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Oxalic acid dihydrate
CAS No.: 6153-56-6
Formula: C2H6O6
Exact Mass: 126.01600
Molecular Weight: 126.06500
PSA: 93.06000
LogP: -0.97300
Reference Price: $742/ton Inquiry Now
Oxalic acid dihydrate 6153-56-6 MSDS

SECTION 1: Identification of the substance/mixture and of the company/undertaking
  Product identifiers
    Product name        : Oxalic acid dihydrate    
    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.
    CAS-No.        : 6153-56-6    
  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
    Acute toxicity, Oral (Category 4), H302
    Acute toxicity, Dermal (Category 4), H312
    Serious eye damage (Category 1), H318
    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
    Xn, Xi Harmful, Irritant        R21/22, R41    
    For the full text of the R-phrases mentioned in this Section, see Section 16.
  Label elements
  Labelling according Regulation (EC) No 1272/2008
    Signal word        Danger    
    Hazard statement(s)
    H302 + H312        Harmful if swallowed or in contact with skin    
    H318        Causes serious eye damage.    
    Precautionary statement(s)
    P280        Wear protective gloves/ 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.
    Supplemental Hazard        none    
  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
    Synonyms        : Ethanedioic acid    
    Formula        : C2H2O4 · 2H2O    
    Molecular weight        : 126,07 g/mol    
    CAS-No.        : 6153-56-6    
    EC-No.        : 205-634-3    
    Index-No.        : 607-006-00-8    
  Hazardous ingredients according to Regulation (EC) No 1272/2008
    Component        Classification        Concentration    
  Oxalic acid dihydrate
    CAS-No.        6153-56-6        Acute Tox. 4; Eye Dam. 1;        <= 100 %    
    EC-No.        205-634-3        H302 + H312, H318    
    Index-No.        607-006-00-8    
  Hazardous ingredients according to Directive 1999/45/EC
    Component        Classification        Concentration    
  Oxalic acid dihydrate
    CAS-No.        6153-56-6        Xn, R21/22 - R41        <= 100 %    
    EC-No.        205-634-3    
    Index-No.        607-006-00-8    
    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
    Wash off with soap and plenty of water. 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
    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
    No data available

SECTION 6: Accidental release measures
  Personal precautions, protective equipment and emergency procedures
    Use personal protective equipment. Avoid dust formation. Avoid breathing vapours, mist or gas. Ensure
    adequate ventilation. Evacuate personnel to safe areas. Avoid breathing dust.
    For personal protection see section 8.
  Environmental precautions
    Do not let product enter drains.
  Methods and materials for containment and cleaning up
    Pick up and arrange disposal without creating dust. Sweep up and shovel. Keep in suitable, closed
    containers for disposal.
  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 formation of dust and aerosols.
    Provide appropriate exhaust ventilation at places where dust is formed.
    For precautions see section 2.2.
  Conditions for safe storage, including any incompatibilities
    Store in cool place. Keep container tightly closed in a dry and well-ventilated place.
    Storage class (TRGS 510): Non Combustible Solids
  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
    Handle in accordance with good industrial hygiene and safety practice. Wash hands before breaks and
    at the end of workday.
  Personal protective equipment
  Eye/face protection
    Face shield and safety glasses 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: Nitrile rubber
    Minimum layer thickness: 0,11 mm
    Break through time: 480 min
    Material tested:Dermatril® (KCL 740 / Z677272, Size M)
    Splash contact
    Material: Nitrile rubber
    Minimum layer thickness: 0,11 mm
    Break through time: 480 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, 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 particle
    respirator type N100 (US) or type P3 (EN 143) 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
    Do not let product enter drains.

SECTION 9: Physical and chemical properties
  Information on basic physical and chemical properties
    a) Appearance        Form: crystalline    
    Colour: colourless
    b) Odour        No data available    
    c) Odour Threshold        No data available    
    d) pH        1 at 126,1 g/l at 25 °C    
    e) Melting point/freezing        Melting point/range: 104 - 106 °C - lit.    
    f) Initial boiling point and No data available
    boiling range
    g) Flash point        No data available    
    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        < 0,01 hPa at 20 °C    
    l) Vapour density        No data available    
    m) Relative density        No data available    
    n) Water solubility        ca.126,1 g/l at 20 °C    
    o) Partition coefficient: n- log Pow: -0,81
    p) Auto-ignition        No data available    
    q) Decomposition        No data available    
    r) Viscosity        No data available    
    s) Explosive properties        No data available    
    t) Oxidizing properties        No data available    
  Other safety information
    Bulk density        0,90 g/l    

SECTION 10: Stability and reactivity
    No data available
  Chemical stability
    Stable under recommended storage conditions.
  Possibility of hazardous reactions
    No data available
  Conditions to avoid
    Avoid moisture.
  Incompatible materials
    Bases, Metals, Acid chlorides, Alkali metals
  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 - 1.080 mg/kg
  Skin corrosion/irritation
    Skin - Rabbit
    Result: Mild skin irritation
  Serious eye damage/eye irritation
    Eyes - Rabbit
    Result: Risk of serious damage to eyes.
    (OECD Test Guideline 405)
  Respiratory or skin sensitisation
    No data available
  Germ cell mutagenicity
    Result: Not mutagenic in Ames Test.
    Histidine reversion (Ames)
    IARC:        No component of this product present at levels greater than or equal to 0.1% is identified as    
    probable, possible or confirmed human carcinogen by IARC.
  Reproductive toxicity
    Possible risk of congenital malformation in the fetus.
  Specific target organ toxicity - single exposure
    No data available
  Specific target organ toxicity - repeated exposure
    No data available
  Aspiration hazard
    No data available
  Additional Information
    RTECS: Not available
    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.

SECTION 12: Ecological information
    Toxicity to fish        LC50 - Leuciscus idus (Golden orfe) - 160 mg/l - 48 h    
    Toxicity to daphnia and EC50 - Daphnia magna (Water flea) - 137 mg/l - 48 h
    other aquatic
  Persistence and degradability
  Bioaccumulative potential
    No data available
  Mobility in soil
    No data available
  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
    No data available

SECTION 13: Disposal considerations
  Waste treatment methods
    Dissolve or mix the material with a combustible solvent and burn in a chemical incinerator equipped with
    an afterburner and scrubber. 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: 3261        IMDG: 3261        IATA: 3261    
  UN proper shipping name
    ADR/RID: CORROSIVE SOLID, ACIDIC, ORGANIC, N.O.S. (Oxalic acid dihydrate)
    IMDG: CORROSIVE SOLID, ACIDIC, ORGANIC, N.O.S. (Oxalic acid dihydrate)
    IATA:        Corrosive solid, acidic, organic, n.o.s. (Oxalic acid dihydrate)    
  Transport hazard class(es)
    ADR/RID: 8        IMDG: 8        IATA: 8    
  Packaging group
    ADR/RID: III        IMDG: III        IATA: III    
  Environmental hazards
    ADR/RID: no        IMDG Marine pollutant: no        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    
    Eye Dam.        Serious eye damage    
    H302        Harmful if swallowed.    
    H302 + H312        Harmful if swallowed or in contact with skin    
    H312        Harmful in contact with skin.    
    H318        Causes serious eye damage.    
  Full text of R-phrases referred to under sections 2 and 3
    Xn        Harmful    
    R21/22        Harmful in contact with skin and if swallowed.    
    R41        Risk of serious damage to eyes.    
  Further information
    Copyright 2014 Co. LLC. License granted to make unlimited paper copies for internal use
    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.

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