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MATERIAL SAFETY DATA SHEET
Calcium Hypochlorite
Section 01 - Chemical And Product And Company Information
HTH庐 Dry Chlorine Granular
Product Identifier 鈥︹?︹?︹?︹?︹?︹?︹??..
Product Use 鈥︹?︹?︹?︹?︹?︹?︹?︹?︹?︹?? Disinfection in swimming pools and drinking water supplies; slime and
odour control.
Supplier Name鈥︹?︹?︹?︹?︹?︹?︹?︹??.鈥? ClearTech Industries Inc.
2303 Hanselman Avenue
Saskatoon SK S7l 5Z3
Canada
Prepared By................鈥︹?︹?︹?︹??..鈥?. ClearTech Industries Inc. Technical Department
Phone: (306)664-2522
Preparation Date.........鈥︹?︹?︹?︹??.鈥?. March 3, 2003
24-Hour Emergency Phone鈥︹?︹?︹??. 306-664-2522
Section 02 - Composition / Information on Ingredients
Hazardous Ingredients....鈥︹?︹?︹??.. Calcium Hypochlorite 60-80%
Sodium Chloride 10-20%
Calcium Chloride 0-5%
Calcium Hydroxide 0-4%
Calcium Carbonate 0-5%
Calcium Chlorate 0-5%
CAS Number...................鈥︹??.鈥︹??.. Calcium Hypochlorite 7778-54-3
Sodium Chloride 7647-14-5
Calcium Chloride 10043-52-4
Calcium Hydroxide 1305-62-0
Calcium Carbonate 471-34-1
Calcium Chlorate 10137-74-3
Synonym (s)...................鈥︹?︹?︹?︹??. Calcium oxychloride; chlorinated lime; hypochlorous acid; Chloryte; Chlor-
tabs; Sock It dry chlorine granular
Section 03 - Hazard Identification
Inhalation...................鈥︹?︹?︹??.鈥?. Dust and mist irritate the nose and throat. In confined areas, mechanical
agitation can result in high levels of dust, and reaction with incompatibles
materials (e.g., acids and water/moisture) can result in high concentrations
of chlorine vapour, either of which may result in burns to the respiratory
tract, producing lung edema, shortness of breath, wheezing, choking, chest
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pains, impairment of lung function, and possible permanent lung damage.
Skin Contact / Absorption鈥︹??.鈥? Calcium hypochlorite dust and solutions can cause irritation and in severe
cases, chemical burns, which are characterized by redness, swelling, and
scab formation. Moisture from perspirations will accelerate tissue
destruction.
Eye Contact................鈥︹?︹?︹??.鈥?... Exposure to calcium hypochlorite can cause eye irritation and vision
impairment. Contact can produce impairment of vision and corneal damage.
Ingestion.....................鈥︹?︹?︹?︹?︹?? When ingested, there will be burning of the mouth and throat. Can cause
abdominal cramps, vomiting, diarrhea, nausea, and/or tissue ulceration
which may lead to convulsions, coma, and even death.
Exposure Limits鈥︹?︹?︹?︹?︹?︹?︹??.. Ceiling = 3 mg/m3 as chlorine (manufacturer's internal standard)
Section 04 - First Aid Measures
Inhalation....................鈥︹?︹?︹?︹?︹?? Remove victim to fresh air. Give artificial respiration only if breathing has
stopped. If breathing is difficult, give oxygen. Seek immediate medical
attention.
Skin Contact / Absorption鈥︹?︹?︹?? Remove contaminated clothing. Wash affected area with soap and water.
Seek medical attention if irritation occurs or persists
Eye Contact..................鈥︹?︹?︹?︹??.. Flush immediately with water for at least 20 minutes. Forcibly hold eyelids
apart to ensure complete irrigation of eye tissue. Seek immediate medical
attention
Ingestion......................鈥︹?︹?︹?︹?︹?? Immediately give large amounts of water. Do not induce vomiting. If
vomiting occurs, lean victim forward to prevent breathing in vomitus. Do not
give anything by mouth to an unconscious or convulsing person. Seek
immediate medical attention.
Section 05 - Fire Fighting
Conditions of Flammability鈥︹?︹??.. Non-flammable. Calcium hypochlorite is a strong oxidizing agent; may form
explosive mixtures with combustibles, organic, or other oxidizable
materials.
Means of Extinction........鈥︹?︹?︹??.. Drench with water, and cool surrounding products and area with water.
Avoid dry extinguishers containing ammonium compounds.
Flash Point....鈥︹?︹?︹?︹?︹?︹?︹?︹?︹?? Not Applicable
Auto-ignition Temperature鈥︹?︹?︹?? Not Applicable
Upper Flammable Limit 鈥︹?︹?︹?︹?? Not Applicable
Lower Flammable Limit...鈥︹?︹??.鈥? Not Applicable
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Hazardous Combustible Products. Chlorine, oxygen, and chlorine monoxide at higher temperatures. Water in
contact with hot calcium hypochlorite can release hydrochloric acid or
chlorine gas.
