Material Safety Data Sheet of
Trichloroisocyanuric acid
Section 1 - Chemical Product
Chemical Name: Trichloroisocyanuric acid
Synonyms: Symclosene; 1,3,5-Trichloro-1-triazine-2,4,6(1H,3H,5H)-trione.
Section 2 - Composition, Information on Ingredients
CAS# Chemical Name Percent
87-90-1 Trichloroisocyanuric Acid 90+
Section 3 - Hazards Identification
EMERGENCY OVERVIEW
Appearance: white powder or granular,tablet.
Danger!Strong oxidizer. Contact with other material may cause a fire. Harmful if swallowed, inhaled, or absorbed through the skin. Causes eye, skin, and respiratory tract irritation. Contact with acids liberates toxic gas. Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. Hygroscopic (absorbs moisture from the air).
Target Organs: Kidneys, liver, respiratory system, eyes, skin.
Potential Health Effects
Eye: Causes eye irritation.
Skin: Causes skin irritation. Harmful if absorbed through the skin.
Ingestion: Harmful if swallowed. May cause irritation of the digestive tract.
Inhalation: Harmful if inhaled. Causes respiratory tract irritation.
Chronic: May cause liver and kidney damage.
Section 4 - First Aid Measures
Eyes: Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid imme diately.
Skin: Get medical aid immediately. Immediately flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes.
Ingestion: Do not induce vomiting. Get medical aid immediately. Call a poison control center. 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 victim ingested or inhaled the substance; induce artificial respiration with the aid of a pocket mask equipped with a one-way valve or other proper respiratory medical device.
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.
Extinguishing Media: Use water spray, dry chemical, carbon dioxide, or chemical foam. Contact professional fire-fighters immediately.
Flash Point: Not applicable.
Autoignition Temperature: Not available.
Explosion Limits, Lower:Not available.
Upper: Not available.
NFPA Rating: (estimated) Health: 2; Flammability: 1; Instability: 2; Special Hazard: OX
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. Wear a self contained breathing apparatus and appropriate personal protection. (See Exposure Controls, Personal Protection section). Avoid generating dusty conditions. Provide ventilation. Do not use combustible mat
erials such as paper towels to clean up spill. Keep combustibles (wood, paper, oil, etc.,) away from spilled material. Do not let this chemical enter the environment.
Section 7 - Handling and Storage
Handling: Minimize dust generation and accumulation. Do not get in eyes, on skin, or on clothing. Do not ingest or inhale. Use only in a chemical fume hood. Keep from contact with clothing and other combustible materials.
Storage: Do not store near combustible materials. Store in a cool, dry place. Store in a tightly closed container. Store under an inert atmosphere.
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 only under a chemical fume hood.
Exposure Limits
Chemical Name ACGIH NIOSH OSHA - Final PELs Trichloroisocyanuric
none listed none listed none listed Acid
OSHA Vacated PELs: Trichloroisocyanuric Acid: No OSHA Vacated PELs are listed for this chemical.
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
reactive substanceZ88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant respirator use.
Section 9 - Physical and Chemical Properties
Physical State: solid
Appearance: white
Odor: None reported.
pH: 3.0 (1% aq.sol.)
Vapor Pressure: Not available.
Vapor Density: Not available.
Evaporation Rate:Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point:245 - 251 deg C
Decomposition Temperature:225 deg C
Solubility: 12 g/L
Specific Gravity/Density:Not available.
Molecular Formula:C3Cl3N3O3
Molecular Weight:232.41
Section 10 - Stability and Reactivity
Chemical Stability: Hygroscopic: absorbs moisture or water from the air.
Conditions to Avoid: Incompatible materials, dust generation, combustible materials, exposure to moist air or water.
Incompatibilities with Other Materials: Strong bases, strong oxidizing agents, strong reducing agents.
Hazardous Decomposition Products: Hydrogen chloride, nitrogen oxides, carbon monoxide, carbon dioxide.
Hazardous Polymerization: Has not been reported.
