Trichloro-S-Triazinetrione

Right to Know

Hazardous Substance Fact Sheet

Common Name: TRICHLOROISOCYANURIC ACID

Synonyms: Symclosene; TCCA; Trichloro-s-Triazinetrione CAS Number: 87-90-1 Chemical Name: 1,3,5-Triazine-2,4,6(1H,3H,5H)-Trione, 1,3,5- RTK Substance Number: 1892 Trichloro- DOT Number: UN 2468 Date: December 2000 Revision: May 2010

Description and Use EMERGENCY RESPONDERS >>>> SEE LAST PAGE Trichloroisocyanuric Acid is a white, crystalline (sand-like) Hazard Summary powder with a Chlorine-like odor. It is often used in granular or Hazard Rating NJDOH NFPA tablet form to kill bacteria and control algae in swimming pools HEALTH - 2 and hot tubs. FLAMMABILITY - 0 REACTIVITY - 2 REACTIVE STRONG OXIDIZER POISONOUS GASES ARE PRODUCED IN FIRE Reasons for Citation CONTAINERS MAY EXPLODE IN FIRE f Trichloroisocyanuric Acid is on the Right to Know Hazard Rating Key: 0=minimal; 1=slight; 2=moderate; 3=serious; Hazardous Substance List because it is cited by DOT and 4=severe NFPA. f This chemical is on the Special Health Hazard Substance f Trichloroisocyanuric Acid can affect you when inhaled. List. f Contact can irritate and burn the skin and eyes.

f Inhaling Trichloroisocyanuric Acid can irritate the nose,

throat and lungs causing coughing, wheezing and/or

shortness of breath.

f Trichloroisocyanuric Acid is REACTIVE and a

DANGEROUS EXPLOSION HAZARD.

f Trichloroisocyanuric Acid is not combustible, but it is a SEE GLOSSARY ON PAGE 5. STRONG OXIDIZER that enhances the combustion of other substances. FIRST AID Eye Contact f Immediately flush with large amounts of water for at least 15 Workplace Exposure Limits minutes, lifting upper and lower lids. Remove contact lenses, if worn, while flushing. Seek medical attention. No occupational exposure limits have been established for Trichloroisocyanuric Acid. However, it may pose a health Skin Contact risk. Always follow safe work practices. f Quickly remove contaminated clothing. Immediately wash contaminated skin with large amounts of soap and water.

Inhalation f Remove the person from exposure. f Begin rescue breathing (using universal precautions) if breathing has stopped and CPR if heart action has stopped. f Transfer promptly to a medical facility.

EMERGENCY NUMBERS

Poison Control: 1-800-222-1222 CHEMTREC: 1-800-424-9300 NJDEP Hotline: 1-877-927-6337 National Response Center: 1-800-424-8802

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Determining Your Exposure Reproductive Hazard f According to the information presently available to the New f Read the product manufacturer’s Material Safety Data Jersey Department of Health, Trichloroisocyanuric Acid Sheet (MSDS) and the label to determine product has not been tested for its ability to affect reproduction. ingredients and important safety and health information about the product mixture. Other Effects f Trichloroisocyanuric Acid has not been tested for other f For each individual hazardous ingredient, read the New chronic (long-term) health effects. Jersey Department of Health Hazardous Substance Fact Sheet, available on the RTK website (www.nj.gov/health/eoh/rtkweb) or in your facility’s RTK Medical Central File or Hazard Communication Standard file. Medical Testing f You have a right to this information under the New Jersey There is no special test for this chemical. However, seek Worker and Community Right to Know Act and the Public medical attention if illness occurs or overexposure is Employees Occupational Safety and Health (PEOSH) Act suspected. if you are a public worker in New Jersey, and under the federal Occupational Safety and Health Act (OSHA) if you Any evaluation should include a careful history of past and are a private worker. present symptoms with an exam. Medical tests that look for damage already done are not a substitute for controlling f The New Jersey Right to Know Act requires most exposure. employers to label chemicals in the workplace and requires public employers to provide their employees with Request copies of your medical testing. You have a legal right information concerning chemical hazards and controls. to this information under the OSHA Access to Employee The federal OSHA Hazard Communication Standard (29 Exposure and Medical Records Standard (29 CFR 1910.1020).