Special Fire Fighting Procedures... Wear NIOSH-approved self-contained breathing Apparatus and protective
clothing.
Explosion Hazards鈥︹?︹?︹?︹?︹?︹??. Not sensitive to mechanical impact or static discharge.
Section 06 - Accidental Release Measures
Leak / Spill................鈥?.鈥︹?︹?︹?︹??.. Wear appropriate personal protective equipment. Ventilate area. Only enter
area with PPE. Stop or reduce leak if safe to do so. Prevent material from
entering sewers.
Deactivating Materials...鈥︹?︹??.鈥?... Hydrogen peroxide, sodium sulphite, or sodium bisulphite.
Section 07 - Handling and Storage
Handling Procedures.......鈥︹?︹?︹??.. Use proper equipment for lifting and transporting all containers. Use
sensible industrial hygiene and housekeeping practices. Wash thoroughly
after handling. Avoid all situations that could lead to harmful exposure.
Storage Requirements......鈥︹??...鈥?. Store in a cool, dry, well-ventilated place. Keep container tightly closed, and
away from incompatible materials. Keep out of the sun.
Section 08 - Personal Protection and Exposure Controls
Protective Equipment
Eyes.鈥︹?︹?︹?︹?︹?︹?︹?︹?︹??.鈥︹?︹??.. Chemical goggles, full-face shield, or a full-face respirator is to be worn at
all times when product is handled. Contact lenses should not be worn; they
may contribute to severe eye injury.
Respiratory鈥︹?︹?︹?︹?︹?︹?︹?︹?︹??... Use NIOSH-approved respirator - full facepiece with chlorine and dust/mist
cartridges when dust is present. Use a self-contained breathing apparatus
should be used for major spills.
Gloves鈥︹?︹?︹?︹?︹?︹?︹?︹?︹?︹?︹??.... Impervious gloves of chemically resistant material (rubber or PVC) should
be worn at all times. Wash contaminated clothing with soap and water, dry
thoroughly before reuse.
Clothing鈥︹?︹?︹?︹?︹?︹?︹?︹??..鈥︹??... Body suits, aprons, and/or coveralls of chemical resistant material should
be worn at all times. Wash contaminated clothing with soap and water, dry
thoroughly before reuse.
Footwear鈥︹?︹?︹?︹?︹?︹?︹?︹?︹?︹??.... Impervious boots of chemically resistant material should be worn at all
times
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Other鈥︹?︹?︹?︹?︹?︹?︹?︹?︹?︹??.鈥︹??.. No other information available
Engineering Controls
Ventilation Requirements鈥︹?︹??..... Mechanical ventilation (dilution or local exhaust), process or personnel
enclosure, and control of process conditions. Supply sufficient replacement
air to make up for air removed by exhaust systems.
Other鈥︹?︹?︹?︹?︹?︹?︹?︹?︹?︹?︹?︹??... Emergency shower and eyewash should be in close proximity.
Section 09 - Physical and Chemical Properties
Physical State.......鈥︹??....鈥︹?︹?︹??.. Solid
Odor and Appearance鈥?..鈥︹?︹?︹??.. White, free flowing granular solid with a strong chlorine odour
Odor Threshold....鈥︹?︹?︹?︹??.......... ~ 1.4 mg/m3 based on chlorine
Specific Gravity (Water=1)鈥︹?︹?︹?? 2.35 (calcium hypochlorite)
Vapor Pressure (mm Hg, 20C)鈥?.鈥? Not Applicable
Vapor Density (Air=1)..鈥︹?︹?︹?︹??.. Not Applicable
Evaporation Rate........鈥︹??..鈥︹??.鈥?. Not Applicable
Boiling Point...............鈥︹?︹?︹??.鈥?... 100掳C decomposes
Freeze/Melting Point....鈥︹?︹?︹?︹??.. 100掳C decomposes
pH............................鈥︹?︹?︹?︹?︹??.鈥? 10.4-10.8 (1% solution)
Water/Oil Distribution Coefficient... Not Applicable
Bulk Density..............鈥︹?︹?︹?︹??.鈥?. 800 kg/m3
% Volatiles by Volume鈥︹?︹??..鈥︹??. Not Available
Solubility in Water...鈥︹?︹?︹?︹?︹??... 18% at 25掳C
Molecular Formula......鈥︹?︹?︹??.鈥?.. Ca(OCl)2
Molecular Weight........鈥︹?︹?︹?︹??... 142.98 (calcium hypochlorite)
Section 10 - Stability and Reactivity
Stability.................鈥︹?︹?︹??....鈥︹?︹?︹?︹?? Stable. Heat and contamination could cause decomposition.
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Incompatibility..............鈥︹?︹?︹??..鈥︹?︹??. Acids, reducing agents, combustible materials such as wood, cloth, or
organic materials, dry powder fire extinguishers containing
monoammonium phosphate, metals such as iron and copper and their
alloys, water or steam, ammonia, urea, amines.
Water in contact with calcium hypochlorite releases chlorine gas.