Section 11 - Toxicological Information
RTECS#:    CAS# 87-90-1
LD50/LC50:CAS# 87-90-1:
Draize test, rabbit, eye: 500 mg Severe;
Draize test, rabbit, skin: 500 mg/24H Moderate;
Oral, rat: LD50 = 406 mg/kg;
Carcinogenicity:
CAS# 87-90-1: Not listed by ACGIH, IARC, NTP, or CA Prop 65.
Epidemiology: No information found
Teratogenicity: No information found
Reproductive Effects: No information found
Mutagenicity: No information found
Neurotoxicity: No information found
Other Studies:
Section 12 - Ecological Information
Ecotoxicity: No data available. No information available.
Environmental: No information available.
Physical: No information available.
Other: Do not empty into drains.
Section 13 - Disposal Considerations
Chemical waste generators must determine whether a discarded chemical is classified as a hazardous waste. US EPA guidelines for the classification determination are listed in 40 CFR Parts 261.3. Additionally, waste generators must consult state and local hazardous waste regulations to ensure complete and accurate classification.
RCRA P-Series: None listed.
RCRA U-Series: None listed.  Section 14 - Transport Information  Section 15 - Regulatory Information
US FEDERAL
TSCA  CAS# 87-90-1 is listed on the TSCA inventory.
Health & Safety Reporting List None of the chemicals are on the Health & Safety Reporting List.  Chemical Test Rules None of the chemicals in this product are under a Chemical Test Rule.  Section 12b  None of the chemicals are listed under TSCA Section 12b.
TSCA Significant New Use Rule
None of the chemicals in this material have a SNUR under TSCA.
CERCLA Hazardous Substances and corresponding RQs
None of the chemicals in this material have an RQ.
SARA Section 302 Extremely Hazardous Substances
None of the chemicals in this product have a TPQ.
SARA Codes
CAS # 87-90-1: immediate, fire, reactive.
Section 313      No chemicals are reportable under Section 313.
Clean Air Act:
This material does not contain any hazardous air pollutants.
This material does not contain any Class 1 Ozone depletors.
This material does not contain any Class 2 Ozone depletors.
Clean Water Act:
None of the chemicals in this product are listed as Hazardous Substances under the CWA.      None of the chemicals in this product are listed as Priority Pollutants under the CWA.      None of the chemicals in this product are listed as Toxic Pollutants under the CWA.  OSHA:
None of the chemicals in this product are considered highly hazardous by OSHA.
STATE
CAS# 87-90-1 can be found on the following state right to know lists: New Jersey,
Pennsylvania, Massachusetts.
California Prop 65
California No Significant Risk Level: None of the chemicals in this product are listed.
US DOT  Canada TDG  Shipping Name:
TRICHLOROISOCYANURIC ACID, DRY TRICHLOROISOCYANURIC ACID, DRY Hazard Class:
5.1    5.1 UN Number:
UN2468 UN2468 Packing Group:
II II
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols:XN O N
Risk Phrases:
R 22 Harmful if swallowed.
R 31 Contact with acids liberates toxic gas.
R 36/37 Irritating to eyes and respiratory system.
R 8 Contact with combustible material may cause fire.
R 50/53 Very toxic to aquatic organisms, may cause long-term
adverse effects in the aquatic environment.
Safety Phrases:
S 26 In case of contact with eyes, rinse immediately with plenty of
water and seek medical advice.
S 41 In case of fire and/or explosion do not breathe fumes.
S 8 Keep container dry.
S 60 This material and its container must be disposed of as hazardou
s waste.
S 61 Avoid release to the environment. Refer to special instructions
/safety data sheets.
WGK (Water Danger/Protection)
CAS# 87-90-1: No information available.
Canada - DSL/NDSL
CAS# 87-90-1 is listed on Canada's DSL List.
Canada - WHMIS
This product has a WHMIS classification of C, D1B.
This product has been classified in accordance with the hazard criteria of the Controlled Products Regulations and the MSDS contains all of the information required by those regulations. Canadian Ingredient Disclosure List
CAS# 87-90-1 is listed on the Canadian Ingredient Disclosure List.
Section 16 - Additional Information
MSDS Creation Date: 9/02/1997
Revision #8 Date: 1/14/2008
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 im
plied, 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.

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