**** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS ****
+----------------+--------------------------------------+----------+-----------+
| CAS# | Chemical Name | % | EINECS# |
|----------------|--------------------------------------|----------|-----------|
| 7778-54-3 |Calcium hypochlorite | 100 | 231-908-7 |
+----------------+--------------------------------------+----------+-----------+
Hazard Symbols: O C N
Risk Phrases: 22 31 34 8 50
**** SECTION 3 - HAZARDS IDENTIFICATION ****
EMERGENCY OVERVIEW
Harmful if swallowed. Contact with acids liberates toxic gas. Causes
burns. Contact with combustible material may cause fire. Very toxic
to aquatic organisms.Corrosive.Air sensitive.
Potential Health Effects
Eye:
Causes eye burns. May result in corneal injury. May cause
blindness. May cause blepharitis (inflammation of the margins of the
eyelids).
Skin:
Causes severe burns with delayed tissue destruction.
Ingestion:
Harmful if swallowed. May cause severe and permanent damage to the
digestive tract. May cause perforation of the digestive tract. Causes
digestive tract burns with immediate pain, swelling of the throat,
convulsions, and possible coma.
Inhalation:
Causes chemical burns to the respiratory tract. Aspiration may lead
to pulmonary edema. May cause systemic effects. Causes corrosive
action on the mucous membranes.
Chronic:
Prolonged or repeated skin contact may cause dermatitis. Prolonged
or repeated eye contact may cause conjunctivitis. Effects may be
delayed.
**** SECTION 4 - FIRST AID MEASURES ****
Eyes:
Get medical aid immediately. Do NOT allow victim to rub eyes or keep
eyes closed. Extensive irrigation with water is required (at least 30
minutes).
Skin:
Get medical aid immediately. Immediately flush skin with plenty of
water for at least 15 minutes while removing contaminated clothing
and shoes. Wash clothing before reuse. Destroy contaminated shoes.
Ingestion:
Do not induce vomiting. If victim is conscious and alert, give 2-4
cupfuls of milk or water. Never give anything by mouth to an
unconscious person. Get medical aid immediately.
Inhalation:
Get medical aid immediately. Remove from exposure and move to fresh
air immediately. If breathing is difficult, give oxygen. Do NOT use
mouth-to-mouth resuscitation. If breathing has ceased apply
artificial respiration using oxygen and a suitable mechanical device
such as a bag and a mask.
Notes to Physician:
Treat symptomatically and supportively.
**** 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. Strong oxidizer. Contact with other material may
cause fire. During a fire, irritating and highly toxic gases may be
generated by thermal decomposition or combustion. Use water spray to
keep fire-exposed containers cool. Use water with caution and in
flooding amounts. Contaminating or mixing with foreign materials
such as combustibles, grease, and fuels can cause fire. Containers
may explode when heated.
Extinguishing Media:
Use water only! Do NOT use carbon dioxide or dry chemical. Contact
professional fire-fighters immediately. Cool containers with flooding
quantities of water until well after fire is out.
**** 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. Clean up spills immediately, observing precautions in the
Protective Equipment section. Avoid generating dusty conditions.
Remove all sources of ignition. Provide ventilation. Do not get water
inside containers. Do not use combustible materials such as paper
towels to clean up spill.
**** SECTION 7 - HANDLING and STORAGE ****
Handling:
Wash thoroughly after handling. Remove contaminated clothing and
wash before reuse. Use only in a well-ventilated area. Minimize dust
generation and accumulation. Do not get in eyes, on skin, or on
clothing. Keep container tightly closed. Keep away from heat, sparks
and flame. Avoid contact with clothing and other combustible
materials. Do not ingest or inhale. Discard contaminated shoes. Use
only a clean, dry scoop made of metal or plastic each time product
is taken from container. Never use scoops containing remnants of
other products as it may cause a violent reaction leading to fire or
an explosion.
Storage:
Keep away from sources of ignition. Do not store near combustible
materials. Do not store in direct sunlight. Keep container closed
when not in use. Store in a tightly closed container. Keep away from
acids.
**** 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
ventilation to keep airborne concentrations low.
Exposure Limits
CAS# 7778-54-3:
Personal Protective Equipment
Eyes:
Wear appropriate protective eyeglasses or chemical
safety goggles as described by OSHA's eye and face
protection regulations in 29 CFR 1910.133 or European
Standard EN166.
Skin:
Wear appropriate protective gloves to prevent skin
exposure.
Clothing:
Wear appropriate protective clothing to prevent skin
exposure.
Respirators:
A respiratory protection program that meets OSHA's 29
CFR 1910.134 and ANSI Z88.2 requirements or European
Standard EN 149 must be followed whenever workplace
conditions warrant respirator use.
**** SECTION 9 - PHYSICAL AND CHEMICAL PROPERTIES ****
Physical State: Crystalline powder
Color: white
Odor: strong odor - chlorine-like
pH: 11.4 (1% aq. sol.)
