Product #: 21181       name:   calcium hydroxide
Material safety data sheet, valid dates 11/2003- 1/2004
Printed 05/07/2005 10:29
 
 
Sigma-aldrich company, ltd.
The old brickyard
New road, gillingham do sp8 4xt
United kingdom
Technical phone: 44-(0)-1747-833000
Fax:             44-(0)-1747-833313
Emergency phone: 44-(0)-1747-833100
 

Section 1. - - - - - - - - - chemical identification- - - - - - - - - -
    catalog #:            21181
    name:                 calcium hydroxide
Section 2. - - - - - composition/information on ingredients - - - - - -
    cas #:  1305-62-0
    mf: cah2o2
    ec no:  215-137-3
  synonyms
    bell mine * biocalc * calcium dihydroxide * calcium hydrate * calcium
    hydroxide (acgih:osha) * calvit * carboxide * hydrated lime *
    kalkhydrate * kemikal * limbux * lime milk * lime water * milk of
    lime * slaked lime *
Section 3. - - - - - - - - - - hazards identification - - - - - - - - -
  label precautionary statements
    corrosive
    causes burns.
    in case of contact with eyes, rinse immediately with plenty of
    water and seek medical advice.
    wear suitable protective clothing, gloves and eye/face
    protection.
    in case of accident or if you feel unwell, seek medical advice
    immediately (show the label where possible).
Section 4. - - - - - - - - - - first-aid measures- - - - - - - - - - -
    if swallowed, wash out mouth with water provided person is conscious.
    call a physician immediately.
    do not induce vomiting.
    if inhaled, remove to fresh air. If not breathing give artificial
    respiration. If breathing is difficult, give oxygen.
    in case of skin contact, flush with copious amounts of water
    for at least 15 minutes. Remove contaminated clothing and
    shoes. Call a physician.
    in case of contact with eyes, flush with copious amounts of water
    for at least 15 minutes. Assure adequate flushing by separating
    the eyelids with fingers. Call a physician.
Section 5. - - - - - - - - - fire fighting measures - - - - - - - - - -
  extinguishing media
    dry chemical powder.
  special firefighting procedures
    wear self-contained breathing apparatus and protective clothing to
    prevent contact with skin and eyes.
  unusual fire and explosions hazards
    emits toxic fumes under fire conditions.
Section 6. - - - - - - - - accidental release measures- - - - - - - - -
    wear self-contained breathing apparatus, rubber boots and heavy
    rubber gloves.
    sweep up, place in a bag and hold for waste disposal.
    ventilate area and wash spill site after material pickup is complete.
    evacuate area.
Section 7. - - - - - - - - - - handling and storage- - - - - - - - - - -
    refer to section 8.
Section 8. - - - - - - exposure controls/personal protection- - - - - -
    safety shower and eye bath.
    use only in a chemical fume hood.
    wash contaminated clothing before reuse.
    discard contaminated shoes.
    wash thoroughly after handling.
    do not breathe dust.
    do not get in eyes, on skin, on clothing.
    avoid prolonged or repeated exposure.
    niosh/msha-approved respirator.
    compatible chemical-resistant gloves.
    chemical safety goggles.
    keep tightly closed.
    store in a cool dry place.
Section 9. - - - - - - - physical and chemical properties - - - - - - -
  physical properties
    specific gravity:     2,24
Section 10. - - - - - - - - -stability and reactivity - - - - - - - - -
  stability
    stable.
  conditions to avoid
    absorbs co2 from air.
  incompatibilities
    strong acids
  hazardous combustion or decomposition products
    calcium oxide
  hazardous polymerization
    will not occur.
Section 11. - - - - - - - - - toxicological information - - - - - - - -
  acute effects
    causes burns.
    may be harmful if absorbed through the skin.
    material is extremely destructive to the tissue of the mucous membranes
    and upper respiratory tract.
    may be harmful if inhaled.
    may be harmful if swallowed.
    inhalation may result in spasm, inflammation and edema of the
    larynx and bronchi, chemical pneumonitis and pulmonary edema.
    symptoms of exposure may include burning sensation, coughing,
    wheezing, laryngitis, shortness of breath, headache, nausea and
    vomiting.
    material is extremely destructive to tissue of the mucous membranes
    and upper respiratory tract, eyes and skin.
    to the best of our knowledge, the chemical, physical, and
    toxicological properties have not been thoroughly investigated.