hydrogen peroxide
CAS No.: 7722-84-1
Formula: H2O2
Exact Mass: 34.00550
Molecular Weight: 34.01470
PSA: 40.46000
LogP: 0.01740
hydrogen peroxide 7722-84-1 MSDS

Section 1. Chemical Product and Company Identification
    Hydrogen Peroxide 35%
    Common Name/
    Trade Name
    Commercial Name(s)
    Chemical Name
    Chemical Family
    Hydrogen Peroxide 35%
    CARCINOGENIC EFFECTS: Classified A3 (Proven for animal.) by ACGIH [Hydrogen Peroxide]. Classified 3
    Potential Chronic Health
    Effects        (Not classifiable for human.) by IARC [Hydrogen Peroxide].    
    MUTAGENIC EFFECTS: Mutagenic for bacteria and/or yeast. [Hydrogen Peroxide 35%].
    TERATOGENIC EFFECTS: Not available.
    The substance may be toxic to blood, upper respiratory tract, skin, eyes, central nervous system (CNS).
    Repeated or prolonged exposure to the substance can produce target organs damage. Repeated or
    prolonged contact with spray mist may produce chronic eye irritation and severe skin irritation. Repeated or
    prolonged exposure to spray mist may produce respiratory tract irritation leading to frequent attacks of
    bronchial infection.

Section 4. First Aid Measures
    Eye Contact        Check for and remove any contact lenses. In case of contact, immediately flush eyes with plenty of water for    
    at least 15 minutes. Cold water may be used. Get medical attention immediately.
    Skin Contact        In case of contact, immediately flush skin with plenty of water for at least 15 minutes while removing    
    contaminated clothing and shoes. Cover the irritated skin with an emollient. Cold water may be used.Wash
    clothing before reuse. Thoroughly clean shoes before reuse. Get medical attention immediately.
    Serious Skin Contact        Wash with a disinfectant soap and cover the contaminated skin with an anti-bacterial cream. Seek immediate    
    medical attention.
    Inhalation        If inhaled, remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.    
    Get medical attention immediately.
    Serious Inhalation        Evacuate the victim to a safe area as soon as possible. Loosen tight clothing such as a collar, tie, belt or    
    waistband. If breathing is difficult, administer oxygen. If the victim is not breathing, perform mouth-to-mouth
    resuscitation. WARNING: It may be hazardous to the person providing aid to give mouth-to-mouth
    resuscitation when the inhaled material is toxic, infectious or corrosive. Seek immediate medical attention.
    Ingestion        Do NOT induce vomiting unless directed to do so by medical personnel. Never give anything by mouth to an    
    unconscious person. Loosen tight clothing such as a collar, tie, belt or waistband. Get medical attention if
    symptoms appear.
    Serious Ingestion        Not available.    