Vapor Pressure: Not applicable.
Viscosity: Not available.
Boiling Point: Decomposes
Freezing/Melting Point: 100 deg C
Autoignition Temperature: Not available.
Flash Point: Not available.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature: 180 deg C
Solubility in water: Slightly soluble.
Specific Gravity/Density: 2.350
Molecular Formula: CaCl2O2
Molecular Weight: 142.9848
**** SECTION 10 - STABILITY AND REACTIVITY ****
Chemical Stability:
All hypochlorite solutions are unstable and slowly decompose on
contact with air. Calcium hypochlorite is corrosive to most metals
and will evolve toxic chlorine and chlorine monoxide gas when heated
above 350F. Sudden heating above 212F may cause an explosion.
Pure, dry calcium hypochlorite is not sensitive to friction or
impact. However, in the presence of small amounts of water, it can
decompose to form dangerously unstable dichlorine monoxide, which is
sensitive to friction, shock or static spark.
Conditions to Avoid:
High temperatures, ignition sources, dust generation, acids, excess
heat, combustible materials, organic materials, reducing agents,
moisture, high humidity.
Incompatibilities with Other Materials:
Reducing agents, ammonia, iron oxide, phenols, sulfur, aliphatic
amines, acetylene, cyanides (e.g. potassium cyanide, sodium
cyanide), sulfides (inorganic, e.g. ferric sulfide, lead sulfide,
sodium sulfide), carbontetrachloride, aromatic amines, carbon,
ammonium chloride, charcoal, glycerol, air, ethanol, menthol, rust,
hydroxy compounds (e.g. ethanol, ethylene glycol, gycerol, sugar),
metal oxides, turpentine, diethylene glycol monomethyl ether, acetic
acid + potassium, N,N-dichloromethylamine + heat, 1-propanethiol,
isobutanethiol, sodium hydrogen sulfate + starch + sodium carbonate,
combustible materials (e.g. anthracene, grease, oil, mercaptans,
methyl carbitol, nitromethane, organic matter, and propylmercaptan).
Hazardous Decomposition Products:
Hydrogen chloride, oxygen, chlorine, calcium hydroxide, calcium
carbonate, dichlorine monoxide, Calcium chlorate.
Hazardous Polymerization: Has not been reported.
**** SECTION 11 - TOXICOLOGICAL INFORMATION ****
RTECS#:
CAS# 7778-54-3: NH3485000
LD50/LC50:
CAS# 7778-54-3: Oral, rat: LD50 = 850 mg/kg.
Carcinogenicity:
Calcium hypochlorite -
Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.
**** SECTION 12 - ECOLOGICAL INFORMATION ****
Ecotoxicity:
Fish: Striped bass: LC50 = 0.5 mg/L; 24 Hr; Static bioassay (70%
hypochlorite)
**** SECTION 13 - DISPOSAL CONSIDERATIONS ****
Dispose of in a manner consistent with federal, state, and local regulations.
**** SECTION 14 - TRANSPORT INFORMATION ****
IATA
Shipping Name: CALCIUM HYPOCHLORITE, DRY
Hazard Class: 5.1
UN Number: 1748
Packing Group: II
IMO
Shipping Name: CALCIUM HYPOCHLORITE, DRY
Hazard Class: 5.1
UN Number: 1748
Packing Group: II
RID/ADR
Shipping Name: CALCIUM HYPOCHLORITE, DRY
Hazard Class: 5.1
UN Number: 1748
Packing group: II
USA RQ: CAS# 7778-54-3: 10 lb final RQ; 4.54 kg final RQ
**** SECTION 15 - REGULATORY INFORMATION ****
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: O C N
Risk Phrases:
R 22 Harmful if swallowed.
R 31 Contact with acids liberates toxic gas.
R 34 Causes burns.
R 50 Very toxic to aquatic organisms.
R 8 Contact with combustible material may cause
fire.
Safety Phrases:
S 1/2 Keep locked up and out of reach of children.
S 26 In case of contact with eyes, rinse immediately
with plenty of water and seek medical advice.
S 43 In case of fire, use ... (indicate in the space
the precise type of fire-fighting equipment. If water
increases the risk, add - never use water).
S 43J In case of fire, use water. Do not use dry
chemicals or foams. CO2 or Halon my provide limited
control.
S 45 In case of accident or if you feel unwell, seek
medical advice immediately (show the label where
possible).
WGK (Water Danger/Protection)
CAS# 7778-54-3: 2
Canada
CAS# 7778-54-3 is listed on Canada's DSL List.
CAS# 7778-54-3 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 7778-54-3 is listed on the TSCA inventory.
**** SECTION 16 - ADDITIONAL INFORMATION ****
MSDS Creation Date: 7/19/1999 Revision #5 Date: 2/03/2005
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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