Common Name: ISOCYANIC ACID, 3,4- DICHLOROPHENYL ESTER CAS Number: 102-36-3 DOT Number: UN 2250 RTK Substance number: 0658 DOT Hazard Class: 6.1 (Poisonous) Date: October 2001 Revision: April 2007 ------------------------------------------------------------------------- ------------------------------------------------------------------------- HAZARD SUMMARY * Isocyanic Acid, 3,4-Dichlorophenyl Ester can affect you * Exposure to hazardous substances should be routinely when breathed in. evaluated. This may include collecting personal and area * Contact can severely irritate the skin and eyes. air samples. You can obtain copies of sampling results * Breathing Isocyanic Acid, 3,4-Dichlorophenyl Ester can from your employer. You have a legal right to this irritate the nose and throat. information under the OSHA Access to Employee * Breathing Isocyanic Acid, 3,4-Dichlorophenyl Ester can Exposure and Medical Records Standard (29 CFR irritate the lungs causing coughing and/or shortness of 1910.1020). breath. Higher exposures may cause a build-up of fluid in * If you think you are experiencing any work-related health the lungs (pulmonary edema), a medical emergency, with problems, see a doctor trained to recognize occupational severe shortness of breath. diseases. Take this Fact Sheet with you. * Isocyanic Acid, 3,4-Dichlorophenyl Ester may cause a skin allergy. If allergy develops, very low future exposure WORKPLACE EXPOSURE LIMITS can cause itching and a skin rash. No occupational exposure limits have been established for * Isocyanic Acid, 3,4-Dichlorophenyl Ester may affect the Isocyanic Acid, 3,4-Dichlorophenyl Ester. This does not liver and kidneys. mean that this substance is not harmful. Safe work practices should always be followed. IDENTIFICATION Isocyanic Acid, 3,4-Dichlorophenyl Ester is a white to WAYS OF REDUCING EXPOSURE yellow sand-like solid. It is used to make other chemicals. * Where possible, enclose operations and use local exhaust ventilation at the site of chemical release. If local exhaust REASON FOR CITATION ventilation or enclosure is not used, respirators should be * Isocyanic Acid, 3,4-Dichlorophenyl Ester is on the worn. Hazardous Substance List because it is cited by DOT, DEP * Wear protective work clothing. and EPA. * Wash thoroughly immediately after exposure to Isocyanic * Definitions are provided on page 5. Acid, 3,4-Dichlorophenyl Ester and at the end of the workshift. HOW TO DETERMINE IF YOU ARE BEING * Post hazard and warning information in the work area. In EXPOSED addition, as part of an ongoing education and training The New Jersey Right to Know Act requires most employers effort, communicate all information on the health and to label chemicals in the workplace and requires public safety hazards of Isocyanic Acid, 3,4-Dichlorophenyl employers to provide their employees with information and Ester to potentially exposed workers. training concerning chemical hazards and controls. The federal OSHA Hazard Communication Standard (29 CFR 1910.1200) requires private employers to provide similar training and information to their employees. ISOCYANIC ACID, 3,4-DICHLOROPHENYL ESTER page 2 of 6 This Fact Sheet is a summary source of information of all Any evaluation should include a careful history of past and potential and most severe health hazards that may result from present symptoms with an exam. Medical tests that look for exposure. Duration of exposure, concentration of the substance damage already done are not a substitute for controlling and other factors will affect your susceptibility to any of the exposure. potential 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 Mixed Exposures The following acute (short-term) health effects may occur * Because smoking can cause heart disease, as well as lung immediately or shortly after exposure to Isocyanic Acid, 3,4- cancer, emphysema, and other respiratory problems, it may Dichlorophenyl Ester: worsen respiratory conditions caused by chemical exposure. Even if you have smoked for a long time, stopping now will * Contact can severely irritate the skin and eyes. reduce your risk of developing health problems. * Breathing Isocyanic Acid, 3,4-Dichlorophenyl Ester can * Because more than light alcohol consumption can cause irritate the nose and throat. liver damage, drinking alcohol may increase the liver * Breathing Isocyanic Acid, 3,4-Dichlorophenyl Ester can damage caused by Isocyanic Acid, 3,4-Dichlorophenyl irritate the lungs causing coughing and/or shortness of Ester. breath. Higher exposures may cause a build-up of fluid in the lungs (pulmonary edema), a medical emergency, with WORKPLACE CONTROLS AND