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1705 Chemical Name: Sodium Sulfide (Na(SH)) DOT Number: UN 2318 (Less Than 25% Water of Date: August 1999 Revision: August 2009 Crystallization)

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1705 Chemical Name: Sodium Sulfide (Na(SH)) DOT Number: UN 2318 (Less Than 25% Water of Date: August 1999 Revision: August 2009 Crystallization) Right to Know Hazardous Substance Fact Sheet Common Name: SODIUM HYDROSULFIDE Synonyms: Sodium Bisulfide; Sodium Hydrogen Sulfide; CAS Number: 16721-80-5 Sodium Mercaptan RTK Substance Number: 1705 Chemical Name: Sodium Sulfide (Na(SH)) DOT Number: UN 2318 (less than 25% water of Date: August 1999 Revision: August 2009 crystallization) Description and Use EMERGENCY RESPONDERS >>>> SEE LAST PAGE Sodium Hydrosulfide is a colorless to lemon-colored, Hazard Summary crystalline (sand-like) solid with a rotten egg odor. It is used to Hazard Rating NJDOH NFPA make heavy water for nuclear reactors, as a chemical HEALTH 3 - intermediate and pulping agent in making paper, and in making FLAMMABILITY *2 - dyes and other chemicals. REACTIVITY 1 - CORROSIVE * SPONTANEOUSLY COMBUSTIBLE POISONOUS GASES ARE PRODUCED IN FIRE Reasons for Citation Hazard Rating Key: 0=minimal; 1=slight; 2=moderate; 3=serious; f Sodium Hydrosulfide is on the Right to Know Hazardous 4=severe Substance List because it is cited by DOT. f This chemical is on the Special Health Hazard Substance f Sodium Hydrosulfide can affect you when inhaled and may List. be absorbed through the skin. f Sodium Hydrosulfide is a CORROSIVE CHEMICAL and contact can severely irritate and burn the skin and eyes leading to eye damage. f Exposure can irritate the nose and throat. SEE GLOSSARY ON PAGE 5. f Inhaling Sodium Hydrosulfide can irritate the lungs. Higher exposures may cause a build-up of fluid in the lungs FIRST AID (pulmonary edema), a medical emergency. f Sodium Hydrosulfide can cause headache, nausea, Eye Contact vomiting, dizziness, lightheadedness, and passing out. f Immediately flush with large amounts of water for at least 30 f Sodium Hydrosulfide, when not in solution, may be minutes, lifting upper and lower lids. Remove contact SPONTANEOUSLY COMBUSTIBLE when exposed to AIR. lenses, if worn, while flushing. Seek medical attention f Sodium Hydrosulfide forms Hydrogen Sulfide gas, immediately. especially when heated or involved in a fire. Consult the Right to Know Hazardous Substance Fact Sheet on Skin Contact HYDROGEN SULFIDE. f Quickly remove contaminated clothing. Immediately wash contaminated skin with large amounts of soap and water. Seek medical attention immediately. Workplace Exposure Limits The following exposure limits are for Hydrogen Sulfide: Inhalation f Remove the person from exposure. OSHA: The legal airborne permissible exposure limit (PEL) is f Begin rescue breathing (using universal precautions) if 20 ppm, not to be exceeded at any time and 50 ppm breathing has stopped and CPR if heart action has stopped. as a 10-minute peak. f Transfer promptly to a medical facility. f Medical observation is recommended for 24 to 48 hours after NIOSH: The recommended airborne exposure limit (REL) is overexposure, as pulmonary edema may be delayed. 10 ppm, which should not be exceeded during any 10-minute work period. EMERGENCY NUMBERS ACGIH: The threshold limit value (TLV) is 1 ppm averaged over an 8-hour workshift and 5 ppm as a STEL Poison Control: 1-800-222-1222 (short-term exposure limit). CHEMTREC: 1-800-424-9300 NJDEP Hotline: 1-877-927-6337 f The above exposure limits are for air levels only. When skin contact also occurs, you may be overexposed, even though National Response Center: 1-800-424-8802 air levels are less than the limits listed above. SODIUM HYDROSULFIDE Page 2 of 6 Determining Your Exposure Chronic Health Effects The following chronic (long-term) health effects can occur at f Read the product manufacturer’s Material Safety Data some time after exposure to Sodium Hydrosulfide and can Sheet (MSDS) and the label to determine product last for months or years: ingredients and important safety and health information about the product mixture. Cancer Hazard f According to the information presently available to the New f For each individual hazardous ingredient, read the New Jersey Department of Health, Sodium Hydrosulfide has not Jersey Department of Health Hazardous Substance Fact been tested for its ability to cause cancer in animals. Sheet, available on the RTK website (www.nj.gov/health/eoh/rtkweb) or in your facility’s RTK Reproductive Hazard Central File or Hazard Communication Standard file. f According to the information presently available to the New Jersey Department of Health, Sodium Hydrosulfide has not f You have a right to this information under the New Jersey been tested for its ability to affect reproduction. Worker and Community Right to Know Act, the Public Employees Occupational Safety and Health (PEOSH) Act Other Effects if you are a public worker in New