5.5.1 Document the operation sampled and record other chemical substances in use. Due to its strong corrosive qualities, a diluted form of hydrofluoric acid is used in some commercial automotive cleaners, and rust and stain removers. Solutions of HF are colourless, acidic and highly corrosive. Avoid touching contaminated areas of the clothing. Hydrofluoric acid is a solution of hydrogen fluoride (HF) in water. No. If you are near a release of fluorine or hydrogen fluoride, emergency coordinators may tell you either to evacuate the area or “shelter in place” inside a building to avoid being exposed to the chemical. Production and use. Using it means to look very carefully the safety instructions on the labels. The seriousness of poisoning caused by hydrogen fluoride depends on the amount, route, and length of time of exposure, as well as the age and preexisting medical condition of the person exposed. It is used to make most fluorine-containing compounds; examples include the commonly used pharmaceutical antidepressant medication fluoxetine (Prozac) and the material PTFE (Teflon). Breathing in hydrogen fluoride at high levels or in combination with skin contact can cause death from an irregular heartbeat or from fluid buildup in the lungs. You can put your eyeglasses back on after you wash them. Fluoride is a naturally occurring mineral used in many dental products to strengthen tooth enamel and prevent cavities. There is a wide difference in the electronegativities between hydrogen (2.1) and fluorine (4.0). Hydrogen Fluoride emissions are present across a variety of industries including metal processing and finishing, agricultural, fertilizer, semiconductor, chemical production, and mining. There it damages the cells and causes them to not work properly. Because it is highly reactive towards glass & moderate activity towards many metals, it is generally stored in plastic containers. Also request hydrogen fluoride analysis if the impregnated backup pad was used. Anhydrous hydrogen fluoride (anhydrous means a chemical contains no water) is the building-block material for the production of fluorine and fluorine containing products such as fluorochemicals, flupropolymers and surfactants. Often, patients exposed to low concentrations of hydrogen fluoride on the skin do not show effects or experience pain immediately. When hydrogen fluoride is dissolved in water, it creates hydrofluoric acid, which is used in stainless steel pickling, glass etching, metal coatings, uranium isotope extraction and quartz purification. For more information on evacuation during a chemical emergency, see “. Hydrogen fluoride is a chemical compound that contains fluorine. The reaction products are hydrogen fluoride … For example, hydrogen fluoride is often used to produce aluminum, which is a metal element. 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Breathing hydrogen fluoride can damage lung tissue and cause swelling and fluid accumulation in the lungs (pulmonary edema). Other uses for Hydrogen Fluoride include; It can exist as a colorless gas or as a fuming liquid, or it can be dissolved in water. Due to its strong corrosive qualities, a diluted form of hydrofluoric acid is used in some commercial automotive cleaners, rust and stain removers and water-spot removers. You could be exposed to hydrogen fluoride if it is used as a chemical terrorism agent. Exposure to hydrogen fluoride can result in severe electrolyte problems. Hydrogen fluoride is a chemical compound with the chemical formula HF. Hydrogen fluoride is a colorless, corrosive gas or liquid made up of a hydrogen atom and a fluorine atom. Hydrogen fluoride, also referred to as hydrofluoric acid in its liquid form, is a Hydrogen fluoride mixes readily with water forming hydrofluoric acid. In 2000, there were, respectively, 1,031 and 15 reporting facilities that produced, processed, or used hydrogen fluoride or … May react with common metals (iron, steel) to generate flammable hydrogen gas if diluted below 65% with water. It is used as medicine. HYDROGEN FLUORIDE, ANHYDROUS attacks glass and any other silica containing material. Hydrogen fluoride is used to make refrigerants, herbicides, pharmaceuticals, gasoline, stainless steel kitchen products, aluminum, plastics, electrical components and incandescent light bulbs etc. Linking to a non-federal website does not constitute an endorsement by CDC or any of its employees of the sponsors or the information and products presented on the website. Hydrogen fluoride is used to make refrigerants, herbicides, pharmaceuticals, high-octane gasoline, aluminum, plastics, electrical components, and fluorescent light bulbs. Hydrogen fluoride goes easily and quickly through the skin and into the tissues in the body. Do not handle the plastic bags yourself. Hydrogen fluoride (HF) is used in the industrial production of fluorine-containing chemicals like fluorocarbons that are used as refrigerants or polymers such as chlorofluorocarbons and their substitutes, and polymers such as Teflon, aluminum fluoride, sodium fluoride, and other fluoride … Reacts exothermically with chemical bases (examples: amines, amides, inorganic hydroxides). Your doctor may recommend or use products to help neutralize the effects of poisoning. The hydrogen fluoride gas is then dissolved in water to prepare the hydrofluoric acid, in different concentrations. For smear tabs, only total particulate fluoride will be analyzed and reported. It is universally used in many superacids, such as Fluoroantimonic acid. Learn more about the chemistry in the products we rely on every day, including how and why particular chemicals are used in different products, and health and safety information about these chemicals. It is an important feedstock in the preparation of many