peroxide forming chemicals osha

(d)Institute for Environmental Health Inc. dba IEH Warren Analytical Laboratory at 650 O Street, Greeley, CO: On and preceding 3/11/15, the employer did not furnish employment and a place of employment which were free from recognized hazards that were causing or likely to cause death or serious physical harm to employees, in that employees were exposed to a fire or explosion hazard. For more information, refer to the Peroxide-Forming Chemicals informational poster. Dioxanes. If inhibitor free solvent must be purchased, follow all documented instructions for use and always purge with notrogen before storage. [Note: The pure compound is a crystalline solid below 12°F. Testing Labels for Peroxide Forming Chemicals: 2"x4" 1"x2-5/8" For more information: Chemical Incompatibility Chart; Chemical Reactivity Worksheet - Excellent web-based database; Chemical Reactivity Hazards - OSHA; Additional resources for chemicals that exhibit explosive properties, peroxide formation and container pressurization hazards. Peroxides may detonate with extreme violence when concentrated by evaporation or distillation, when combined with other compounds, or when disturbed by unusual heat, shock or friction. 1. High-strength hydrogen peroxide, Hydrogen dioxide, Hydrogen peroxide (aqueous), Hydroperoxide, Peroxide Colorless liquid with a slightly sharp odor. Some SDSs may include the European hazard classification “May Form Organic Peroxides” under “hazards not otherwise classified” at the bottom of Section 2 of the SDS. Form explosive peroxides when distilled, evaporated or otherwise concentrated. This guide describes methods for safely storing, using, and disposing of time-sensitive chemicals, which are any chemicals or chemical products that develop additional hazards upon prolonged storage. The flashpoints of toluene and methanol are approximately 16 degrees Celsius, while the flashpoint of petroleum ether is -18 degrees Celsius. ... Cal/OSHA requires that manufacturers provide labels with the following information: • contents of the container • physical and health hazard information Organic peroxides are extremely sensitive to shock, sparks, heat, friction, impact, and light. This generic chemical safety guidance describes basic prudent safety practice for handling this chemical in research labs. Stanley Howell Never distill peroxide forming chemicals to dryness. Abatement Note: Abatement may be achieved for instance (d) by compliance with manufacturer specifications for use and storage of Class B peroxide forming chemicals. Ideally, purchases of peroxidizable chemicals should be restricted to ensure that these chemicals are used up completely before peroxides can form. Examples in this group include allyl compounds, haloalkenes, dienes, monomeric vinyl compounds, vinylacetylenes, unsaturated cyclic hydrocarbons like tetrahydronaphthalene or dicyclopentadiene. (b)Institute for Environmental Health Inc. dba IEH Warren Analytical Laboratory at 650 O Street, Greeley, CO: On and preceding 3/11/15, the employer did not furnish employment and a place of employment which were free from recognized hazards that were causing or likely to cause death or serious physical harm to employees, in that employees were exposed to a fire hazard. Peroxide-forming chemicals are a class of compounds that have the ability to 2.form shock-sensitive explosive peroxide crystals. DELETE instance (c) (c)Institute for Environmental Health Inc. dba IEH Warren Analytical Laboratory at 650 O Street, Greeley, CO: On and preceding 3/11/15, the employer did not furnish employment and a place of employment which were free from recognized hazards that were causing or likely to cause death or serious physical harm to employees, in that employees were exposed to a fire hazard. General Information: EHS SOP (EHS-0042) is located on the EHS Website. Ed 1970 , 47(3) , A176; subscription required to … www.OSHA.gov. Diethyl ether and tetrahydrofuran are two of the more common peroxide-forming chemicals used today. Avoid storing chemicals on countertops or in fume hoods except those currently in use. Read more about First-Aid for purposes of OSHA recordkeeping Peroxide-Forming Chemicals This factsheet outlines procedures for the safe use, storage and testing of peroxide-forming chemicals. 2 3 Introduction The safe storage of hazardous chemicals is an essential part of an environmental, health, and safety program. hydrocarbon compounds having double or triple bonds). Certain chemicals can form dangerous peroxides on exposure to air and light. The drying ovens were not designed to contain flammable or combustible liquids. Leave at least 10-20% still bottoms to help prevent possible explosions. Acetal. UCLA: Procedures for Safe Use of Pyrophoric Solids Yale Policy on Pyrophoric Chemicals Nanomaterials. Occupational Safety and Health Administration Occupational Safety and Health Administration, Severe Storm and Flood Recovery Assistance. For example, rotary evaporation of an etheryl solvent such as tetrahydrofuran or diethyl ether couls pose a significant risk. Peroxide-forming labels to record testing date and results are available here: Chemical Label Request. Peroxide formers, or peroxidizables, are materials which react with oxygen to form peroxides which can explode from impact, heat, or friction. Inventory all chemical storage at least twice a year. This condition exposed employees to fire hazards. It is the double oxygen of the "peroxy" group that makes organic peroxides both useful and hazardous. Test strips are available from the EHS Department, Any chemical that tests greater than 100ppm should be disposed of, please contact EHS for assistance. Often used in an aqueous solution.] Benzyl alcohol. * Never open or test containers of unknown origin or age, or those that have evidence of peroxide formation, ‡ Unless otherwise specified on the bottle. The vials, flasks, and flammable liquids were heated to 100 degrees Celsius. Before distilling any peroxide forming chemicals, always test the chemical first with peroxide test strips to ensure there are no peroxides present. 200 Constitution Ave NW Peroxide Formers. Care must be taken when handling inorganic or organic peroxides, since they tend to be unstable and can, depending on the compound, decompose violently. Peroxide-forming chemicals (PFCs) are chemicals that can “auto-oxidize” with atmospheric oxygen under ambient conditions to form organic peroxides (contains an -O–O- bond). Reactive hydrogen atoms are most often found on the following compounds: 1. Do not concentrate solutions that may contain peroxides. Abatement Note: Abatement may be achieved for instances (a), (b), and (c) by compliance with National Fire Protection Association (NFPA) 45 "Standard on Fire Protection for Laboratories Using Chemicals". Chemical safety guidance describes basic prudent safety practice for handling this chemical in labs! 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