CAS Number: 143-33-9 DOT Number: UN 1689 RTK Substance number: 1693 DOT Hazard Class: 6 (Poison) Date: June 1998 Revision: August 2006 ------
HAZARD SUMMARY * Sodium Cyanide can affect you when breathed in and information under the OSHA Access to Employee may be absorbed through the skin. Exposure and Medical Records Standard (29 CFR * Contact can irritate the skin and eyes. 1910.1020). * Breathing Sodium Cyanide can irritate the nose, throat * If you think you are experiencing any work-related health and lungs causing coughing, wheezing and/or shortness of problems, see a doctor trained to recognize occupational breath. diseases. Take this Fact Sheet with you. * High exposure can cause headache, dizziness, fast heartbeat, and even unconsciousness and death. WORKPLACE EXPOSURE LIMITS * Sodium Cyanide may cause the thyroid gland to enlarge. The following exposure limits are for Cyanide salts (measured * Exposure can damage the nervous system and cause as Cyanide): changes in the blood cell count. * Repeated lower exposures can cause nose discharge, OSHA: The legal airborne permissible exposure limit 3 nosebleeds, and sores in the nose. (PEL) is 5 mg/m averaged over an 8-hour workshift. IDENTIFICATION NIOSH: The recommended airborne exposure limit is Sodium Cyanide is a white powder (like salt) with a faint 3 almond-like odor. It is used as a solid or in solution to extract 5 mg/m , which should not be exceeded during metal ores, in electroplating and metal cleaning baths, metal any 10-minute work period. hardening, and in insecticides. ACGIH: The recommended airborne exposure limit is 3 REASON FOR CITATION 5 mg/m , which should not be exceeded at any time. * Sodium Cyanide is on the Hazardous Substance List
because it is regulated by OSHA and cited by ACGIH, * The above exposure limits are for air levels only. When DOT, NIOSH, DEP, IRIS, NFPA and EPA. skin contact also occurs, you may be overexposed, even * Definitions are provided on page 5. though air levels are less than the limits listed above.
HOW TO DETERMINE IF YOU ARE BEING WAYS OF REDUCING EXPOSURE EXPOSED * Where possible, enclose operations and use local exhaust The New Jersey Right to Know Act requires most employers ventilation at the site of chemical release. If local exhaust to label chemicals in the workplace and requires public ventilation or enclosure is not used, respirators should be employers to provide their employees with information and worn. training concerning chemical hazards and controls. The * Wear protective work clothing. federal OSHA Hazard Communication Standard (29 CFR * Wash thoroughly immediately after exposure to Sodium 1910.1200) requires private employers to provide similar Cyanide and at the end of the workshift. training and information to their employees. * Post hazard and warning information in the work area. In addition, as part of an ongoing education and training * Exposure to hazardous substances should be routinely effort, communicate all information on the health and evaluated. This may include collecting personal and area safety hazards of Sodium Cyanide to potentially exposed air samples. You can obtain copies of sampling workers. results from your employer. You have a legal right to this
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This Fact Sheet is a summary source of information of all * Thyroid function tests potential and most severe health hazards that may result from * Exam of the nervous system exposure. Duration of exposure, concentration of the substance and other factors will affect your susceptibility to any of the Any evaluation should include a careful history of past and potential effects described below. present symptoms with an exam. Medical tests that look for ------damage already done are not a substitute for controlling - exposure.
