Mar 26, 2017 although hydrofluoric acid hf is a weak acid it does attack silicates very effectively, and most oxidesalthough not, for example, spinels and zircons 3. It will destroy skin, the tissue beneath the skin and bones. Hydrofluoric acid hf differs from other acids because the fluoride ion readily penetrates the. Standard operating procedure use of hydrofluoric acid. Box 12077 research triangle park, nc 27709 9199410333. Firstaid measures eyes in case of eye contact, rinse with plenty of water for at least 15 minutes and seek medical attention immediately. Transfer spilled material to a suitable container for disposal. Material safety data sheet imperial college london. The maximum and minimum concentrations of hf in the air in each workshop varied from the mean by less than 30%. It is thought of as a weak acid because, although hf dissociates strongly in water, it does not. P271 use only outdoors or in a wellventilated area.
Initially the sample may be treated with acids yielding an insoluble residue. The use of hydrofluoric acid hf, at any concentration, requires some unique laboratory preparation and safety precautions. Hydrofluoric acid 40% suprapur find msds or sds, a coa, data sheets and. Patients who have burns and pain within minutes of exposure can be assumed to have been exposed to concentrated acid and are at risk of rapid clinical deterioration and death. Stop the flow of material, if this is without risk. Hydrofluoric hf acid burns require immediate and specialized first aid a hours. Pain associated with exposure to solutions of hf 150% continued.
Contact with many common metals may yield hydrogen gas, which is a fire and explosion hazard. Hydrogen fluoride, fluoric acid, fluorhydric acid, fluorine hydride product number. Hydrofluoric acid is a solution of hydrogen fluoride hf in water. For hydrofluoric acid sampling, we recommend a multifunction metallic valve with a bellows type seal, stuffing box and leak detection port. If liquid hydrofluoric acid or solutions containing hydrofluoric acid. Material safety data sheet hydrofluoric acid, aqueous 49% msds number. Pain associated with skin exposure to hf may not occur for 124 hours.
Irrigate eyes for at least 15 minutes with copious quantities of water, keeping eyelids apart and away from eyeballs during irrigation. Safe handling, storage, and disposal of hydrofluoric acid. Identification product name hydrofluoric acid cat no. It is so potent that contact with it may not even be noticed until long after serious damage has been done. Exposure to hazardous material may be acute or chronic.
The residue may need to be dissolved using fusion or hydrofluoric acid hf and then combined with the original mixture or analyzed separately. Aluminium cleaner usually blended with sulphuric or phosphoric acid for use prior to powder coating or for almag wheel cleaners aluminium welding smut remover ditto glass etchant though more normally ammonium bifluoride is used activator fo. Systemic fluoride toxicity from exposure to hydrofluoric acid may result in severe hypocalcemia, hypomagnesemia, hyperkalemia, metabolic acidosis, cardiac dysrhythmias, and death. Hydrofluoric acid is used in the laboratory as an intermediate in many chemical reactions and syntheses. Chemical safety informationhydrofluoric acid environment, health.
It is commonly used to etch glass and silicon wafers. Hydrofluoric acid hf has a number of physical, chemical, and toxicological properties that make it especially hazardous to handle. Hydrofluoric acid, hydrogen fluoride in water, has many uses in research laboratories. Both anhydrous hydrofluoric acid and aqueous solutions are clear, colorless, and highly corrosive liquids. Material safety data sheet hydrofluoric acid, anhydrous msds number. All cases of ingestion and airway exposure, and skin burns with hydrofluoric acid 20% should be regarded as potentially fatal. As in ocular tissues, concentrations as low as 5 mgl 5 ppm may produce irritation to the nasal mucosa. Hydrofluoric acid solutions are clear and colorless with a density similar to that of water. What are some examples of products containing hydrofluoric acid.
Burns caused by weak hydrofluoric acid may go unnoticed for several hours. Polyethylene is the best material for hydrofluoric acid storage. Safe operating practice for the use of hydrofluoric acid 1. Hydrofluoric acid by analogy twogeneration study rat, male and female oral fertility noael parent.
Immediately flush eyes with plenty of water for at least 15 minutes. Reacts with water to form hydrofluoric acid avoid contact with acids, bases, humid air, water no ph use hf first aid procedures and calcium gluconate gel if in contact with moist skin used in glove boxes no moisture in atmosphere and gloves provide protection read the. Safety data sheet hydrofluoric acid 49 % 000000001555 page 2 14 version 2. It will damage the eyes even loss of vision upon contact. As the worlds leading producer of hydrofluoric acid, honeywell offers unmatched technical support to its customers. Solutions as dilute as 2% or lower may cause burns. Provide a copy of the msds to emergency responders. However, because it is absorbed, medical treatment is. Chromatography sample preparation maintain clean baselines and improve chromatography run reproducibility with efficient filtration.