Section 5. Fire and Explosion Data
    Flammability of the Product Non-flammable.
    Auto-Ignition Temperature Not applicable.
    Flash Points        Not applicable.    
    Flammable Limits        Not applicable.    
    Products of Combustion        Not available.    
    Fire Hazards in Presence of combustible materia
    Various Substances
    Explosion Hazards in Presence Slightly explosive in presence of open flames and sparks, of heat, of organic materials, of metals, of acids.
    of Various Substances
    Fire Fighting Media        Fire: Small fires: Use water. Do not use dry chemicals or foams. CO2, or Halon may provide limited control.    
    and Instructions        Large fires: Flood fire area with water from a distance. Move containers from fire area if you can do it without    
    risk. Do not move cargo or vehicle if cargo has been exposed to heat. Fight fire from
    maximum distance or use unmanned hose holders or monitor nozzles. Cool containers with flooding quantities
    of water until well after fire is out. ALWAYS stay away from tanks engulfed in fire. For massive fire, use
    unmanned hose holders or monitor nozzles; if this is impossible, withdraw from area and let fire burn.
    /Hydrogen peroxide, aqueous solution, with not less than 8% but less than 20% Hydrogen peroxide; Hydrogen
    peroxide, aqueous solution, with not less than 20% but not more than 60% Hydrogen peroxide (stabilized as
    RSPA P 5800.8 Edition. Washington, D.C: U.S. Government Printing Office, 2000,p. G-140]
    Special Remarks on        Most cellulose (wood, cotton) materials contain enough catalyst to cause spontaneous ignition with 90%    
    Fire Hazards        Hydrogen Peroxide. Hydrogen Peroxide is a strong oxider. It is not flammable itself, but it can cause    
    spontaneous combustion of flammable materials and continued support of the combustion because it liberates
    oxygen as it decomposes.
    Hydrogen peroxide mixed with magnesium and a trace of magnesium dioxide will ignite immediately.
    Hydrogen Peroxide 35%
    Special Remarks on Explosion Soluble fuels (acetone, ethanol, glycerol) will detonate on a mixture with peroxide over 30% concentration, the
    Hazards        violence increasing with concentration.    
    Explosive with acetic acid, acetic anhydride, acetone, alcohols, carboxylic acids, nitrogen containing bases,
    As2S3, Cl2 + KOH, FeS, FeSO4 + 2 methylpryidine + H2SO4, nitric acid, potassium permanganate, P2O5,
    H2Se, Alcohols + H2SO4, Alcohols + tin chloride, Antimoy trisulfide, chlorosulfonic acid, Aromatic
    hydrocarbons + trifluoroacetic acid, Azeliac acid + sulfuric acid (above 45 C), Benzenesulfonic anhydride,
    tert-butanol + sulfuric acid, Hydrazine, Sulfuric acid, Sodium iodate, Tetrahydrothiophene, Thiodiglycol,
    Mercurous oxide, mercuric oxide, Lead dioxide, Lead oxide, Manganese dioxide, Lead sulfide, Gallium + HCl,
    Ketenes + nitric acid, Iron (II) sulfate + 2-methylpyridine + sulfuric acid, Iron (II) sulfate + nitric acid, + sodium
    carboxymethylcellulose (when evaporated), Vinyl acetate, trioxane, water + oxygenated compounds (eg:
    acetaldehyde, acetic acid, acetone, ethanol, formaldehyde, formic acid, methanol, 2-propanol,
    propionaldehyde), organic compounds. Beware: Many mixitures of hydrogen peroxide and organic materials
    may not explode upon contact. However, the resulting combination is detonatable either upon catching fire or
    by impact.
    Fire or explosion:
    May explode from friction, heat or contamination. These substances will accelerate burning when involved in a
    fire. May ignite combustibles (wood, paper, oil, clothing, etc.). Some will react explosively with hydrocarbons
    (fuels). Containers may explode when heated. Runoff may create fire or explosion hazard. /Hydrogen
    peroxide, aqueous solution, stabilized, with more than 60% Hydrogen peroxide; Hydrogen peroxide,
    P 5800.8 Edition. Washington, D.C: U.S. Government Printing Office, 2000,p. G-143] .
    Fire or explosion: These substances will accelerate burning when involved in a fire. Some may decompose
    explosively when heated or involved in a fire. May explode from heat or contamination. Some will react
    explosively with hydrocarbons (fuels). May ignite combustibles (wood, paper, oil, clothing, etc.). Containers
    may explode when heated. Runoff may create fire or explosion hazard. /Hydrogen peroxide, aqueous solution,
    with not less than 8% but less than 20% Hydrogen peroxide; Hydrogen peroxide, aqueous solution, with not
    less than 20% but not more than 60% Hydrogen peroxide (stabilized as necessary)/ [QC Reviewed] [U.S.
    D.C: U.S. Government Printing Office, 2000,p. G-140]
    (Hydrogen Peroxide)

Section 6. Accidental Release Measures
    Small Spill        Dilute with water and mop up, or absorb with an inert dry material and place in an appropriate waste disposal    
    Large Spill        Corrosive liquid. Oxidizing material.    
    Stop leak if without risk. Absorb with DRY earth, sand or other non-combustible material. Do not get water
    inside container. Avoid contact with a combustible material (wood, paper, oil, clothing...). Keep substance
    damp using water spray. Do not touch spilled material. Use water spray curtain to divert vapor drift. Prevent
    that the product is not present at a concentration level above TLV. Check TLV on the MSDS and with local