HEALTH HAZARD INFORMATION Request copies of your medical testing. You have a legal right to this information under the OSHA Access to Employee Acute Health Effects Exposure and Medical Records Standard (29 CFR 1910.1020). The following acute (short-term) health effects may occur immediately or shortly after exposure to Sodium Cyanide: Mixed Exposures * Since cigarette smoke also contains some Cyanide, smokers * Contact can irritate the skin and eyes. may have somewhat higher blood Cyanide and urine * Breathing Sodium Cyanide can irritate the nose, throat and thiocyanate levels. lungs causing coughing, wheezing and/or shortness of breath. WORKPLACE CONTROLS AND PRACTICES * High exposure can cause headache, dizziness, fast heartbeat, and even unconsciousness and death. Unless a less toxic chemical can be substituted for a hazardous substance, ENGINEERING CONTROLS are the most Chronic Health Effects effective way of reducing exposure. The best protection is to The following chronic (long-term) health effects can occur at enclose operations and/or provide local exhaust ventilation at some time after exposure to Sodium Cyanide and can last for the site of chemical release. Isolating operations can also months or years: reduce exposure. Using respirators or protective equipment is less effective than the controls mentioned above, but is Cancer Hazard sometimes necessary. * According to the information presently available to the New Jersey Department of Health and Senior Services, Sodium In evaluating the controls present in your workplace, consider: Cyanide has not been tested for its ability to cause cancer (1) how hazardous the substance is, (2) how much of the in animals. substance is released into the workplace and (3) whether harmful skin or eye contact could occur. Special controls Reproductive Hazard should be in place for highly toxic chemicals or when * There is limited evidence that Sodium Cyanide is a significant skin, eye, or breathing exposures are possible. teratogen in animals. Until further testing has been done, it should be treated as a possible teratogen in humans. In addition, the following control is recommended:
Other Long-Term Effects * Where possible, automatically transfer Sodium Cyanide * Sodium Cyanide may cause the thyroid gland to enlarge from drums or other storage containers to process and interfere with normal thyroid function. containers. * Exposure can damage the nervous system and cause changes in the blood cell count. Good WORK PRACTICES can help to reduce hazardous * Repeated lower exposures can cause nose discharge, exposures. The following work practices are recommended: nosebleeds, and sores in the nose. * Workers whose clothing has been contaminated by Sodium MEDICAL Cyanide should change into clean clothing promptly. * Do not take contaminated work clothes home. Family members could be exposed. Medical Testing * Contaminated work clothes should be laundered by Before beginning employment and at regular times after that, individuals who have been informed of the hazards of the following is recommended: exposure to Sodium Cyanide. * Eye wash fountains should be provided in the immediate * Urine thiocyanate levels work area for emergency use. * If there is the possibility of skin exposure, emergency If symptoms develop or overexposure is suspected, the shower facilities should be provided. following are recommended: * On skin contact with Sodium Cyanide, immediately wash or shower to remove the chemical. At the end of the * Blood Cyanide level workshift, wash any areas of the body that may have * Complete blood count contacted Sodium Cyanide, whether or not known skin contact has occurred. SODIUM CYANIDE page 3 of 6
* Do not eat, smoke, or drink where Sodium Cyanide is * Exposure to 25 mg/m3 (as Cyanide) is immediately handled, processed, or stored, since the chemical can be dangerous to life and health. If the possibility of exposure swallowed. Wash hands carefully before eating, drinking, above 25 mg/m3 exists, use a NIOSH approved self- applying cosmetics, smoking, or using the toilet. contained breathing apparatus with a full facepiece operated * Use a vacuum or a wet method to reduce dust during clean- in a pressure-demand or other positive-pressure mode. up. DO NOT DRY SWEEP. QUESTIONS AND ANSWERS PERSONAL PROTECTIVE EQUIPMENT Q: If I have acute health effects, will I later get chronic WORKPLACE CONTROLS ARE BETTER THAN health effects? PERSONAL PROTECTIVE EQUIPMENT. However, for A: Not always. Most chronic (long-term) effects result from some jobs (such as outside work, confined space entry, jobs repeated exposures to a chemical. done only once in a while, or jobs done while workplace controls are being installed), personal protective equipment Q: Can I get long-term effects without ever having short- may be appropriate. term effects? A: Yes, because long-term effects can occur from repeated The OSHA Personal Protective Equipment Standard (29 CFR exposures to a chemical at levels not high enough to make 1910.132) requires employers to determine the appropriate you immediately sick. personal protective equipment for each hazard and to train employees on how and when to use protective equipment. Q: What are my chances of getting sick when I have been
exposed to chemicals? The following recommendations are only guidelines and may A: The likelihood of becoming sick from chemicals is not apply to every situation. increased as the amount of exposure increases. This is
determined by the length of time and the amount of Clothing material to which someone is exposed. * Avoid skin contact with Sodium Cyanide. Wear protective gloves and clothing. Safety equipment Q: When are higher exposures more likely? suppliers/manufacturers can provide recommendations on A: Conditions which increase risk of exposure include dust the most protective glove/clothing material for your releasing operations (grinding, mixing, blasting, dumping, operation. etc.), other physical and mechanical processes (heating, * Safety equipment manufacturers recommend Tychem® pouring, spraying, spills and evaporation from large CPF4, BR and LV, Responder®, TK and Reflector® as protective materials. surface areas such as open containers), and "confined * All protective clothing (suits, gloves, footwear, headgear) space" exposures (working inside vats, reactors, boilers, should be clean, available each day, and put on before small rooms, etc.). work. Q: Is the risk of getting sick higher for workers than for Eye Protection community residents? * Wear impact resistant eye protection with side shields or A: Yes. Exposures in the community, except possibly in goggles. cases of fires or spills, are usually much lower than those * Wear a face shield along with goggles when working with found in the workplace. However, people in the corrosive, highly irritating or toxic substances. community may be exposed to contaminated water as well as to chemicals in the air over long periods. This may be Respiratory Protection a problem for children or people who are already ill.