Hazardous Products of Decomposition
Contact with incompatibles presents an explosion and fire hazard.
Toxic or corrosive fumes may be liberated. These include chlorine gas.
Polymerization...........鈥︹?︹?︹?︹??.鈥︹??.鈥? Will not occur
Section 11 - Toxicological Information
Irritancy.................鈥︹??..鈥︹?︹?︹??.鈥? Causes burns to eyes and skin
Sensitization........鈥︹??.......鈥︹?︹?︹?? Not Available
Chronic/Acute Effects鈥︹??...鈥︹?︹??. Skin irritation may occur from repeated or prolonged skin contact. Chronic
inhalation exposure may cause impairment of lung function and permanent
lung damage. Asthma, respiratory and cardiovascular disease may be
aggravated by exposure to this chemical.
Synergistic Materials...鈥︹??....鈥︹??.. Not Available
Animal Toxicity Data......鈥?..鈥︹?︹??. LC50(inhalation,rat,1 hour) = 1300 mg/m3 based on chlorine
LD50(oral,rat) = 850 mg/kg
LD50(dermal,rabbit) > 2000 mg/kg
Carcinogenicity......鈥︹??......鈥︹?︹??.. Not considered to be carcinogenic as per IARC, NTP, OSHA, and ACGIH
Reproductive Toxicity..鈥?...鈥︹?︹??.. Not reported to show reproductive toxicity.
Teratogenicity..........鈥?.....鈥︹?︹?︹??.. Not a Tetrogen
Mutagenicity...........鈥︹??.....鈥︹?︹?︹?? Not a Mutagen
Section 12 - Ecological Information
Fish Toxicity..................鈥︹?︹?︹?︹??. Aquatic toxicity:
LC50(bluegill,96 hour) = 0.088 mg/L
LC50(rainbow trout,96 hour) = 0.16 mg/L
LC50(daphnia magna,48 hour) = 0.11 mg/L
Wildlife toxicity
LC50(bobwhite quail,dietary) > 5000 ppm
LC50(mallard ducklings,dietary) > 5000 ppm
LD50(oral,bobwhite quail) = 3474 mg/kg
Biodegradability.............鈥︹?︹??.鈥?... Not Available
Environmental Effects鈥︹?︹?︹?︹?︹?? Not Available
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Section 13 - Disposal Considerations
Waste Disposal...........鈥?...鈥︹?︹?︹??. Dispose in accordance with all federal, provincial, and/or local regulations
including the Canadian Environmental Protection Act.
Section 14 - Transportation Information
TDG Classification
Class鈥︹?︹?︹?︹??..鈥︹?︹?︹?︹?︹??..鈥?.. 5.1
Group...............鈥︹?︹?︹?︹??.......鈥︹??. II
PIN Number.................鈥︹??..鈥︹?︹??.. UN2880
Other鈥︹?︹?︹?︹?︹?︹?︹?︹?︹?︹?︹?︹??... Secure containers (full and/or empty) with suitable hold down devises
during shipment.
Section 15 - Regulatory Information
WHMIS Classification.......鈥︹?︹?︹?? Product is packaged as a consumer product.
NOTE: THE PRODUCT LISTED ON THIS MSDS HAS BEEN CLASSIFIED IN ACCORDANCE WITH THE
HAZARD CRITERIA OF THE CANADIAN CONTROLLED PRODUCTS REGULATIONS. THIS MSDS
CONTAINS ALL INFORMATION REQUIRED BY THOSE REGULATIONS
Section 16 - Other Information
Note: The responsibility to provide a safe workplace remains with the user. The user should consider the
health hazards and safety information contained herein as a guide and should take those precautions
required in an individual operation to instruct employees and develop work practice procedures for a safe
work environment. The information contained herein is, to the best of our knowledge and belief, accurate.
However, since the conditions of handling and use are beyond our control, we make no guarantee of
results, and assume no liability for damages incurred by the use of this material. It is the responsibility of
the user to comply with all applicable laws and regulations.
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ClearTech Industries Inc. - Locations
Corporate Head Office: 2302 Hanselman Avenue, Saskatoon, SK, S7L 5Z3
Phone: 306-664-2522
Fax: 306-665-6216
www.ClearTech.ca
Location Address Postal Code Phone Number Fax Number
Richmond BC 12431 Horseshoe way V7A 4X6 604-272-4000 604-272-4596
5516E - 40th St. S.E.
Calgary AB T2C 2A1 403-279-1096 403-236-0989
11750 - 180th Street
Edmonton AB T5S 1N7 780-452-6000 780-452-4600
Saskatoon SK 2302 Hanselman Avenue S7L 5Z3 306-933-0177 306-933-3282
Regina SK 555 Henderson Drive S42 5X2 306-721-7737 306-721-8611
Winnipeg MB 340 Saulteaux Crescent R3J 3T2 204-987-9777 204-987-9770
Mississauga ON 7480 Bath Road L4T 1L2 905-612-0566 905-612-0575
24 Hour Emergency Number - All Locations - 306-664-2522
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