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SECTION I – IDENTIFICATION
Trade Name: CrystalClear® Dechlorinator
(Liquid)
Name and/or Family or Description:
Sodium Thiosulfate
Chemical Formula: Na2S203 (anhydrous)
Na2S203 (pentahydrate)
Na2S203 + H2O (solution)
CAS
No.: 7772-98-7 (anhydrous)
DOT Proper Shipping Name:
Chemicals Not Otherwise Indexed (NOI)
Non-Hazardous
DOT Hazard Class: Not Regulated
DOT Label: None
SECTION II - COMPONENTS (Hazardous &
Other)
Hazardous Ingredients: None
Known
None of the compounds are considered
carcinogens by the National Toxicology Program, the
International Agency for Research on Cancer, or the
Occupational Safety and Health Administration nor are they
known to be mutagenic.
SECTION
III - PHYSICAL DATA
State: Liquid
Appearance: Clear
Odor: Slight Sulfur Odor
Boiling
Point: 100° C
Melting Point: 48° C
Vapor Density: N/A
Solubility In Water: 42 @ 0 Degrees C (hydrate)
33 @ 0
Degrees C (anhydrous)
Storage Conditions: Store tightly
closed in cool place away from acids or oxidizers.
SECTION IV - FIRE AND EXPLOSION HAZARD
DATA
Flash Point: No Flash Point
Ignition Temperature: N/A
Flammable Limits: N/A
Special Fire Fighting Procedure: Firefighters should wear
self-contained, NIOSH-approved breathing apparatus to
protect against any release of toxic and/or irritating
fumes. Skin and eye protection should also be provided. Use
water spray to keep fire-exposed containers cool and to
knock down fumes.
Unusual Fire Explosion Hazards: If
involved in a fire, toxic and irritating gases and residue
may evolve.
Extinguishing Media: If involved in a
fire, choose extinguishing agent most suitable for type of
surrounding fire. Material itself is not combustible.
SECTION V - HEALTH HAZARD DATA
EFFECTS OF OVEREXPOSURE: Possible allergic response or
irritation in affected individuals to skin contact, eye
contact, or inhalation of dust from product.
MEDICAL
CONDITIONS PRONE TO AGGRAVATION BY EXPOSURE: Individuals
with known allergies, particularly to feedstuffs or enzymes,
as well as those individuals with chronic respiratory
diseases or particular susceptibility thereto and those with
asthmatic conditions should avoid contact with dusty
conditions.
PRIMARY ROUTES OF ENTRY: Ingestion and
Inhalation, no appreciable entry known through intact skin
although irritation possible, see above.
CARCINOGENICITY: THIS MATERIAL IS NOT CONSIDERED TO BE A
CARCINOGEN BY THE NATIONAL TOXICOLOGY PROGRAM, THE
INTERNATIONAL AGENCY FOR RESEARCH ON CANCER, OR THE
OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION
EMERGENCY AND FIRST AID PROCEDURES
Inhalation: Remove
to fresh air. If short of breath, give oxygen, provide a
qualified operator is available. If symptoms persist, get
medical attention.
Ingestion: If conscious, promptly
give 2 to 4 glasses of water and induce vomiting by touching
finger to back of throat. If symptoms develop, get medical
attention.
Eyes: Flush eyes with plenty of water for
at least 15 minutes. If irritation persists, get medical
assistance.
Skin: Wash with soap and water, then
flush with water until all chemical is removed. Remove
contaminated clothing and wash before reuse.
WARNING
STATEMENTS
CAUTION! KEEP OUT OF REACH OF CHILDREN.
MAY CAUSE SKIN OR EYE IRRITATION. STORE IN COOL DRY PLACE.
AVOID CONTACT WITH SKIN AND CLOTHING AND EXCESSIVE
INHALATION. WASH HANDS, CLOTHING AND EQUIPMENT AFTER USE.
SECTION VI REACTIVITY DATA
STABILITY: Stable POLYMERIZATION: Will not occur
CONDITIONS TO AVOID: None Known
MATERIALS TO AVOID:
Strong Oxidizers: cause vigorous exothermic reactions.
