Peroxyacetic Acid
CAS No.: 79-21-0
Synonyms:
Formula: C2H4O3
Exact Mass: 76.01600
Molecular Weight: 76.05140
PSA: 46.53000
LogP: 0.02250
Peroxyacetic Acid 79-21-0 MSDS

SECTION 1: Identification of the substance/mixture and of the company/undertaking
  Product identifiers
    Product name        : Peracetic acid solution    
    REACH No.        : A registration number is not available for this substance as the substance    
    or its uses are exempted from registration, the annual tonnage does not
    require a registration or the registration is envisaged for a later
    registration deadline.
  Relevant identified uses of the substance or mixture and uses advised against
    Identified uses        : Laboratory chemicals, Manufacture of substances    
  
  

SECTION 2: Hazards identification
  Classification of the substance or mixture
  Classification according to Regulation (EC) No 1272/2008
    Flammable liquids (Category 3), H226
    Organic peroxides (Type D), H242
    Skin corrosion (Category 1A), H314
    Specific target organ toxicity - single exposure (Category 3), Respiratory system, H335
    Acute aquatic toxicity (Category 1), H400
    For the full text of the H-Statements mentioned in this Section, see Section 16.
  Classification according to EU Directives 67/548/EEC or 1999/45/EC
    O Oxidising        R7    
    C Corrosive        R35    
    Xn Harmful        R20/21/22    
    N Dangerous for the        R50    
    environment
    For the full text of the R-phrases mentioned in this Section, see Section 16.
  Label elements
  Labelling according Regulation (EC) No 1272/2008
    Skin Corr.        Skin corrosion    
  Full text of R-phrases referred to under sections 2 and 3
    C        Corrosive    
    R5        Heating may cause an explosion.    
    R7        May cause fire.    
    R8        Contact with combustible material may cause fire.    
    R10        Flammable.    
    R20/21/22        Harmful by inhalation, in contact with skin and if swallowed.    
    N        Dangerous for the environment    
    O        Oxidising    
    R20/22        Harmful by inhalation and if swallowed.    
    R35        Causes severe burns.    
    R50        Very toxic to aquatic organisms.    
  Further information
    Copyright 2014 Co. LLC. License granted to make unlimited paper copies for internal use
    only.
    The above information is believed to be correct but does not purport to be all inclusive and shall be
    used only as a guide. The information in this document is based on the present state of our knowledge
    and is applicable to the product with regard to appropriate safety precautions. It does not represent any
    guarantee of the properties of the product. Corporation and its Affiliates shall not be held
    liable for any damage resulting from handling or from contact with the above product. See
     and/or the reverse side of invoice or packing slip for additional terms and conditions of sale.
    Pictogram
    Signal word        Danger    
    Hazard statement(s)
    H226        Flammable liquid and vapour.    
    H242        Heating may cause a fire.    
    H314        Causes severe skin burns and eye damage.    
    H335        May cause respiratory irritation.    
    H400        Very toxic to aquatic life.    
    Precautionary statement(s)
    P220        Keep/Store away from clothing/ combustible materials.    
    P261        Avoid breathing vapours.    
    P273        Avoid release to the environment.    
    P280        Wear protective gloves/ protective clothing/ eye protection/ face    
    protection.
    P305 + P351 + P338        IF IN EYES: Rinse cautiously with water for several minutes. Remove    
    contact lenses, if present and easy to do. Continue rinsing.
    P310        Immediately call a POISON CENTER or doctor/ physician.    
    Supplemental Hazard        none    
    Statements
  According to European Directive 67/548/EEC as amended.
    Hazard symbol(s)        O Oxidising    
    C Corrosive
    N Dangerous for the environment
    R-phrase(s)
    R7        May cause fire.    
    R20/21/22        Harmful by inhalation, in contact with skin and if swallowed.    
    R35        Causes severe burns.    
    R50        Very toxic to aquatic organisms.    
    S-phrase(s)
    S 3/7        Keep container tightly closed in a cool place.    
    S14        Keep away from easily oxidizable materials.    
    S26        In case of contact with eyes, rinse immediately with plenty of water and    
    seek medical advice.
    S36/37/39        Wear suitable protective clothing, gloves and eye/face protection.    
    S45        In case of accident or if you feel unwell, seek medical advice immediately    
    (show the label where possible).
    S61        Avoid release to the environment. Refer to special instructions/ Safety    
    data sheets.
  Other hazards
    This substance/mixture contains no components considered to be either persistent, bioaccumulative and
    toxic (PBT), or very persistent and very bioaccumulative (vPvB) at levels of 0.1% or higher.