CFR 1910.1200) and the PEOSH Hazard Communication

Standard (N.J.A.C. 12:100-7) require employers to provide

similar information and training to their employees.

This Fact Sheet is a summary of available information regarding the health hazards that may result from exposure. Duration of exposure, concentration of the substance and other factors will affect your susceptibility to any of the potential effects described below.

Health Hazard Information

Acute Health Effects

The following acute (short-term) health effects may occur immediately or shortly after exposure to

Trichloroisocyanuric Acid:

f Contact can irritate and burn the skin and eyes. f Inhaling Trichloroisocyanuric Acid can irritate the nose,

throat and lungs causing coughing, wheezing and/or

shortness of breath.

Chronic Health Effects The following chronic (long-term) health effects can occur at some time after exposure to Trichloroisocyanuric Acid and can last for months or years:

Cancer Hazard f According to the information presently available to the New Jersey Department of Health, Trichloroisocyanuric Acid has not been tested for its ability to cause cancer in animals.

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Workplace Controls and Practices protective clothing materials for Trichloroisocyanuric Acid in water solution. Very toxic chemicals, or those that are reproductive hazards or f All protective clothing (suits, gloves, footwear, headgear) sensitizers, require expert advice on control measures if a less should be clean, available each day, and put on before work. toxic chemical cannot be substituted. Control measures include: (1) enclosing chemical processes for severely irritating and corrosive chemicals, (2) using local exhaust Eye Protection ventilation for chemicals that may be harmful with a single f For solid Trichloroisocyanuric Acid wear eye protection exposure, and (3) using general ventilation to control with side shields or goggles. exposures to skin and eye irritants. For further information on f Wear indirect-vent, impact and splash resistant goggles workplace controls, consult the NIOSH document on Control when working with liquids. Banding at www.cdc.gov/niosh/topics/ctrlbanding/. f Wear a face shield along with goggles when working with corrosive, highly irritating or toxic substances. The following work practices are also recommended: Respiratory Protection f Label process containers. Improper use of respirators is dangerous. Respirators f Provide employees with hazard information and training. should only be used if the employer has implemented a written f Monitor airborne chemical concentrations. program that takes into account workplace conditions, f Use engineering controls if concentrations exceed requirements for worker training, respirator fit testing, and recommended exposure levels. medical exams, as described in the OSHA Respiratory f Provide eye wash fountains and emergency showers. f Wash or shower if skin comes in contact with a hazardous Protection Standard (29 CFR 1910.134). material. f Always wash at the end of the workshift. f Where the potential exists for overexposure to f Change into clean clothing if clothing becomes Trichloroisocyanuric Acid, use a NIOSH approved full contaminated. facepiece respirator with an acid gas cartridge which is f Do not take contaminated clothing home. specifically approved for Trichloroisocyanuric Acid and f Get special training to wash contaminated clothing. high efficiency prefilters. Increased protection is obtained f Do not eat, smoke, or drink in areas where chemicals are from full facepiece powered-air purifying respirators. being handled, processed or stored. f Leave the area immediately if (1) while wearing a filter or f Wash hands carefully before eating, smoking, drinking, cartridge respirator you can smell, taste, or otherwise detect applying cosmetics or using the toilet. Trichloroisocyanuric Acid, (2) while wearing particulate filters abnormal resistance to breathing is experienced, or (3) In addition, the following may be useful or required: eye irritation occurs while wearing a full facepiece respirator. Check to make sure the respirator-to-face seal is still good. f Before entering a confined space where If it is, replace the filter or cartridge. If the seal is no longer Trichloroisocyanuric Acid may be present, check to make good, you may need a new respirator. sure that an explosive concentration does not exist. f Consider all potential sources of exposure in your workplace. You may need a combination of filters, prefilters or cartridges

to protect against different forms of a chemical (such as vapor and mist) or against a mixture of chemicals. Personal Protective Equipment f Where the potential for high exposure exists, use a NIOSH approved supplied-air respirator with a full facepiece The OSHA Personal Protective Equipment Standard (29 CFR operated in a pressure-demand or other positive-pressure 1910.132) requires employers to determine the appropriate mode. For increased protection use in combination with an personal protective equipment for each hazard and to train auxiliary self-contained breathing apparatus or an employees on how and when to use protective equipment. emergency escape air cylinder.

