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Common Name: 2,6-DI-Tert-BUTYL-P-CRESOL CAS Number

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Common Name: 2,6-DI-Tert-BUTYL-P-CRESOL CAS Number Common Name: 2,6-DI-tert-BUTYL-p-CRESOL CAS Number: 128-37-0 RTK Substance number: 0814 DOT Number: None Date: April 1997 Revision: April 2004 --------------------------------------------------------------------------- --------------------------------------------------------------------------- HAZARD SUMMARY WORKPLACE EXPOSURE LIMITS * 2,6-Di-tert-Butyl-p-Cresol can affect you when breathed NIOSH: The recommended airborne exposure limit is in. 10 mg/m3 averaged over a 10-hour workshift. * 2,6-Di-tert-Butyl-p-Cresol may damage the developing fetus. ACGIH: The recommended airborne exposure limit is * Contact can irritate the skin and eyes. 2 mg/m3, measured as the inhalable fraction of * Repeated exposure to 2,6-Di-tert-Butyl-p-Cresol may the aerosol, averaged over an 8-hour workshift. affect the liver. WAYS OF REDUCING EXPOSURE IDENTIFICATION * Where possible, enclose operations and use local exhaust 2,6-Di-tert-Butyl-p-Cresol is a white crystalline (sand-like) ventilation at the site of chemical release. If local exhaust solid. It is used as an antioxidant, a stabilizer in petroleum, ventilation or enclosure is not used, respirators should be rubber and plastic, and as a widely used food additive. worn. * Wear protective work clothing. REASON FOR CITATION * Wash thoroughly immediately after exposure to 2,6-Di- * 2,6-Di-tert-Butyl-p-Cresol is on the Hazardous Substance tert-Butyl-p-Cresol and at the end of the workshift. List because it is cited by ACGIH, NIOSH, IARC and * Post hazard and warning information in the work area. In NFPA. addition, as part of an ongoing education and training * Definitions are provided on page 5. effort, communicate all information on the health and safety hazards of 2,6-Di-tert-Butyl-p-Cresol to HOW TO DETERMINE IF YOU ARE BEING potentially exposed workers. EXPOSED 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 information and training concerning chemical hazards and controls. The federal OSHA Hazard Communication Standard, 1910.1200, requires private employers to provide similar training and information to their employees. * Exposure to hazardous substances should be routinely evaluated. This may include collecting personal and area air samples. You can obtain copies of sampling results from your employer. You have a legal right to this information under OSHA 1910.1020. * If you think you are experiencing any work-related health problems, see a doctor trained to recognize occupational diseases. Take this Fact Sheet with you. 2,6-DI-tert-BUTYL-p-CRESOL page 2 of 6 This Fact Sheet is a summary source of information of all WORKPLACE CONTROLS AND PRACTICES potential and most severe health hazards that may result from exposure. Duration of exposure, concentration of the substance Unless a less toxic chemical can be substituted for a hazardous and other factors will affect your susceptibility to any of the substance, ENGINEERING CONTROLS are the most potential effects described below. effective way of reducing exposure. The best protection is to --------------------------------------------------------------------------- enclose operations and/or provide local exhaust ventilation at the site of chemical release. Isolating operations can also HEALTH HAZARD INFORMATION reduce exposure. Using respirators or protective equipment is less effective than the controls mentioned above, but is Acute Health Effects sometimes necessary. The following acute (short-term) health effects may occur immediately or shortly after exposure to 2,6-Di-tert-Butyl-p- In evaluating the controls present in your workplace, consider: Cresol: (1) how hazardous the substance is, (2) how much of the substance is released into the workplace and (3) whether * Contact can irritate the skin and eyes. harmful skin or eye contact could occur. Special controls should be in place for highly toxic chemicals or when Chronic Health Effects significant skin, eye, or breathing exposures are possible. The following chronic (long-term) health effects can occur at some time after exposure to 2,6-Di-tert-Butyl-p-Cresol and In addition, the following control is recommended: can last for months or years: * Where possible, automatically transfer 2,6-Di-tert-Butyl-p- Cancer Hazard Cresol from drums or other storage containers to process * There is limited evidence that 2,6-Di-tert-Butyl-p-Cresol containers. causes cancer in animals. It may cause lung, brain and liver cancer. Good WORK PRACTICES can help to reduce hazardous * Many scientists believe there is no safe level of exposure to exposures. The following work practices are recommended: a carcinogen. * Workers whose clothing has been contaminated by 2,6-Di- Reproductive Hazard tert-Butyl-p-Cresol should change into clean clothing * 2,6-Di-tert-Butyl-p-Cresol may damage the developing promptly. fetus. * Do not take contaminated work clothes home. Family members could be exposed. Other Long-Term Effects * Contaminated