SECTION 3: Composition/information on ingredients
  Mixtures
    Synonyms        : Peroxyacetic acid    
    Formula        : C2H4O3    
    Molecular weight        : 76,05 g/mol    
  Hazardous ingredients according to Regulation (EC) No 1272/2008
    Component        Classification        Concentration    
  Acetic acid
    CAS-No.        64-19-7        Flam. Liq. 3; Skin Corr. 1A;        >= 25 - < 50 %    
    EC-No.        200-580-7        H226, H314    
    Index-No.        607-002-00-6    
  Peracetic acid
    CAS-No.        79-21-0        Flam. Liq. 3; Org. Perox. D;        >= 25 - < 50 %    
    EC-No.        201-186-8        Acute Tox. 4; Skin Corr. 1A;    
    Index-No.        607-094-00-8        Aquatic Acute 1; H226, H242,    
    H302 + H312 + H332, H314,
    H400
  Hydrogen peroxide
    CAS-No.        7722-84-1        Ox. Liq. 1; Acute Tox. 4; Skin >= 5 - < 8 %    
    EC-No.        231-765-0        Corr. 1A; H271, H302 + H332,    
    Index-No.        008-003-00-9        H314    
  Hazardous ingredients according to Directive 1999/45/EC
    Component        Classification        Concentration    
  Acetic acid
    CAS-No.        64-19-7        C, R10 - R35        >= 25 - < 50 %    
    EC-No.        200-580-7    
    Index-No.        607-002-00-6    
  Peracetic acid
    CAS-No.        79-21-0        O, C, N, R 7 - R10 - R20/21/22 >= 25 - < 50 %    
    EC-No.        201-186-8        - R35 - R50    
    Index-No.        607-094-00-8    
  Hydrogen peroxide
    CAS-No.        7722-84-1        O, C, R 5 - R 8 - R20/22 - R35 >= 5 - < 8 %    
    EC-No.        231-765-0    
    Index-No.        008-003-00-9    
    For the full text of the H-Statements and R-Phrases mentioned in this Section, see Section 16

SECTION 4: First aid measures
  Description of first aid measures
  General advice
    Consult a physician. Show this safety data sheet to the doctor in attendance.
  If inhaled
    If breathed in, move person into fresh air. If not breathing, give artificial respiration. Consult a physician.
  In case of skin contact
    Take off contaminated clothing and shoes immediately. Wash off with soap and plenty of water. Take
    victim immediately to hospital. Consult a physician.
  In case of eye contact
    Rinse thoroughly with plenty of water for at least 15 minutes and consult a physician.
  If swallowed
    Do NOT induce vomiting. Never give anything by mouth to an unconscious person. Rinse mouth with
    water. Consult a physician.
  Most important symptoms and effects, both acute and delayed
    The most important known symptoms and effects are described in the labelling (see section 2.2) and/or in
    section 11
  Indication of any immediate medical attention and special treatment needed
    No data available

SECTION 5: Firefighting measures
  Extinguishing media
  Suitable extinguishing media
    Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide.
  Special hazards arising from the substance or mixture
    Carbon oxides
  Advice for firefighters
    Wear self-contained breathing apparatus for firefighting if necessary.
  Further information
    Use water spray to cool unopened containers.

SECTION 6: Accidental release measures
  Personal precautions, protective equipment and emergency procedures
    Wear respiratory protection. Avoid breathing vapours, mist or gas. Ensure adequate ventilation. Remove
    all sources of ignition. Evacuate personnel to safe areas. Beware of vapours accumulating to form
    explosive concentrations. Vapours can accumulate in low areas.
    For personal protection see section 8.
  Environmental precautions
    Prevent further leakage or spillage if safe to do so. Do not let product enter drains. Discharge into the
    environment must be avoided.
  Methods and materials for containment and cleaning up
    Contain spillage, and then collect with an electrically protected vacuum cleaner or by wet-brushing and
    place in container for disposal according to local regulations (see section 13).
  Reference to other sections
    For disposal see section 13.