Jersey, and under the f Sodium Hydrosulfide can irritate the lungs. Repeated federal Occupational Safety and Health Act (OSHA) if you exposure may cause bronchitis to develop with coughing, are a private worker. phlegm, and/or shortness of breath. f The New Jersey Right to Know Act requires most employers to label chemicals in the workplace and requires public employers to provide their employees with Medical information concerning chemical hazards and controls. Medical Testing The federal OSHA Hazard Communication Standard (29 If symptoms develop or overexposure is suspected, the CFR 1910.1200) and the PEOSH Hazard Communication following are recommended: Standard (N.J.A.C. 12:100-7) require employers to provide similar information and training to their employees. f Lung function tests f Consider chest x-ray after acute overexposure This Fact Sheet is a summary of available information Any evaluation should include a careful history of past and regarding the health hazards that may result from exposure. present symptoms with an exam. Medical tests that look for Duration of exposure, concentration of the substance and other damage already done are not a substitute for controlling factors will affect your susceptibility to any of the potential exposure. effects described below. Request copies of your medical testing. You have a legal right to this information under the OSHA Access to Employee Health Hazard Information Exposure and Medical Records Standard (29 CFR 1910.1020). Acute Health Effects The following acute (short-term) health effects may occur Mixed Exposures immediately or shortly after exposure to Sodium f Smoking can cause heart disease, lung cancer, Hydrosulfide: emphysema, and other respiratory problems. It may worsen respiratory conditions caused by chemical exposure. Even if f Contact can severely irritate and burn the skin and eyes you have smoked for a long time, stopping now will reduce leading to eye damage. your risk of developing health problems. f Exposure can irritate the nose and throat. f Inhaling Sodium Hydrosulfide can irritate the lungs causing coughing and/or shortness of breath. Higher exposures may cause a build-up of fluid in the lungs (pulmonary edema), a medical emergency, with severe shortness of breath. f Sodium Hydrosulfide can cause headache, nausea, vomiting, dizziness, muscle cramps, disorientation, lightheadedness, and passing out. Higher levels can cause coma, seizures and death. SODIUM HYDROSULFIDE Page 3 of 6 Workplace Controls and Practices Eye Protection Very toxic chemicals, or those that are reproductive hazards or f For solid Sodium Hydrosulfide wear eye protection with sensitizers, require expert advice on control measures if a less side shields or goggles. toxic chemical cannot be substituted. Control measures f Wear indirect-vent, impact and splash resistant goggles include: (1) enclosing chemical processes for severely when working with liquids. irritating and corrosive chemicals, (2) using local exhaust f Wear a face shield along with goggles when working with ventilation for chemicals that may be harmful with a single corrosive, highly irritating or toxic substances. exposure, and (3) using general ventilation to control exposures to skin and eye irritants. For further information on Respiratory Protection workplace controls, consult the NIOSH document on Control Improper use of respirators is dangerous. Respirators Banding at www.cdc.gov/niosh/topics/ctrlbanding/. should only be used if the employer has implemented a written program that takes into account workplace conditions, The following work practices are also recommended: requirements for worker training, respirator fit testing, and medical exams, as described in the OSHA Respiratory f Label process containers. f Provide employees with hazard information and training. Protection Standard (29 CFR 1910.134). f Monitor airborne chemical concentrations. f Use engineering controls if concentrations exceed f Where the potential exists for exposure over 1 ppm (as recommended exposure levels. Hydrogen Sulfide), use a NIOSH approved full facepiece f Provide eye wash fountains and emergency showers. powered-air purifying respirator which is specifically f Wash or shower if skin comes in contact with a hazardous approved for Hydrogen Sulfide. material. f Leave the area immediately if (1) while wearing a filter or f Always wash at the end of the workshift. cartridge respirator you can smell, taste, or otherwise detect f Change into clean clothing if clothing becomes Sodium Hydrosulfide, (2) while wearing particulate filters contaminated. abnormal resistance to breathing is experienced, or (3) eye f Do not take contaminated clothing home. irritation occurs while wearing a full facepiece respirator. f Get special training to wash contaminated clothing. Check to make sure the respirator-to-face seal is still good. f Do not eat, smoke, or drink in areas where chemicals are If it is, replace
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