The following recommendations are only guidelines and may not apply to every situation. Fire Hazards If employees are expected to fight fires, they must be trained Gloves and Clothing and equipped as stated in the OSHA Fire Brigades Standard f Avoid skin contact with Trichloroisocyanuric Acid. Wear (29 CFR 1910.156). personal protective equipment made from material which can not be permeated or degraded by this substance. f Trichloroisocyanuric Acid is not combustible, but it is a Safety equipment suppliers and manufacturers can provide STRONG OXIDIZER that enhances the combustion of other recommendations on the most protective glove and clothing substances. material for your operation. f Use water in flooding quantities only. DO NOT USE f Safety equipment manufacturers recommend Nitrile and CHEMICAL or CO2 extinguishing agents. Natural Rubber for gloves, and Tyvek®, or the equivalent, as f POISONOUS GASES ARE PRODUCED IN FIRE, including a protective clothing material for solid Trichloroisocyanuric Chlorine and Nitrogen Trichloride. Acid, and Butyl, Nitrile, Neoprene, Viton and Barrier® as f CONTAINERS MAY EXPLODE IN FIRE. glove materials for Trichloroisocyanuric Acid in water f Use water spray to keep fire-exposed containers cool. solution, and Tychem® SL, CPF3, BR, Responder® and TK, f Trichloroisocyanuric Acid may ignite combustibles (wood, and Trellchem® HPS and VPS, or the equivalent, as paper and oil).

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Spills and Emergencies Occupational Health Information If employees are required to clean-up spills, they must be Resources properly trained and equipped. The OSHA Hazardous Waste Operations and Emergency Response Standard (29 CFR The New Jersey Department of Health offers multiple services 1910.120) may apply. in occupational health. These services include providing informational resources, educational materials, public If Trichloroisocyanuric Acid is spilled, take the following presentations, and industrial hygiene and medical steps: investigations and evaluations. f Evacuate personnel and secure and control entrance to the area. For more information, please contact: f Eliminate all ignition sources. f Collect powdered material in the most convenient and safe manner and place into sealed dry containers for disposal. New Jersey Department of Health f Ventilate and wash area after clean-up is complete. Right to Know f Keep Trichloroisocyanuric Acid out of confined spaces, PO Box 368 such as sewers, because of the possibility of an explosion. Trenton, NJ 08625-0368 f DO NOT wash into sewer. Phone: 609-984-2202 f It may be necessary to contain and dispose of Fax: 609-984-7407 Trichloroisocyanuric Acid as a HAZARDOUS WASTE. Contact your state Department of Environmental Protection E-mail: [email protected] (DEP) or your regional office of the federal Environmental Web address: http://www.nj.gov/health/eoh/rtkweb Protection Agency (EPA) for specific recommendations.

The Right to Know Hazardous Substance Fact Sheets

are not intended to be copied and sold

Handling and Storage for commercial purposes. Prior to working with Trichloroisocyanuric Acid you should be trained on its proper handling and storage.

f Trichloroisocyanuric Acid may explode on HEATING and reacts violently with COMBUSTIBLES. f Trichloroisocyanuric Acid reacts slowly with WATER to release toxic Chlorine gas, Cyanuric Acid, and highly reactive Nitrogen Trichloride. f Trichloroisocyanuric Acid reacts violently with AMMONIA; AMMONIUM SALTS; AMINES; CALCIUM HYPOCHLORITE; HYDROGEN PEROXIDE; SODIUM CARBONATE; COMBUSTIBLE MATERIALS; and REDUCING AGENTS (such as LITHIUM, SODIUM, ALUMINUM and their HYDRIDES) to cause fires and explosions. f Trichloroisocyanuric Acid reacts with STRONG ACIDS (such as HYDROCHLORIC, SULFURIC and NITRIC) to form toxic Chlorine gas. f Store in tightly closed containers in a cool, well-ventilated area away from COMBUSTIBLES and MOISTURE.

