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SECTION I – IDENTIFICATION
Trade Name: CrystalClear® Dechlorinator
(Dry)
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: Solid
Appearance: White Granules
Odor: None
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 XIV- SPECIAL PRECAUTIONS
Precautions To Be Taken In Handling And 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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