SECTION 7: Handling and storage
  Precautions for safe handling
    Avoid contact with skin and eyes. Avoid inhalation of vapour or mist.
    Keep away from sources of ignition - No smoking.Take measures to prevent the build up of electrostatic
    charge.Keep away from heat and sources of ignition.
    For precautions see section 2.2.
  Conditions for safe storage, including any incompatibilities
    Store in cool place. Store in original container. Keep container tightly closed in a dry and well-ventilated
    place. Containers which are opened must be carefully resealed and kept upright to prevent leakage.
    Recommended storage temperature 2 - 8 °C
    Light sensitive.
    Storage class (TRGS 510): Organic peroxides and self-reacting hazardous materials
  Specific end use(s)
    Apart from the uses mentioned in section 1.2 no other specific uses are stipulated

SECTION 8: Exposure controls/personal protection
  Control parameters
  Components with workplace control parameters
  Exposure controls
  Appropriate engineering controls
    Avoid contact with skin, eyes and clothing. Wash hands before breaks and immediately after handling
    the product.
  Personal protective equipment
  Eye/face protection
    Tightly fitting safety goggles. Faceshield (8-inch minimum). Use equipment for eye protection
    tested and approved under appropriate government standards such as NIOSH (US) or EN
    166(EU).
  Skin protection
    Handle with gloves. Gloves must be inspected prior to use. Use proper glove removal technique
    (without touching glove's outer surface) to avoid skin contact with this product. Dispose of
    contaminated gloves after use in accordance with applicable laws and good laboratory practices.
    Wash and dry hands.
    The selected protective gloves have to satisfy the specifications of EU Directive 89/686/EEC and
    the standard EN 374 derived from it.
    Full contact
    Material: butyl-rubber
    Minimum layer thickness: 0,3 mm
    Break through time: 480 min
    Material tested:Butoject® (KCL 897 / Z677647, Size M)
    Splash contact
    Material: Nitrile rubber
    Minimum layer thickness: 0,11 mm
    Break through time: 30 min
    Material tested:Dermatril® (KCL 740 / Z677272, Size M)
    data source: KCL GmbH, D-36124 Eichenzell, phone +49 (0)6659 87300,     test method: EN374
    If used in solution, or mixed with other substances, and under conditions which differ from EN 374,
    contact the supplier of the CE approved gloves. This recommendation is advisory only and must
    be evaluated by an industrial hygienist and safety officer familiar with the specific situation of
    anticipated use by our customers. It should not be construed as offering an approval for any
    specific use scenario.
  Body Protection
    Complete suit protecting against chemicals, Flame retardant antistatic protective clothing., The
    type of protective equipment must be selected according to the concentration and amount of the
    dangerous substance at the specific workplace.
  Respiratory protection
    Where risk assessment shows air-purifying respirators are appropriate use a full-face respirator
    with multi-purpose combination (US) or type ABEK (EN 14387) respirator cartridges as a backup
    to engineering controls. If the respirator is the sole means of protection, use a full-face supplied air
    respirator. Use respirators and components tested and approved under appropriate government
    standards such as NIOSH (US) or CEN (EU).
  Control of environmental exposure
    Prevent further leakage or spillage if safe to do so. Do not let product enter drains. Discharge into
    the environment must be avoided.

SECTION 9: Physical and chemical properties
  Information on basic physical and chemical properties
    a) Appearance        Form: liquid    
    b) Odour        No data available    
    c) Odour Threshold        No data available    
    d) pH        No data available    
    e) Melting point/freezing        No data available    
    point
    f) Initial boiling point and No data available
    boiling range
    g) Flash point        56 °C - closed cup    
    h) Evaporation rate        No data available    
    i) Flammability (solid, gas) No data available
    j) Upper/lower        No data available    
    flammability or
    explosive limits
    k) Vapour pressure        27 hPa at 25 °C    
    l) Vapour density        No data available    
    m) Relative density        1,15 g/cm3 at 20 °C    
    n) Water solubility        No data available    
    o) Partition coefficient: n- No data available
    octanol/water
    p) Auto-ignition        No data available    
    temperature
    q) Decomposition        No data available    
    temperature
    r) Viscosity        No data available    
    s) Explosive properties        No data available    
    t) Oxidizing properties        No data available    
  Other safety information
    No data available