IMPROPER USE OF RESPIRATORS IS DANGEROUS. Q: Who is at the greatest risk from reproductive hazards? Such equipment should only be used if the employer has a A: Pregnant women are at greatest risk from chemicals that written program that takes into account workplace conditions, harm the developing fetus. However, chemicals may requirements for worker training, respirator fit testing, and affect the ability to have children, so both men and medical exams, as described in the OSHA Respiratory women of childbearing age are at high risk. Protection Standard (29 CFR 1910.134).
Q: Should I be concerned if a chemical is a teratogen in * Where the potential exists for exposure over 5 mg/m3 (as animals? Cyanide), use a NIOSH approved supplied-air respirator A: Yes. Although some chemicals may affect humans with a full facepiece operated in a pressure-demand or other differently than they affect animals, damage to animals positive-pressure mode. For increased protection use in suggests that similar damage can occur in humans. combination with an auxiliary self-contained breathing apparatus operated in a pressure-demand or other positive- pressure mode. SODIUM CYANIDE page 4 of 6
------The following information is available from:
New Jersey Department of Health and Senior Services Occupational Health Service PO Box 360 Trenton, NJ 08625-0360 (609) 984-1863 (609) 984-7407 (fax)
Web address: http://www.state.nj.us/health/eoh/odisweb/
Industrial Hygiene Information Industrial hygienists are available to answer your questions regarding the control of chemical exposures using exhaust ventilation, special work practices, good housekeeping, good hygiene practices, and personal protective equipment including respirators. In addition, they can help to interpret the results of industrial hygiene survey data.
Medical Evaluation If you think you are becoming sick because of exposure to chemicals at your workplace, you may call personnel at the Department of Health and Senior Services, Occupational Health Service, who can help you find the information you need.
Public Presentations Presentations and educational programs on occupational health or the Right to Know Act can be organized for labor unions, trade associations and other groups.
Right to Know Information Resources The Right to Know Infoline (609) 984-2202 can answer questions about the identity and potential health effects of chemicals, list of educational materials in occupational health, references used to prepare the Fact Sheets, preparation of the Right to Know Survey, education and training programs, labeling requirements, and general information regarding the Right to Know Act. Violations of the law should be reported to (609) 984-2202. ------
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DEFINITIONS
ACGIH is the American Conference of Governmental NAERG is the North American Emergency Response Industrial Hygienists. It recommends upper limits (called Guidebook. It was jointly developed by Transport Canada, the TLVs) for exposure to workplace chemicals. United States Department of Transportation and the Secretariat of Communications and Transportation of Mexico. It is a A carcinogen is a substance that causes cancer. guide for first responders to quickly identify the specific or generic hazards of material involved in a transportation The CAS number is assigned by the Chemical Abstracts incident, and to protect themselves and the general public Service to identify a specific chemical. during the initial response phase of the incident.
CFR is the Code of Federal Regulations, which consists of the NFPA is the National Fire Protection Association. It classifies regulations of the United States government. substances according to their fire and explosion hazard.
A combustible substance is a solid, liquid or gas that will burn. NIOSH is the National Institute for Occupational Safety and Health. It tests equipment, evaluates and approves respirators, A corrosive substance is a gas, liquid or solid that causes conducts studies of workplace hazards, and proposes standards irreversible damage to human tissue or containers. to OSHA.
DEP is the New Jersey Department of Environmental NTP is the National Toxicology Program which tests Protection. chemicals and reviews evidence for cancer.
DOT is the Department of Transportation, the federal agency OSHA is the Occupational Safety and Health Administration, that regulates the transportation of chemicals. which adopts and enforces health and safety standards.
EPA is the Environmental Protection Agency, the federal PEL is the Permissible Exposure Limit which is enforceable by agency responsible for regulating environmental hazards. the Occupational Safety and Health Administration.