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GLOSSARY

ACGIH is the American Conference of Governmental Industrial LEL or Lower Explosive Limit, is the lowest concentration of Hygienists. They publish guidelines called Threshold Limit a combustible substance (gas or vapor) in the air capable of Values (TLVs) for exposure to workplace chemicals. continuing an explosion.

mg/m3 means milligrams of a chemical in a cubic meter of air. Acute Exposure Guideline Levels (AEGLs) are established It is a measure of concentration (weight/volume). by the EPA. They describe the risk to humans resulting from once-in-a lifetime, or rare, exposure to airborne chemicals. A mutagen is a substance that causes mutations. A mutation

is a change in the genetic material in a body cell. Mutations Boiling point is the temperature at which a substance can can lead to birth defects, miscarriages, or cancer. change its physical state from a liquid to a gas.

NFPA is the National Fire Protection Association. It classifies A carcinogen is a substance that causes cancer. substances according to their fire and explosion hazard.

The CAS number is unique, identifying number, assigned by NIOSH is the National Institute for Occupational Safety and the Chemical Abstracts Service, to a specific chemical. Health. It tests equipment, evaluates and approves

respirators, conducts studies of workplace hazards, and CFR is the Code of Federal Regulations, which are the proposes standards to OSHA. regulations of the United States government.

NTP is the National Toxicology Program which tests chemicals A combustible substance is a solid, liquid or gas that will burn. and reviews evidence for cancer.

A corrosive substance is a gas, liquid or solid that causes OSHA is the federal Occupational Safety and Health destruction of human skin or severe corrosion of containers. Administration, which adopts and enforces health and safety

standards. The critical temperature is the temperature above which a gas cannot be liquefied, regardless of the pressure applied. PEOSHA is the New Jersey Public Employees Occupational

Safety and Health Act, which adopts and enforces health and DEP is the New Jersey Department of Environmental safety standards in public workplaces. Protection.

Permeated is the movement of chemicals through protective DOT is the Department of Transportation, the federal agency materials. that regulates the transportation of chemicals.

ppm means parts of a substance per million parts of air. It is a EPA is the Environmental Protection Agency, the federal measure of concentration by volume in air. agency responsible for regulating environmental hazards.

Protective Action Criteria (PAC) are values established by ERG is the Emergency Response Guidebook. It is a guide for the Department of Energy and are based on AEGLs and emergency responders for transportation emergencies ERPGs. They are used for emergency planning of chemical involving hazardous substances. release events.

Emergency Response Planning Guideline (ERPG) values A reactive substance is a solid, liquid or gas that releases provide estimates of concentration ranges where one energy under certain conditions. reasonably might anticipate observing adverse effects.

STEL is a Short Term Exposure Limit which is usually a 15- A fetus is an unborn human or animal. minute exposure that should not be exceeded at any time

during a work day. A flammable substance is a solid, liquid, vapor or gas that will ignite easily and burn rapidly. A teratogen is a substance that causes birth defects by

damaging the fetus. The flash point is the temperature at which a liquid or solid gives off vapor that can form a flammable mixture with air. UEL or Upper Explosive Limit is the highest concentration in

air above which there is too much fuel (gas or vapor) to begin a IARC is the International Agency for Research on Cancer, a reaction or explosion. scientific group.

Vapor Density is the ratio of the weight of a given volume of Ionization Potential is the amount of energy needed to one gas to the weight of another (usually Air), at the same remove an electron from an atom or molecule. It is measured temperature and pressure. in electron volts.

The vapor pressure is a force exerted by the vapor in IRIS is the Integrated Risk Information System database on equilibrium with the solid or liquid phase of the same human health effects that may result from exposure to various substance. The higher the vapor pressure the higher chemicals, maintained by federal EPA. concentration of the substance in air.