Acids: release sulfur dioxide gas
Water-Reactive
Materials such as sodium: cause strong exothermic reaction
with the hydrate.
Violent reaction with sodium
nitrite when water of crystallization has been driven by
heating.
HAZARDOUS DECOMPOSITION PRODUCTS: SULFUR
DIOXIDE GAS: toxic, corrosive, and an oxidizer. SODIUM
SULFIDE RESIDUE: flammable, dangerous fire risk: strong
irritant to skin and tissue: incompatible with acids.
SECTION VII - SPILL, LEAK, AND
DISPOSAL INFORMATION
Waste Disposal:
Dispose of in a sanitary chemical landfill which complies
with all local, state, and federal regulations.
Spill
Or Leakage Procedures: Promptly shovel or sweep up the dry
chemical into an empty container with a minimum of dusting.
Cover and store as above. Contact appropriate regulatory
authorities for approved method of disposal, as necessary.
SECTION VIII - SAFE HANDLING AND USE
INFORMATION
Permissible Concentrations:
Not established
Respiratory Protection: If dusty or
misty condition prevails, use dust or mist respirator,
approved by NIOSH. If sulfur dioxide should be released, use
a supplied-air respirator or self-contained breathing
apparatus or other alternative choice, approved by NIOSH, as
recommended for this gas.
Ventilation: Provide LOCAL
EXHAUST if dusty or misty conditions prevail, and if there
should be a release of sulfur dioxide gas. Keep incompatible
materials out of hoods, ducts, ect.
Other Protective
Equipment: Eye wash facility
Storage and Handling:
Maintain good housekeeping, avoid creating aerosol. Keep out
of direct sunlight and in cool dry place as deterioration of
product and loss of activity may occur under above
conditions.
Eye Protection: ANSI approved safety
glasses with side protection. It is generally recognized
that contact lenses should not be worn when working with
chemicals because contact lenses may contribute to the
severity of an eye injury.
Skin Protection: Long
sleeved shirt, trousers, safety shoes, and gloves.
Hygienic Practices: Wash hands after handling, as well as
any other affected skin areas. Avoid contact with food or
food preparatory surfaces. If this occurs wash the area
thoroughly with suitable detergent and water.
SECTION IX - SPECIAL PRECAUTIONS
Precautions To Be Taken In Handling & Storing: Maintain
good housekeeping, avoid creating aerosols. For maintenance
of product quality, store in dry cool (under 110°F)
warehouse conditions.
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KEEP OUT OF REACH OF CHILDREN
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ALTHOUGH THE INFORMATION AND RECOMMENDATIONS SET FORTH IN
THIS SHEET ARE BELIEVED TO BE CORRECT AS OF THE DATE HEREOF,
WINSTON COMPANY, INC. MAKES NO REPRESENTATION AS TO THE
COMPLETENESS OR ACCURACY OF SUCH INFORMATION AND
RECOMMENDATIONS. WINSTON COMPANY, INC SHALL IN NO EVENT BE
RESPONSIBLE FOR ANY DAMAGES OF WHATSOEVER NATURE DIRECTLY OR
INDIRECTLY RESULTING FROM THE PUBLICATION OR USE OF OR
RELIANCE UPON SUCH INFORMATION AND RECOMMENDATIONS. YOU ARE
ENCOURAGED TO ADVISE ANYONE WORKING WITH OR EXPOSED TO SUCH
PRODUCTS OF THE INFORMATION CONTAINED HEREIN.
NO
WARRANTY, EITHER EXPRESS OR IMPLIED, OF MERCHANTABILITY OR
FITNESS OR OF ANY OTHER NATURE WITH RESPECT TO THE PRODUCT
OR TO THE INFORMATION AND RECOMMENDATIONS HEREIN MADE
HEREUNDER.
Winston Company, Inc. has lead the
biological water treatment industry for over 25 years now by
offering only the highest quality bacteria and enzyme
solutions for municipal wastewater treatment, sludge
treatment and pond treatment. |
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