important compounds including pharmaceuticals and polymers, e.g. Anhydrous hydrogen fluoride and hydrofluoric acid are widely used in the industrial applications. Hydrogen Fluoride has a strong corrosive ability, particularly in the form of hydrofluoric acid. As quickly as possible, wash any hydrogen fluoride from your skin with large amounts of water. Hydrogen fluoride and hydrofluoric acid must be used and handled in accordance with applicable risk management practices. Hydrogen fluoride boils near room temperature, much higher than other hydro… Uses of hydrogen fluoride Its main uses are: to manufacture groups of chemicals that can be used in refrigerators and air conditioners and as propellants in inhalers. Hydrogen Fluoride is main gas source used in fluorine. polytetrafluoroethylene (PTFE). It is used in the production of refrigerants, herbicides, pharmaceuticals, high-octane gasoline, aluminum, plastics, electrical components, and fluorescent light bulbs. First, if the hydrogen fluoride was released into the air, get fresh air by leaving the area where the chemical was released. Dial 911 and explain what has happened. Other chemicals also can cause these effects. Anything that touches contaminated clothing should also be placed in the bag. Hydrogen fluoride is used primarily as a precursor or reactant for making other commercially important chemicals. The Centers for Disease Control and Prevention (CDC) cannot attest to the accuracy of a non-federal website. The covalent bond is therefore highly polar and has a partial ionic character. After you have washed yourself, place your clothing inside a plastic bag. Eye exposure to hydrogen fluoride may cause prolonged or permanent visual defects, blindness, or total destruction of the eye. Teflon). Read more: Understanding Risk and Hazard When it Comes to Chemicals, U.S. Occupational Safety & Health Administration (OSHA), U.S. Centers for Disease Control and Prevention, U.S. Agency for Toxic Substances & Disease Registry, U.S. Occupational Safety & Health Administration. If you can’t avoid touching contaminated areas, or you aren’t sure which areas are contaminated, put the clothing in the bag using tongs, tool handles, sticks, or similar objects. Swallowing hydrogen fluoride can damage the esophagus and stomach. When hydrogen fluoride is dissolved in water, it may be called hydrofluoric acid. To receive email updates about this page, enter your email address: Centers for Disease Control and Prevention. Visible damage may not appear until 12 to 24 hours after the exposure. In the manufacture of hydrogen fluoride (HF), powdered fluorspar is distilled with concentrated sulfuric acid in a lead or cast-iron apparatus. Regional poison control center: 1-800-222-1222, Centers for Disease Control and Prevention. If you wear eyeglasses, wash them with soap and water. Sixty percent of the hydrogen fluoride used in manufacturing is for processes to make refrigerants. Hydrogen fluoride 1 Introduction_____ This Guide outlines some of the potential health hazards associated with the use of hydrogen fluoride. Skin contact with hydrogen fluoride may cause severe burns that develop after several hours and form skin ulcers. And, severe pain at the exposure site may be the only symptom for several hours. Quickly take off clothing that may have hydrogen fluoride on it. HF is widely used in the petrochemical industry as a component of superacids. Exposed people should seek medical treatment as soon as possible. Hydrogen Fluoride, also known as hydrofluoric acid (HF), is an inorganic acid mainly used for producing fluorine-containing materials such as refrigerants, pharmaceutical intermediates and fluoropolymers. Synonym :anhydrous hydrofluoric acid; hf-a; hydrofluoric acid SDS # :001077 Airgas USA, LLC and its affiliates 259 North Radnor-Chester Road Suite 100 Radnor, PA 19087-5283 1-610-687-5253 24-hour telephone :1-866-734-3438 Physical properties: Hydrogen fluoride is a colorless gas with a density of 1.15 g/L at room temperature, or a colorless liquid (below 20°C) with a density of 0.99 g/mL. If the hydrogen fluoride release occurred indoors, get out of the building. Hydrogen fluoride is used in solution form in glass and metal etching, industrial and home cleaners and rust removers, and in manufacturing electronics. Fluorspar is the most important source of fluorine. Fingertip injuries from hydrogen fluoride may result in persistent pain, bone loss, and injury to the nail bed. If your eyes are burning or your vision is blurred, rinse your eyes with plain water. If you work in an occupation that uses hydrogen fluoride, you may be exposed to this chemical in the workplace. 5.5.2 Request fluoride analysis. Fluorine and hydrogen fluoride are used to make certain chemical compounds. Hydrogen fluoride is used to make refrigerants, herbicides, pharmaceuticals, high-octane gasoline, aluminum, plastics, electrical components, and fluorescent light bulbs. Skin contact or inhalation of hydrofluoric acid can cause moderate to severe health effects. The damage may progress for several weeks, resulting in gradual and lingering narrowing of the esophagus. Hydrogen fluoride can be released when other fluoride-containing compounds such as ammonium fluoride are combined with water. If the hydrogen fluoride release was outside, move away from the area where the chemical was released. Flux itself is the material which has the ability to lower the melting point of another substance which is used in the metal cleaning process. Seek medical attention immediately. The health department or emergency personnel will arrange for further disposal. Use the search box to find information on the chemicals that are essential to the products you use every day.

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