Section 7. Handling and Storage
    Precautions        Keep container dry. Keep away from heat. Keep away from sources of ignition. Keep away from    
    combustible material.. Do not ingest. Do not breathe gas/fumes/ vapor/spray. Never add water to this
    product. In case of insufficient ventilation, wear suitable respiratory equipment. If ingested, seek medical
    advice immediately and show the container or the label. Avoid contact with skin and eyes. Keep away from
    incompatibles such as oxidizing agents, reducing agents, combustible materials, organic materials, metals,
    acids, alkalis.
    Storage        Keep container tightly closed. Keep container in a cool, well-ventilated area. Separate from acids, alkalies,    
    reducing agents and combustibles. See NFPA 43A, Code for the Storage of Liquid and Solid Oxidizers. Do
    not store above 8°C (46.4°F). Refrigerate Sensiti ve to light. Store in light-resistant containers.
    Hydrogen Peroxide 35%

Section 8. Exposure Controls/Personal Protection
    Engineering Controls        Provide exhaust ventilation or other engineering controls to keep the airborne concentrations of vapors below    
    their respective threshold limit value. Ensure that eyewash stations and safety showers are proximal to the
    work-station location.
    Personal Protection        Face shield. Full suit. Vapor respirator. Be sure to use an approved/certified respirator or equivalent.    
    Gloves. Boots.
    Personal Protection in Case of Splash goggles. Full suit. Vapor respirator. Boots. Gloves. A self contained breathing apparatus should be
    a Large Spill        used to avoid inhalation of the product. Suggested protective clothing might not be sufficient; consult a    
    specialist BEFORE handling this product.
    Exposure Limits        Hydrogen Peroxide    
    TWA: 1 (ppm) from ACGIH (TLV) [United States]
    TWA: 1 (ppm) from OSHA (PEL) [United States]
    TWA: 1 STEL: 2 [Canada]
    TWA: 1.4 (mg/m3) from NIOSH
    TWA: 1.4 (mg/m3) from OSHA (PEL) [United States]
    TWA: 1 (ppm) [United Kingdom (UK)]
    TWA: 1.4 (mg/m3) [United Kingdom (UK)]
    Consult local authorities for acceptable exposure limits.

Section 9. Physical and Chemical Properties
    Physical state and appearance Liquid.        Odor        Odorless.    
    Bitter. Slight acid.
    Molecular Weight        Not applicable.    
    Clear Colorless.
    pH (1% soln/water)
    Boiling Point        108°C (226.4°F)    
    Melting Point        -33°C (-27.4°F)    
    Critical Temperature        Not available.    
    Specific Gravity        1.1 (Water = 1)    
    Vapor Pressure        3.1 kPa (@ 20°C)    
    Vapor Density        1.1 (Air = 1)    
    Not available.
    Odor Threshold        Not available.    
    Water/Oil Dist. Coeff.        Not available.    
    Ionicity (in Water)        Not available.    
    Dispersion Properties        See solubility in water, diethyl ether.    
    Solubility        Easily soluble in cold water.    
    Soluble in diethyl ether.

