Product #P0004 Page 1 of 7
MATERIAL SAFETY DATA SHEET
Sodium Sulphite
Section 01 - Chemical And Product And Company Information
Product Identifier 鈥︹?︹?︹?︹?︹?︹?︹??.. LPD D-Chlor Tablets
Product Use 鈥︹?︹?︹?︹?︹?︹?︹?︹?︹?︹?? Dechlorinating agent for water and wastewater
Supplier Name鈥︹?︹?︹?︹?︹?︹?︹?︹??.鈥? ClearTech Industries Inc.
2302 Hanselman Avenue
Saskatoon, SK. Canada
S7L 5Z3
Prepared By................鈥︹?︹?︹?︹??..鈥?. ClearTech Industries Inc. Technical Department
Phone: (306)664-2522
Preparation Date.........鈥︹?︹?︹?︹??.鈥?. March 1, 2007
24-Hour Emergency Phone鈥︹?︹?︹??. 306-664-2522
Section 02 - Composition / Information on Ingredients
Hazardous Ingredients....鈥︹?︹?︹??... Sodium Sulphite 81.3%
CAS Number...................鈥︹??.鈥︹??....Sodium Sulphite 7757-83-7
Synonym (s)...................鈥︹?︹?︹?︹??. Disodium sulfite, sodium sulfite
Section 03 - Hazard Identification
Inhalation...................鈥︹?︹?︹??.鈥?......Inhalation of dust may irritate respiratory tract.
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Skin Contact / Absorption鈥︹??.鈥?.... Dust may cause skin irritation from prolonged contact. Solutions will irritate
skin.
Eye Contact................鈥︹?︹?︹??.鈥?.....Dust may irritate or burn eyes. Solutions will irritate or burn eyes.
Ingestion.....................鈥︹?︹?︹?︹?︹??..Ingestion may irritate gastrointestinal tract. May cause severe allergic
reaction in some asthmatics and sulphite sensitive individuals. Large doses
may cause violent colic and diarrhea, circulatory disturbances, central
nervous system depression and even death.
Exposure Limits鈥︹?︹?︹?︹?︹?︹?︹??....TLV= 5mg/m3
PEL= 5mg/m3
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 medical attention if
irritation persists.
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︹?︹?︹?︹?︹??.. If conscious, immediately give 2 to 4 glasses or water or milk and induce
vomiting under medical supervision. Get immediate medical attention.
Additional Information.....鈥︹?︹?︹??.... Not available
Section 05 - Fire Fighting
Conditions of Flammability鈥︹?︹??..... Non-flammable
Means of Extinction........鈥︹?︹?︹??..... Product does not burn. Where fire is involved, use any fire fighting agent
appropriate for surrounding material; use water spray to cool fire-exposed
surfaces.
Flash Point....鈥︹?︹?︹?︹?︹?︹?︹?︹?︹??...Not applicable
Auto-ignition Temperature鈥︹?︹?︹??.. Not applicable
Upper Flammable Limit 鈥︹?︹?︹?︹??... Not applicable
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Lower Flammable Limit...鈥︹?︹??.鈥?....Not applicable
Hazardous Combustible Products.... Sodium sulfide is formed at 600oC. May yield sulphur dioxide gas upon
decmposition at 900oC.
Special Fire Fighting Procedures...... Wear NIOSH-approved self-contained breathing apparatus and protective
clothing.
Explosion Hazards鈥︹?︹?︹?︹?︹?︹??.... Non-explosive
Section 06 - Accidental Release Measures
Leak / Spill................鈥?.鈥︹?︹?︹?︹??....Wear appropriate personal protective equipment if required. Ventilate area.
Stop or reduce leak if safe to do so. Prevent material from entering
sewers. Flush with water to remove any residue. Cautiously spray residue
with plenty of water. Provide ventilation to clear sulphur dioxide fumes
which may form.
Deactivating Materials...鈥︹?︹??.鈥?.....Not available
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 area and away from acids or oxidizers. Keep container
closed. Protect from physical damage.
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︹?︹?︹?︹?︹?︹?︹?︹?︹??.....If dusty conditions prevail use a dust mask approved by NIOSH. If sulphur
dioxide should be released use a self-contained breathing apparatus.
Gloves鈥︹?︹?︹?︹?︹?︹?︹?︹?︹?︹?︹??......Impervious gloves of chemically resistant material (rubber or PVC) should
be worn at all times. Wash contaminated clothing and 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 and dry thoroughly
before reuse.
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Footwear鈥︹?︹?︹?︹?︹?︹?︹?︹?︹?︹??..... No special footwear is required other than what is mandated at place of
work.