Right to Know Hazardous Substance Fact Sheet

Common Name: TRICHLOROISOCYANURIC ACID Synonyms: Symclosene; TCCA; Trichloro-s-Triazinetrione CAS No: 87-90-1 Molecular Formula: C3Cl3N3O3 RTK Substance No: 1892 Description: White, crystalline powder with a Chlorine-like odor, often used in granular or powder form

HAZARD DATA Hazard Rating Firefighting Reactivity 2 - Health REACTIVE SOLID Trichloroisocyanuric Acid may explode on HEATING Trichloroisocyanuric Acid is not combustible, but and reacts violently with COMBUSTIBLES. 0 - Fire it is a STRONG OXIDIZER that enhances the Trichloroisocyanuric Acid reacts slowly with WATER to 2 - Reactivity combustion of other substances. release toxic Chlorine gas, Cyanuric Acid, and highly Use water in flooding quantities only. DO NOT reactive Nitrogen Trichloride. DOT#: UN 2468 USE CHEMICAL or CO2 extinguishing agents. Trichloroisocyanuric Acid reacts violently with ERG Guide #: 140 POISONOUS GASES ARE PRODUCED IN FIRE, AMMONIA; AMMONIUM SALTS; AMINES; CALCIUM HYPOCHLORITE; HYDROGEN PEROXIDE; SODIUM including Chlorine and Nitrogen Trichloride. Hazard Class: 5.1 CARBONATE; COMBUSTIBLE MATERIALS; and (Oxidizer) CONTAINERS MAY EXPLODE IN FIRE. REDUCING AGENTS (such as LITHIUM, SODIUM, Use water spray to keep fire-exposed containers ALUMINUM and their HYDRIDES) to cause fires and cool. explosions. Trichloroisocyanuric Acid may ignite Trichloroisocyanuric Acid reacts with STRONG ACIDS combustibles (wood, paper and oil). (such as HYDROCHLORIC, SULFURIC and NITRIC) to form toxic Chlorine gas.

SPILL/LEAKS PHYSICAL PROPERTIES

Isolation Distance: Odor Threshold: Chlorine-like Spill: 25 meters (75 feet) Flash Point: Noncombustible Fire: 800 meters (1/2 mile) Vapor Density: 2.07 (air = 1) Collect powdered material in the most convenient and safe Vapor Pressure: Negligible manner and place into sealed dry containers for disposal. Specific Gravity: 1.2 (water = 1) Keep Trichloroisocyanuric Acid out of confined spaces, such as sewers, because of the possibility of an explosion. Water Solubility: Reacts slowly DO NOT wash into sewer. Melting Point: 437oF (225oC) (Decomposes) Trichloroisocyanuric Acid is very toxic to aquatic organisms. Molecular Weight: 232.4

EXPOSURE LIMITS PROTECTIVE EQUIPMENT

No occupational exposure limits have been Gloves: Butyl, Nitrile, Neoprene, Viton and Barrier® (>8-hr breakthrough for Hydrogen Chloride) established for Trichloroisocyanuric Acid. The Protective Action Criteria values are: Coveralls: Tychem® SL, CPF3, BR, Responder® and TK, and Trellchem® HPS and VPS (>8-hr breakthrough for Hydrogen Chloride) 3 3 PAC-1 = 75 mg/m PAC-2 = 500 mg/m PAC-3 = 500 mg/m3 Respirator: Small Spill: full facepiece APR with Acid gas cartridges and P100 filters >75 mg/m3 - SCBA HEALTH EFFECTS FIRST AID AND DECONTAMINATION Eyes: Irritation and burns Remove the person from exposure. Skin: Flush eyes with large amounts of water for at least 15 minutes. Remove Irritation and burns Inhalation: Nose, throat and lung irritation with contact lenses if worn. Seek medical attention.

coughing, wheezing and shortness of Quickly remove contaminated clothing and wash contaminated skin with breath large amounts of soap and water.

Begin artificial respiration if breathing has stopped and CPR if necessary. Transfer promptly to a medical facility. May 2010