Section 10. Stability and Reactivity Data
    Stability        The product is stable. It contains a stabilizer.    
    Instability Temperature        Not available.    
    Conditions of Instability        Light, excess heat, combustible materials, incompatible materials (Hydrogen Peroxide)    
    Reactive with reducing agents, combustible materials, organic materials, metals, acids, alkalis.
    Incompatibility with various
    substances        Slightly reactive with water.    
    Corrosivity        Non-corrosive in presence of glass.    
    Hydrogen Peroxide 35%
    Special Remarks on        Light sensitive.    
    Incompatible with reducing materials, ethers (dioxane, furfuran, tetrahydrofuran), oxidizing materials,
    Metals(eg. potassium, sodium lithium, iron, copper, brass, bronze, chromium, zinc, lead, silver, nickel), metal
    oxides (eg. cobalt oxide, iron oxide, lead oxide, lead hydroxide, manganese oxide), metal salts (eg. calcium
    permanganate, salts of iron), manganese, asbestos, vanadium, platinium, tungsten, molybdeum,
    triethylamine, palladium, sodium pyrophosphate, carboxylic acids, cyclopentadiene, formic acid, rust, ketones,
    sodium carbonate, alcohols, sodium borate, aniline, mercurous chloride, rust, nitric acid, sodium
    pyrophosphate, hexavalent chromium compounds, tetrahydrofuran, sodium fluoride organic matter, potassium
    permanganate, urea, chlorosulfonic acid, manganese dioxide, hydrogen selenide, charcoal, coal, sodium
    borate, alkalies, cyclopentadiene, glycerine, cyanides (potassium, cyanide, sodium cyanide), nitrogen
    Caused to decompose catalytically by metals (in order of decreasing effectiveness): Osmium, Palladium,
    Platinum, Iridium, Gold, Silver, Manganese, Cobalt, Copper, Lead. Concentrated hydrogen peroxide may
    decompose violently or explosively in contact with iron, copper, chromium, and most other metals and their
    salts, and dust.
    (Hydrogen Peroxide)
    Special Remarks on        Not available.    
    Will not occur.

Section 11. Toxicological Information
    Routes of Entry        Absorbed through skin. Dermal contact. Eye contact. Ingestion.    
    Toxicity to Animals        Acute dermal toxicity (LD50): 3063 mg/kg (Mouse) (Calculated value for the mixture).    
    Chronic Effects on Humans        CARCINOGENIC EFFECTS: Classified A3 (Proven for animal.) by ACGIH [Hydrogen Peroxide]. Classified 3    
    (Not classifiable for human.) by IARC [Hydrogen Peroxide].
    MUTAGENIC EFFECTS: Mutagenic for bacteria and/or yeast. [Hydrogen Peroxide 35%].
    Contains material which may cause damage to the following organs: blood, upper respiratory tract, skin, eyes,
    central nervous system (CNS).
    Other Toxic Effects on        Very hazardous in case of skin contact (irritant).    
    Humans        Hazardous in case of skin contact (corrosive, permeator), of eye contact (corrosive), of ingestion, of inhalation    
    (lung corrosive).
    Special Remarks on        Lowest Published Lethal Dose/Conc for 90-100% Hydrogen Peroxide:    
    Toxicity to Animals        LDL [Pig] - Route: Skin; Dose: 2000 mg/kg    
    LDL [Rabbit] - Route: Skin; Dose: 500 mg/kg
    Lowest Published Lethal Dose/Conc for 20-60% Hydrogen Peroxide:
    LDL [Child] - Route: Oral; Dose: 8500 mg/kg or 9 ml/kg
    Acute Toxicity - Oral LD50 [Rat] for 20-60% Hydrogen Peroxide: 910 mg/kg.
    Acute Toxicity - Oral LD50 [Rat] for 8-20% Hydrogen Peroxide: 1518 mg/kg.
    (Hydrogen Peroxide)
    Special Remarks on        May may affect genetic material.    
    Chronic Effects on Humans        May cause cancer (be tumorigenic) based on animal data. IARC states that it is not classifiable as to its    
    carcinogenicity to humans. The evidence of carcinogenicity is inadequate in humans and inadequate or
    limited in experimental animals. (Hydrogen Peroxide)
    Special Remarks on other        Acute Potential Health Effects:    
    Toxic Effects on Humans        Skin: Causes severe skin irritation and possible burns. Absorption into skin may affect behavior/central    
    nervous system (tremor, ataxia, convulsions), respiration (dyspnea, pulmonary emboli), brain.
    Eyes: Causes severe eye irritation, superficial clouding, corneal edema, and may cause burns.
    Inhalation: Causes respiratory tract irritation with coughing, lacrimation. May cause chemical burns to the
    respiratory tract. May affect behavior/Central nervous system (insomnia, headache, ataxia, nervous tremors
    with numb extremities) and may cause ulceration of nasal tissue, and , chemical pneumonia, unconciousness,
    and possible death. At high concentrations, respiratory effects may include acute lung damage, and delayed
    pulmonary edema. May affect blood.
    Ingestion: May be harmful if swallowed. Causes gastrointestional tract irritation with nausea, vomiting,
    hypermotility, and diarrhea. Causes gastrointestional tract burns. May affect cardiovascular system and
    cause vascular collapse and damage. May affect blood (change in leukocyte count, pigmented or nucleated
    red blood cells). May cause difficulty in swallowing, stomach distension and possible cerebal swelling. May
    affect behavior/central nervous system (tetany, excitement)., and brain.
    Chronic Potential Health Effects:
    Prolonged or repeated skin contact may cause dermatitis.
    Repeated contact may also cause corneal damage.
    Prolonged or repeated ingestion may affect metabolism (weight loss), and the liver.
    Prolonged or repeated inhalation may affect respiration, blood (changes in serum composition).
    (Hydrogen Peroxide)
    Hydrogen Peroxide 35%