Engineering Controls
Ventilation Requirements鈥︹?︹??....... Mechanical ventilation (dilution or local exhaust), process or personnel
enclosure and control of process conditions should be provided. Supply
sufficient replacement air to make up for air removed by exhaust systems.
Other鈥︹?︹?︹?︹?︹?︹?︹?︹?︹?︹?︹?︹??.....Keep incompatible materials out of hoods, ducts, etc. Provide eyewash
facility near work place.
Section 09 - Physical and Chemical Properties
Physical State.......鈥︹??....鈥︹?︹?︹??.....Solid tablet
Odor and Appearance鈥?..鈥︹?︹?︹??.... Slight sulphur odor with pine fragrance, pale green tablet
Odor Threshold....鈥︹?︹?︹?︹??.............Not available
Specific Gravity (Water=1)鈥︹?︹?︹??...> 2.00
Vapor Pressure (mm Hg, 20C)鈥?.鈥?...Not available
Vapor Density (Air=1)..鈥︹?︹?︹?︹??.....Not available
Evaporation Rate........鈥︹??..鈥︹??.鈥?... Not available
Boiling Point...............鈥︹?︹?︹??.鈥?..... Not applicable
Freeze/Melting Point....鈥︹?︹?︹?︹??.....900掳C (decomposes)
pH............................鈥︹?︹?︹?︹?︹??.鈥?...8.8-9.8 (1% solution)
Water/Oil Distribution Coefficient.....Not available
Bulk Density..............鈥︹?︹?︹?︹??.鈥?... Not available
% Volatiles by Volume鈥︹?︹??..鈥︹??... Not available
Solubility in Water...鈥︹?︹?︹?︹?︹??..... 22% w/w at 27掳C
Molecular Formula......鈥︹?︹?︹??.鈥?.....Na2SO3
Molecular Weight........鈥︹?︹?︹?︹??......126.04
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Section 10 - Stability and Reactivity
Stability.................鈥︹?︹?︹??....鈥︹?︹?︹?︹??.Stable under normal conditions
Incompatibility..............鈥︹?︹?︹??..鈥︹?︹??..Acids and strong oxidizers
Hazardous Products of Decomposition.. Reaction with strong oxidizers cause vigorous exothermic reactions.
Reaction with acids release sulfur dioxide gas.
Polymerization...........鈥︹?︹?︹?︹??.鈥︹??.鈥?. Will not occur
Section 11 - Toxicological Information
Irritancy.................鈥︹??..鈥︹?︹?︹??.鈥?. Mild irritant
Sensitization........鈥︹??.......鈥︹?︹?︹??.. Data not available
Chronic/Acute Effects鈥︹??...鈥︹?︹??.. Acute effects - estimated to be moderately toxic.
Synergistic Materials...鈥︹??....鈥︹??... Data not available
Animal Toxicity Data......鈥?..鈥︹?︹??...Not available
Carcinogenicity......鈥︹??......鈥︹?︹??....Not considered to be carcinogenic by the ACGIH or IARC.
Reproductive Toxicity..鈥?...鈥︹?︹??....Not available
Teratogenicity..........鈥?.....鈥︹?︹?︹??... Sodium sulphate is listed as a possible teratogen by the seventh edition of
Dangerous Properties of Industrial Materials.
Mutagenicity...........鈥︹??.....鈥︹?︹?︹??. Sodium sulphite has been demonstrated to be mutagenic in microbial
systems. It has not been mutagenic in studies involving insects and is not
considered to pose a mutagenic threat to multicell organisms such as
animals or humans.
Section 12 - Ecological Information
Fish Toxicity..................鈥︹?︹?︹?︹??...Not available
Biodegradability.............鈥︹?︹??.鈥?.... Not available
Environmental Effects鈥︹?︹?︹?︹?︹??. Not available
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Section 13 - Disposal Consideration
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?.....Not regulated
Group...............鈥︹?︹?︹?︹??.......鈥︹??....Not regulated
PIN Number.................鈥︹??..鈥︹?︹??.... Not regulated
Other鈥︹?︹?︹?︹?︹?︹?︹?︹?︹?︹?︹?︹??..... Secure containers (full and/or empty) with suitable hold down devises
during shipment.
Section 15 - Regulatory Information
WHMIS Classification.......鈥︹?︹?︹??....D2
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.
Attention: Receiver of the chemical goods / MSDS coordinator
As part of our commitment to the Canadian Association of Chemical Distributors (CACD) Responsible
Distribution庐 initiative, ClearTech Industries Inc. and its associated companies require, as a condition of sale, that
you forward the attached Material Safety Data Sheet(s) to all affected employees, customers, and end-users.
ClearTech will send any available supplementary handling, health, and safety information to you at your request.
If you have any questions or concerns please call our customer service or technical service department.
Product #P0004 Page 7 of 7
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, B.C. 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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