A fetus is an unborn human or animal. PIH is a DOT designation for chemicals which are Poison Inhalation Hazards. A flammable substance is a solid, liquid, vapor or gas that will ignite easily and burn rapidly. ppm means parts of a substance per million parts of air. It is a measure of concentration by volume in air. The flash point is the temperature at which a liquid or solid gives off vapor that can form a flammable mixture with air. A reactive substance is a solid, liquid or gas that releases energy under certain conditions. IARC is the International Agency for Research on Cancer, a scientific group that classifies chemicals according to their STEL is a Short Term Exposure Limit which is usually a 15- cancer-causing potential. minute exposure that should not be exceeded at any time during a work day. IRIS is the Integrated Risk Information System database of the federal EPA. A teratogen is a substance that causes birth defects by damaging the fetus. A miscible substance is a liquid or gas that will evenly dissolve in another. TLV is the Threshold Limit Value, the workplace exposure limit recommended by ACGIH. mg/m3 means milligrams of a chemical in a cubic meter of air. It is a measure of concentration (weight/volume). The vapor pressure is a measure of how readily a liquid or a solid mixes with air at its surface. A higher vapor pressure A mutagen is a substance that causes mutations. A mutation is indicates a higher concentration of the substance in air and a change in the genetic material in a body cell. Mutations can therefore increases the likelihood of breathing it in. lead to birth defects, miscarriages, or cancer.
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Common Name: SODIUM CYANIDE HANDLING AND STORAGE DOT Number: UN 1689 DOT Hazard Class: 6 (Poison) * Prior to working with Sodium Cyanide you should be NAERG Code: 157 trained on its proper handling and storage. CAS Number: 143-33-9 * Sodium Cyanide reacts with STRONG ACIDS (such as HYDROCHLORIC, SULFURIC and NITRIC); CARBON DIOXIDE; WATER; and DAMP AIR to form HIGHLY Hazard rating NJDHSS NFPA FLAMMABLE Hydrogen Cyanide gas. FLAMMABILITY - 0 * Sodium Cyanide is not compatible with OXIDIZING REACTIVITY - 0 AGENTS (such as PERCHLORATES, PEROXIDES, POISONOUS GASES ARE PRODUCED IN FIRE OR PERMANGANATES, CHLORATES, NITRATES, ON CONTACT WITH ACID OR WATER CHLORINE, BROMINE and FLUORINE); ACID SALTS; ALCOHOLS; ISOCYANATES; and CAPROLACTUM DO NOT USE WATER OR CO 2 SOLUTION. Hazard Rating Key: 0=minimal; 1=slight; 2=moderate; * Store in tightly closed containers in a cool, well-ventilated 3=serious; 4=severe area away from COMBUSTIBLES and METALS (such as
FIRE HAZARDS COPPER, MAGNESIUM and ZINC).
* Use alcohol or polymer foam extinguishers on a fire. FIRST AID For POISON INFORMATION call 1-800-222-1222 * DO NOT USE WATER or CO2. * POISONOUS GASES ARE PRODUCED IN FIRE, Eye Contact including Hydrogen Cyanide and Nitrogen Oxides. * Immediately flush with large amounts of water for at least * Use water spray to keep fire-exposed containers cool. 15 minutes, occasionally lifting upper and lower lids. Seek * If employees are expected to fight fires, they must be medical attention immediately. trained and equipped as stated in the OSHA Fire Brigades Standard (29 CFR 1910.156). Skin Contact
* Quickly remove contaminated clothing. Immediately wash SPILLS AND EMERGENCIES area with large amounts of soap and water. Seek medical attention immediately. If solid Sodium Cyanide is spilled take the following steps: Breathing * Evacuate personnel and secure and control entrance to the * Remove the person from exposure. area. * Begin rescue breathing (using universal precautions) if * Collect powdered material in the most convenient and safe breathing has stopped and CPR if heart action has stopped. manner and deposit in sealed containers. * Transfer promptly to a medical facility. * DO NOT USE WATER OR WET METHOD.
* Ventilate area after clean-up is complete. PHYSICAL DATA * It may be necessary to contain and dispose of Sodium o o Cyanide as a HAZARDOUS WASTE. Contact your state Vapor Pressure: 0 mm Hg at 68 F (20 C) Department of Environmental Protection (DEP) or your Water Solubility: Highly soluble regional office of the federal Environmental Protection Agency (EPA) for specific recommendations. OTHER COMMONLY USED NAMES * If employees are required to clean-up spills, they must be Chemical Name: properly trained and equipped. The OSHA Hazardous Sodium Cyanide Waste Operations and Emergency Response Standard (29 Other Names: CFR 1910.120) may apply. Cyanide of Sodium; Cymag; Hydrocyanic Acid, Sodium Salt ------======-- FOR LARGE SPILLS AND FIRES immediately call your fire Not intended to be copied and sold for commercial department. You can request emergency information from the purposes. following: ------
-- CHEMTREC: (800) 424-9300 NEW JERSEY DEPARTMENT OF HEALTH AND NJDEP HOTLINE: 1-877-WARN-DEP SENIOR SERVICES ======Right to Know Program
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