Section 12. Ecological Information
    Ecotoxicity        Not available.    
    BOD5 and COD        Not available.    
    Products of Biodegradation        Possibly hazardous short term degradation products are not likely. However, long term degradation products    
    may arise.
    Toxicity of the Products        The products of degradation are less toxic than the product itself.    
    of Biodegradation
    Special Remarks on the        Not available.    
    Products of Biodegradation

Section 13. Disposal Considerations
    Waste Disposal        Waste must be disposed of in accordance with federal, state and local environmental    
    control regulations.

Section 14. Transport Information
    DOT Classification        CLASS 5.1: Oxidizing material.    
    Class 8: Corrosive material
    Identification        UNNA: 2014: Hydrogen peroxide, aqueous solution PG: II    
    Special Provisions for        Not available.    
    DOT (Pictograms)

Section 15. Other Regulatory Information and Pictograms
    Federal and State        New York release reporting list: Hydrogen Peroxide    
    Pennsylvania RTK: Hydrogen Peroxide
    Minnesota: Hydrogen Peroxide
    Massachusetts RTK: Hydrogen Peroxide
    New Jersey: Hydrogen Peroxide
    New Jersey spill list: Hydrogen Peroxide
    TSCA 8(b) inventory: Water; Hydrogen Peroxide
    SARA 302/304/311/312 extremely hazardous substances: Hydrogen Peroxide
    CERCLA: Hazardous substances.: Hydrogen Peroxide: 1000 lbs. (453.6 kg);
    California        California prop. 65: This product contains the following ingredients for which the State of California has    
    found to cause cancer which would require a warning under the statute: No products were found.
    Proposition 65
    California prop. 65: This product contains the following ingredients for which the State of California has
    found to cause birth defects which would require a warning under the statute: No products were found.
    Other Regulations        OSHA: Hazardous by definition of Hazard Communication Standard (29 CFR 1910.1200).    
    CLASS C: Oxidizing material.
    Other Classifications        WHMIS (Canada)    
    CLASS D-1B: Material causing immediate and serious toxic effects (TOXIC).
    CLASS E: Corrosive liquid.
    CLASS F: Dangerously reactive material.
    DSCL (EEC)        R22- Harmful if swallowed.        S17- Keep away from combustible material.    
    R41- Risk of serious damage to        S26- In case of contact with eyes, rinse    
    eyes.        immediately with plenty of water and seek    
    R37/38- Irritating to respiratory        medical advice.    
    system and skin.        S28- After contact with skin, wash    
    immediately with plenty of water.
    S36/37/39- Wear suitable protective clothing,
    gloves and eye/face protection.
    S45- In case of accident or if you feel unwell,
    Hydrogen Peroxide 35%
    seek medical advice immediately (show the
    label where possible).
    Health Hazard
    HMIS (U.S.A.)        3 National Fire Protection    
    0 Flammability
    0 Association (U.S.A.)
    Fire Hazard
    2 1 Reactivity
    Specific hazard
    Personal Protection
    WHMIS (Canada)
    DSCL (Europe)
    TDG (Canada)
    ADR (Europe)
    Protective Equipment
    Full suit.
    Vapor respirator. Be sure to use an
    approved/certified respirator or
    equivalent. Wear appropriate
    respirator when ventilation is
    Face shield.


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