SECTION 10: Stability and reactivity
  Reactivity
    No data available
  Chemical stability
    Stable under recommended storage conditions.
  Possibility of hazardous reactions
    No data available
  Conditions to avoid
    Heat, flames and sparks.
  Incompatible materials
    Strong reducing agents, Strong bases, Soluble carbonates and phosphates, Amines, Alcohols, Heavy
    metal salts
  Hazardous decomposition products
    Other decomposition products - No data available
    In the event of fire: see section 5

SECTION 11: Toxicological information
  Information on toxicological effects
  Acute toxicity
    LD50 Oral - Rat - 3.310 mg/kg (Acetic acid)
    LD50 Oral - Rat - 1.888 mg/kg (Peracetic acid)
    LC50 Inhalation - Mouse - 1 h - 5620 ppm (Acetic acid)
    Remarks: Sense Organs and Special Senses (Nose, Eye, Ear, and Taste):Eye:Conjunctive irritation.
    Sense Organs and Special Senses (Nose, Eye, Ear, and Taste):Eye:Other. Blood:Other changes.
    LC50 Inhalation - Rat - 4 h - 11,4 mg/l (Acetic acid)
    LC50 Inhalation - Rat - 1 h - 0,6 mg/l (Peracetic acid)
    (OECD Test Guideline 403)
    LD50 Dermal - Rabbit - 1.112 mg/kg (Acetic acid)
    LD50 Dermal - Rabbit - 1.729 mg/kg (Peracetic acid)
  Skin corrosion/irritation
    No data available (Acetic acid)
    Skin - Rabbit (Peracetic acid)
    Result: Causes severe burns.
    (OECD Test Guideline 404)
  Serious eye damage/eye irritation
    Eyes - Rabbit (Acetic acid)
    Result: Corrosive to eyes
    Eyes - Rabbit (Peracetic acid)
    Result: Severe eye irritation
    (Draize Test)
  Respiratory or skin sensitisation
    No data available (Acetic acid)
    - Guinea pig (Peracetic acid)
    Did not cause sensitisation on laboratory animals.
  Germ cell mutagenicity
    No data available (Acetic acid)
  Carcinogenicity
    No data available (Peracetic acid)
    IARC:        3 - Group 3: Not classifiable as to its carcinogenicity to humans (Hydrogen peroxide)    
  Reproductive toxicity
    No data available (Acetic acid)
    No data available (Peracetic acid)
  Specific target organ toxicity - single exposure
    No data available (Acetic acid)
    No data available (Peracetic acid)
  Specific target organ toxicity - repeated exposure
    No data available
    No data available
  Aspiration hazard
    No data available (Acetic acid)
    No data available (Peracetic acid)
  Additional Information
    RTECS: Not available
    Material is extremely destructive to tissue of the mucous membranes and upper respiratory tract, eyes, and
    skin., spasm, inflammation and edema of the larynx, spasm, inflammation and edema of the bronchi,
    pneumonitis, pulmonary edema, burning sensation, Cough, wheezing, laryngitis, Shortness of breath,
    Headache, Nausea, Vomiting, Ingestion or inhalation of concentrated acetic acid causes damage to
    tissues of the respiratory and digestive tracts. Symptoms include: hematemesis, bloody diarrhea, edema
    and/or perforation of the esophagus and pylorus, pancreatitis, hematuria, anuria, uremia, albuminuria,
    hemolysis, convulsions, bronchitis, pulmonary edema, pneumonia, cardiovascular collapse, shock, and
    death. Direct contact or exposure to high concentrations of vapor with skin or eyes can cause: erythema,
    blisters, tissue destruction with slow healing, skin blackening, hyperkeratosis, fissures, corneal erosion,
    opacification, iritis, conjunctivitis, and possible blindness., To the best of our knowledge, the chemical,
    physical, and toxicological properties have not been thoroughly investigated. (Acetic acid)
    burning sensation, Cough, wheezing, laryngitis, Shortness of breath, spasm, inflammation and edema of
    the larynx, spasm, inflammation and edema of the bronchi, pneumonitis, pulmonary edema, Material is
    extremely destructive to tissue of the mucous membranes and upper respiratory tract, eyes, and skin.
    (Peracetic acid)