PRACTICES severe shortness of breath. Unless a less toxic chemical can be substituted for a hazardous Chronic Health Effects substance, ENGINEERING CONTROLS are the most The following chronic (long-term) health effects can occur at effective way of reducing exposure. The best protection is to some time after exposure to Isocyanic Acid, 3,4- enclose operations and/or provide local exhaust ventilation at Dichlorophenyl Ester and can last for months or years: the site of chemical release. Isolating operations can also reduce exposure. Using respirators or protective equipment is Cancer Hazard less effective than the controls mentioned above, but is * According to the information presently available to the New sometimes necessary. Jersey Department of Health and Senior Services, Isocyanic Acid, 3,4-Dichlorophenyl Ester has not been In evaluating the controls present in your workplace, consider: tested for its ability to cause cancer in animals. (1) how hazardous the substance is, (2) how much of the substance is released into the workplace and (3) whether Reproductive Hazard harmful skin or eye contact could occur. Special controls * According to the information presently available to the New should be in place for highly toxic chemicals or when Jersey Department of Health and Senior Services, significant skin, eye, or breathing exposures are possible. Isocyanic Acid, 3,4-Dichlorophenyl Ester has not been tested for its ability to affect reproduction. In addition, the following control is recommended: Other Long-Term Effects * Where possible, automatically transfer Isocyanic Acid, 3,4- * Isocyanic Acid, 3,4-Dichlorophenyl Ester may cause a Dichlorophenyl Ester from drums or other storage skin allergy. If allergy develops, very low future exposure containers to process containers. can cause itching and a skin rash. * Isocyanic Acid, 3,4-Dichlorophenyl Ester may affect the Good WORK PRACTICES can help to reduce hazardous liver and kidneys. exposures. The following work practices are recommended: MEDICAL * Workers whose clothing has been contaminated by Isocyanic Acid, 3,4-Dichlorophenyl Ester should change into clean clothing promptly. Medical Testing * Do not take contaminated work clothes home. Family If symptoms develop or overexposure is suspected, the members could be exposed. following are recommended: * Contaminated work clothes should be laundered by individuals who have been informed of the hazards of * Consider chest x-ray after acute overexposure exposure to Isocyanic Acid, 3,4-Dichlorophenyl Ester. * Liver and kidney function tests * Eye wash fountains should be provided in the immediate * Evaluation by a qualified allergist, including careful work area for emergency use. exposure history and special testing, may help diagnose * If there is the possibility of skin exposure, emergency skin allergy. shower facilities should be provided. * On skin contact with Isocyanic Acid, 3,4-Dichlorophenyl Ester, immediately wash or shower to remove the chemical. ISOCYANIC ACID, 3,4-DICHLOROPHENYL ESTER page 3 of 6 At the end of the workshift, wash any areas of the body that respirator manufacturer to determine which respirator is may have contacted Isocyanic Acid, 3,4-Dichlorophenyl appropriate for your facility. Ester, whether or not known skin contact has occurred. * If while wearing a filter or cartridge respirator you can * Do not eat, smoke, or drink where Isocyanic Acid, 3,4- smell, taste, or otherwise detect Isocyanic Acid, 3,4- Dichlorophenyl Ester is handled, processed, or stored, Dichlorophenyl Ester, or if while wearing particulate since the chemical can be swallowed. Wash hands filters abnormal resistance to breathing is experienced, or carefully before eating, drinking, applying cosmetics, eye irritation occurs while wearing a full facepiece smoking, or using the toilet. respirator, leave the area immediately. Check to make sure * Use a vacuum or a wet method to reduce dust during clean- the respirator-to-face seal is still good. If it is, replace the up. DO NOT DRY SWEEP. filter or cartridge. If the seal is no longer good, you may need a new respirator. PERSONAL PROTECTIVE EQUIPMENT * Be sure to consider all potential exposures in your workplace. You may need a combination of filters, WORKPLACE CONTROLS ARE BETTER THAN prefilters or cartridges to protect against different forms of a PERSONAL PROTECTIVE EQUIPMENT. However, for chemical (such as vapor and mist) or against a mixture of some jobs (such as outside work, confined space entry, jobs chemicals. done only once in a while, or jobs done while workplace * Where the potential for high exposure exists, use a NIOSH controls