work clothes should be laundered by * Repeated exposure to 2,6-Di-tert-Butyl-p-Cresol may individuals who have been informed of the hazards of affect the liver. exposure to 2,6-Di-tert-Butyl-p-Cresol. * Eye wash fountains should be provided in the immediate MEDICAL work area for emergency use. * If there is the possibility of skin exposure, emergency shower facilities should be provided. Medical Testing * On skin contact with 2,6-Di-tert-Butyl-p-Cresol, If symptoms develop or overexposure is suspected, the immediately wash or shower to remove the chemical. At following are recommended: the end of the workshift, wash any areas of the body that may have contacted 2,6-Di-tert-Butyl-p-Cresol, whether * Liver function tests. or not known skin contact has occurred. * Do not eat, smoke, or drink where 2,6-Di-tert-Butyl-p- Any evaluation should include a careful history of past and Cresol is handled, processed, or stored, since the chemical present symptoms with an exam. Medical tests that look for can be swallowed. Wash hands carefully before eating, damage already done are not a substitute for controlling drinking, smoking, or using the toilet. exposure. * Use a vacuum or a wet method to reduce dust during clean- up. DO NOT DRY SWEEP. Request copies of your medical testing. You have a legal right to this information under OSHA 1910.1020. PERSONAL PROTECTIVE EQUIPMENT Mixed Exposures WORKPLACE CONTROLS ARE BETTER THAN * Because more than light alcohol consumption can cause PERSONAL PROTECTIVE EQUIPMENT. However, for liver damage, drinking alcohol may increase the liver some jobs (such as outside work, confined space entry, jobs damage caused by 2,6-Di-tert-Butyl-p-Cresol. done only once in a while, or jobs done while workplace controls are being installed), personal protective equipment may be appropriate. 2,6-DI-tert-BUTYL-p-CRESOL page 3 of 6 OSHA 1910.132 requires employers to determine the appropriate personal protective equipment for each hazard and QUESTIONS AND ANSWERS to train employees on how and when to use protective equipment. Q: If I have acute health effects, will I later get chronic health effects? The following recommendations are only guidelines and may A: Not always. Most chronic (long-term) effects result from not apply to every situation. repeated exposures to a chemical. Clothing Q: Can I get long-term effects without ever having short- * Avoid skin contact with 2,6-Di-tert-Butyl-p-Cresol. Wear term effects? protective gloves and clothing. Safety equipment A: Yes, because long-term effects can occur from repeated suppliers/manufacturers can provide recommendations on exposures to a chemical at levels not high enough to make the most protective glove/clothing material for your you immediately sick. operation. * All protective clothing (suits, gloves, footwear, headgear) Q: What are my chances of getting sick when I have been should be clean, available each day, and put on before exposed to chemicals? work. A: The likelihood of becoming sick from chemicals is increased as the amount of exposure increases. This is Eye Protection determined by the length of time and the amount of * Wear eye protection with side shields or goggles. material to which someone is exposed. * Wear a face shield along with goggles when working with corrosive, highly irritating or toxic substances. Q: When are higher exposures more likely? A: Conditions which increase risk of exposure include dust Respiratory Protection releasing operations (grinding, mixing, blasting, dumping, IMPROPER USE OF RESPIRATORS IS DANGEROUS. etc.), other physical and mechanical processes (heating, Such equipment should only be used if the employer has a pouring, spraying, spills and evaporation from large written program that takes into account workplace conditions, surface areas such as open containers), and "confined requirements for worker training, respirator fit testing and space" exposures (working inside vats, reactors, boilers, medical exams, as described in OSHA 1910.134. small rooms, etc.). * NIOSH has established new testing and certification Q: Is the risk of getting sick higher for workers than for requirements for negative pressure, air purifying, particulate community residents? filter and filtering facepiece respirators. The filter A: Yes. Exposures in the community, except possibly in classifications of dust/mist/fume, paint spray or pesticide cases of fires or spills, are usually much lower than those prefilters, and filters for radon daughters, have been found in the workplace. However, people in the replaced with the N, R, and P series. Each series has three community may be exposed to contaminated water as well levels of filtering efficiency: 95%, 99%, and 99.9%. as to chemicals in the air over long periods. This may be Check with your safety equipment supplier or your a problem for children or people who are already ill. respirator manufacturer to determine which respirator is appropriate for your facility. Q: Don't all chemicals cause cancer? * If while wearing a filter or cartridge respirator you can A: No.
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