHS
Listed
View →

Australia's official workplace hazard classification; a listing assigns the substance harmonised GHS health and physical-hazard categories.

{
  "source": "Safe Work Australia HCIS (via PubChem GHS Classification)",
  "cas_number": "7722-84-1",
  "pictograms": [],
  "pubchem_cid": "784",
  "signal_word": "Danger",
  "chemical_name": "PEO",
  "hazard_statements": [
    "H271: May cause fire or explosion; strong Oxidizer [Danger Oxidizing liquids; Oxidizing solids]",
    "H302: Harmful if swallowed [Warning Acute toxicity, oral]",
    "H314: Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]",
    "H332: Harmful if inhaled [Warning Acute toxicity, inhalation]",
    "H335: May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]"
  ]
}
New ZealandNew Zealand[NEW ZEALAND]
Not ListedNot listed in any New Zealand framework on record.
FranceFrance[FRANCE]
Not ListedNot listed in any France framework on record.
SwitzerlandSwitzerland[SWITZERLAND]
Not ListedNot listed in any Switzerland framework on record.
NE-Atlantic[NE-ATLANTIC]
Not ListedNot listed in any NE-Atlantic framework on record.
JapanJapan[JAPAN]
Japan NITE GHS Classification
JP NITE GHS
Listed
View →

Japan's official GHS hazard classification (NITE); a listing assigns the substance harmonised GHS health and physical-hazard categories.

{
  "source": "Japan NITE-CMC (via PubChem GHS Classification)",
  "cas_number": "7722-84-1",
  "pictograms": [],
  "pubchem_cid": "784",
  "signal_word": "Danger",
  "chemical_name": "PEO",
  "hazard_statements": [
    "H271: May cause fire or explosion; strong Oxidizer [Danger Oxidizing liquids; Oxidizing solids]",
    "H302: Harmful if swallowed [Warning Acute toxicity, oral]",
    "H311: Toxic in contact with skin [Danger Acute toxicity, dermal]",
    "H314: Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]",
    "H318: Causes serious eye damage [Danger Serious eye damage/eye irritation]",
    "H330: Fatal if inhaled [Danger Acute toxicity, inhalation]",
    "H331: Toxic if inhaled [Danger Acute toxicity, inhalation]",
    "H351: Suspected of causing cancer [Warning Carcinogenicity]",
    "H370: Causes damage to organs [Danger Specific target organ toxicity, single exposure]",
    "H372: Causes damage to organs through prolonged or repeated exposure [Danger Specific target organ toxicity, repeated exposure]",
    "H400: Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]",
    "H313: May be harmful in contact with skin [Warning Acute toxicity, dermal]",
    "H361: Suspected of damaging fertility or the unborn child [Warning Reproductive toxicity]",
    "H373: May causes damage to organs through prolonged or repeated exposure [Warning Specific target organ toxicity, repeated exposure]"
  ]
}

Data as of 2026-10-26·All sources and refresh dates

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