**** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS ****
+----------------+--------------------------------------+----------+-----------+
| CAS# | Chemical Name | % | EINECS# |
|----------------|--------------------------------------|----------|-----------|
| 1305-62-0 |Calcium hydroxide | >95 | 215-137-3 |
+----------------+--------------------------------------+----------+-----------+
Hazard Symbols: XI
Risk Phrases: 37/38 41
**** SECTION 3 - HAZARDS IDENTIFICATION ****
EMERGENCY OVERVIEW
Irritating to respiratory system and skin. Risk of serious damage to
eyes.
Potential Health Effects
Eye:
Causes eye burns. May result in corneal injury. May cause
permanent visual impairment.
Skin:
Causes skin irritation. Causes skin burns.
Ingestion:
May cause burns to the digestive tract.
Inhalation:
Causes respiratory tract irritation. May cause chemical bronchitis
with coughing and difficulty in breathing.
Chronic:
Prolonged or repeated skin contact may cause dermatitis. Chronic
inhalation and ingestion may cause effects similar to those of acute
inhalation and ingestion.
**** SECTION 4 - FIRST AID MEASURES ****
Eyes:
In case of contact, immediately flush eyes with plenty of water for
at least 15 minutes. Get medical aid immediately.
Skin:
In case of contact, immediately flush skin with plenty of water.
Remove contaminated clothing and shoes. Get medical aid. Wash
clothing before reuse.
Ingestion:
If swallowed, do NOT induce vomiting. Get medical aid immediately.
If victim is fully conscious, give a cupful of water. Never give
anything by mouth to an unconscious person.
Inhalation:
If inhaled, remove to fresh air. If not breathing, give artificial
respiration. If breathing is difficult, give oxygen. Get medical aid.
Notes to Physician:
**** SECTION 5 - FIRE FIGHTING MEASURES ****
General Information:
As in any fire, wear a self-contained breathing apparatus in
pressure-demand, MSHA/NIOSH (approved or equivalent), and full
protective gear. Substance is nonflammable.
Extinguishing Media:
Use extinguishing media most appropriate for the surrounding fire.
**** SECTION 6 - ACCIDENTAL RELEASE MEASURES ****
General Information: Use proper personal protective equipment as indicated
in Section 8.
Spills/Leaks:
Vacuum or sweep up material and place into a suitable disposal
container. Avoid generating dusty conditions. Provide ventilation.
**** SECTION 7 - HANDLING and STORAGE ****
Handling:
Wash thoroughly after handling. Remove contaminated clothing and
wash before reuse. Use with adequate ventilation. Avoid contact with
eyes, skin, and clothing. Keep container tightly closed. Avoid
breathing dust.
Storage:
Store in a tightly closed container. Store in a cool, dry,
well-ventilated area away from incompatible substances.
**** SECTION 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION ****
Engineering Controls:
Facilities storing or utilizing this material should be equipped
with an eyewash facility and a safety shower. Use adequate general or
local exhaust ventilation to keep airborne concentrations below the
permissible exposure limits.
Exposure Limits
CAS# 1305-62-0:
United Kingdom, WEL - TWA: 5 mg/m3 TWA
United Kingdom, WEL - STEL: 15 mg/m3 STEL
United States OSHA: 15 mg/m3 TWA (total dust); 5 mg/m3 TWA
(respirable fraction)
Belgium - TWA: 5 mg/m3 VLE
France - VME: 5 mg/m3 VME
Germany: 5 mg/m3 TWA (inhalable fraction)
Malaysia: 5 mg/m3 TWA
Netherlands: 5 mg/m3 MAC
Spain: 5 mg/m3 VLA-ED
Personal Protective Equipment
Eyes:
Wear dust-proof goggles.
Skin:
Wear appropriate protective gloves to prevent skin
exposure.
Clothing:
Wear appropriate protective clothing to prevent skin
exposure.
Respirators:
Follow the OSHA respirator regulations found in 29
CFR 1910.134 or European Standard EN 149. Use a
NIOSH/MSHA or European Standard EN 149 approved
respirator if exposure limits are exceeded or if
irritation or other symptoms are experienced.
**** SECTION 9 - PHYSICAL AND CHEMICAL PROPERTIES ****
Physical State: Solid
Color: colorless
Odor: odorless
pH: 12.4 (sat. sol.)
Vapor Pressure: 0 mm Hg
Viscosity: Not applicable.
Boiling Point: Not available.
Freezing/Melting Point: 580 deg C (dec)
Autoignition Temperature: Not available.
Flash Point: Not applicable.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature: Not available.
Solubility in water: Slightly soluble.
Specific Gravity/Density: 2.24 (Water=1)
Molecular Formula: CaH2O2
Molecular Weight: 74.09
**** SECTION 10 - STABILITY AND REACTIVITY ****
Chemical Stability:
Stable at room temperature in closed containers under normal storage
and handling conditions. Readily absorbs carbon dioxide from air
forming calcium carbonate.
Conditions to Avoid:
High temperatures, dust generation, prolonged exposure to air.
Incompatibilities with Other Materials:
Acids, phosphorus, maleic anhydride, nitromethane, nitroethane,
nitroparaffins, nitropropane, some metals.
Hazardous Decomposition Products:
Calcium oxide.
Hazardous Polymerization: Will not occur.
**** SECTION 11 - TOXICOLOGICAL INFORMATION ****
RTECS#:
CAS# 1305-62-0: EW2800000
LD50/LC50:
CAS# 1305-62-0: Draize test, rabbit, eye: 10 mg Severe; Oral, mouse:
LD50 = 7300 mg/kg; Oral, rat: LD50 = 7340 mg/kg.
Carcinogenicity:
Calcium hydroxide -
Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.
**** SECTION 12 - ECOLOGICAL INFORMATION ****
Ecotoxicity:
Mosquito fish, TLm=240 ppm/24H, 220 ppm/48H, 160 ppm/96H at 21-23C.
**** SECTION 13 - DISPOSAL CONSIDERATIONS ****
Products which are considered hazardous for supply are classified as Special
Waste and the disposal of such chemicals is covered by regulations which may
vary according to location. Contact a specialist disposal company or the local
waste regulator for advice. Empty containers must be decontaminated before
returning for recycling.
**** SECTION 14 - TRANSPORT INFORMATION ****
IATA
Shipping Name: Not regulated.
Hazard Class:
UN Number:
Packing Group:
IMO
Shipping Name: Not regulated.
Hazard Class:
UN Number:
Packing Group:
RID/ADR
Shipping Name: Not regulated.
Hazard Class:
UN Number:
Packing group:
**** SECTION 15 - REGULATORY INFORMATION ****
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: XI
Risk Phrases:
R 37/38 Irritating to respiratory system and skin.
R 41 Risk of serious damage to eyes.
Safety Phrases:
WGK (Water Danger/Protection)
CAS# 1305-62-0: 1
Canada
CAS# 1305-62-0 is listed on Canada's DSL List.
CAS# 1305-62-0 is listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 1305-62-0 is listed on the TSCA inventory.
**** SECTION 16 - ADDITIONAL INFORMATION ****
MSDS Creation Date: 12/12/1997 Revision #3 Date: 3/04/2004
The information above is believed to be accurate and represents the best
information currently available to us. However, we make no warranty of
merchantability or any other warranty, express or implied, with respect to
such information, and we assume no liability resulting from its use. Users
should make their own investigations to determine the suitability of the
information for their particular purposes. In no way shall the company be
liable for any claims, losses, or damages of any third party or for lost
profits or any special, indirect, incidental, consequential or exemplary
damages, howsoever arising, even if the company has been advised of
the possibility of such damages.
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