SECTION 12: Ecological information
  Toxicity
    Toxicity to fish        semi-static test LC50 - Oncorhynchus mykiss (rainbow trout) - > 1.000 mg/l -    
    96 h (Acetic acid)
    (OECD Test Guideline 203)
    Toxicity to daphnia and EC50 - Daphnia magna (Water flea) - > 300,82 mg/l - 48 h (Acetic acid)
    other aquatic        (OECD Test Guideline 202)    
    invertebrates
    Immobilization EC50 - Daphnia magna (Water flea) - 3,3 mg/l - 48 h (Peracetic
    acid)
    (OECD Test Guideline 202)
  Persistence and degradability
    Biodegradability        aerobic - Exposure time 30 d (Acetic acid)    
    Result: 99 % - Readily biodegradable.
    Remarks: Expected to be biodegradable
    aerobic (Peracetic acid)
    Result: - Readily biodegradable.
    Remarks: No data available
    Biochemical Oxygen        880 mg/g (Acetic acid)    
    Demand (BOD)
  Bioaccumulative potential
    No data available
  Mobility in soil
    No data available (Acetic acid)
  Results of PBT and vPvB assessment
    This substance/mixture contains no components considered to be either persistent, bioaccumulative and
    toxic (PBT), or very persistent and very bioaccumulative (vPvB) at levels of 0.1% or higher.
  Other adverse effects
    Toxic to aquatic life.
    Additional ecological        No data available    
    information

SECTION 13: Disposal considerations
  Waste treatment methods
  Product
    Burn in a chemical incinerator equipped with an afterburner and scrubber but exert extra care in igniting
    as this material is highly flammable. Offer surplus and non-recyclable solutions to a licensed disposal
    company.
  Contaminated packaging
    Dispose of as unused product.

SECTION 14: Transport information
  UN number
    ADR/RID: 3105        IMDG: 3105        IATA: 3105    
  UN proper shipping name
    ADR/RID: ORGANIC PEROXIDE TYPE D, LIQUID (PEROXYACETIC ACID, TYPE D)
    IMDG: ORGANIC PEROXIDE TYPE D, LIQUID (PEROXYACETIC ACID, TYPE D)
    IATA:        Organic peroxide type D, liquid (Peroxyacetic acid, type D)    
  Transport hazard class(es)
    ADR/RID: 5.2 (8)        IMDG: 5.2 (8)        IATA: 5.2 (HEAT, 8)    
  Packaging group
    ADR/RID: -        IMDG: -        IATA: -    
  Environmental hazards
    ADR/RID: yes        IMDG Marine pollutant: yes        IATA: no    
  Special precautions for user
    No data available

SECTION 15: Regulatory information
    This safety datasheet complies with the requirements of Regulation (EC) No. 1907/2006.
  Safety, health and environmental regulations/legislation specific for the substance or mixture
    No data available
  Chemical Safety Assessment
    For this product a chemical safety assessment was not carried out

SECTION 16: Other information
  Full text of H-Statements referred to under sections 2 and 3.
    Acute Tox.        Acute toxicity    
    Aquatic Acute        Acute aquatic toxicity    
    Flam. Liq.        Flammable liquids    
    H226        Flammable liquid and vapour.    
    H242        Heating may cause a fire.    
    H271        May cause fire or explosion; strong oxidiser.    
    H302 + H312 +        Harmful if swallowed, in contact with skin or if inhaled    
    H332
    H302 + H332        Harmful if swallowed or if inhaled    
    H314        Causes severe skin burns and eye damage.    
    H335        May cause respiratory irritation.    
    H400        Very toxic to aquatic life.    
    Org. Perox.        Organic peroxides    
    Ox. Liq.        Oxidizing liquids    

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