Hydrogen fluoride hydrofluoric acid is available industrially in the pure state as a liquid under pressure. Lot and batch numbers can be found on a products label following the words lot or batch. Hydrofluoric acid, acs reagent, 48% hf sigmaaldrich. When hydrofluoric acid is present in concentrations greater than 48%, the solution fumes, adding to the volatile airborne fraction. Hydrofluoric acid hf, cas 7664393, a solution of hydrogen fluoride in water, is one of the strongest inorganic acids.
Firstaid measures eyes immediately rinse with plenty of water for at least 15 minutes and seek medical attention immediately. Extreme caution is required when working with or around hydrofluoric acid hf, and all personnel working where it is used or stored must be trained on how to manage potential hazards. Hydrofluoric acid 70% aqueous solution revision date 12212017 p00000000872 version. Hydrofluoric acid reacts with most metals to release hydrogen gas which can form explosive mixtures with air. Solutions of hf are colourless, acidic and highly corrosive. Browse our library of hf medical and technical documents for the critical usage and safety information you need. May cause sore throat, coughing, labored breathing and lung congestioninflammation. Corrosive to eyes causes itching, burning, redness and tearing.
This compound binds the active fluorides in an insoluble form and limits burn extension and pain. Hf chemical burns can be treated with a water wash and 2. Dermal burns may be treated with calcium gluconate gel or slurry in water or glycerine. Multifunction valves are designed for the easy removal and cleaning of the adapter, allowing the customer to clean the valve after every sampling. Hydrofluoric acid is an irritant to the mucosa of the upper and lower portions of the respiratory tract. Hydrofluoric acid is a solution of hydrogen fluoride in water. Pdf version of this document chemical information overview hydrofluoric acid hf differs from other acids because the fluoride ion readily penetrates the skin, causing destruction of deep tissue layers, including bone. Hydrofluoric acid is incompatible with glass, ceramics, and all siliconcont aining materials such as concrete. Sigmaaldrich offers a number of hydrofluoric acid products. No action shall be taken involving any personal risk or without suitable training. Personal precautions, protective equipment and emergency procedures this product is miscible in water. Hazardous ingredients according to regulation ec no 12722008. It is colorless, odorless, highly corrosive, and available in a range of purity grades.
Redox pty ltd safety data sheet hydrofluoric acid 7%. Environmental protection agency oaqpstsdeib research triangle park, nc 27711 196 pacific environmental services, inc. Nitric acid cas no 7697372 material safety data sheet sds msds. Evacuate the lab close all doors post do not enter signs on the doors call 911 to alert the uconn fire department report to the labs designated meeting place for large spillsreleases, pull the fire alarm to evacuate the building.
Msds material safety data sheet hydrofluoric acid 70%. Hydrofluoric acid university of california, berkeley. Inhalation of hydrofluoric acid fumes may cause swelling in the respiratory tract up to 24 hours after exposure. First aid procedures should be preplanned for hydrofluoric acid emergencies. A, marinite a hp msds no bnz 20102 msds uscanen page 3 6 section 6 accidental release measures personal precautions if dusty conditions exist i. Causes severe burns which may not be immediately painful or visible. The use of hydrofluoric acid in the laboratory andy connelly. Hydrofluoric acid, 10% ww columbus chemical industries. It needs to be treated differently than even strong acids like sulfuric and hydrochloric. Biar sampling systems sampling hydrofluoric acid hydrofluoric acid is a lethal and extremely dangerous chemical.
Identification organisation location telephone redox pty ltd 2 swettenham road. Kolorlock hydrofluoric solidifierneutralizer safety data sheet according to federal register vol. Low concentrations a few ppm can cause irritation of the nose, throat, eyes and respiratory tract. Standard operating procedure use of hydrofluoric acid facility. Hydrofluoric acid is extremely corrosive and can cause very deep and excruciatingly painful burns and tissue loss. Safe use of hydrofluoric acid university of connecticut. Read the entire safe handling, storage, and disposal of hydrofluoric acid user guide. Burns are swollen, hot and painful, then develop white or yellowish areas and blistering, with deep ulceration and destruction of tissue, which tends to heal slowly. Hf is used in the industry to digest silicates in ore samples. Clear up spills immediately and dispose of waste safely. It is so potent that contact with it may not even be.
Hydrofluoric acid 48% ultrapur find msds or sds, a coa, data sheets and more information. Set the ion chromatograph to recommended eluent flow rate, e. Deaths have been reported from concentrated acid burns involving as little as 2. Skin contact wash off immediately with plenty of water for at least 15 minutes. Guidelines for the safe use of hydrofluoric acid 1. Chemical safety informationhydrofluoric acid environment. Hydrofluoric acid hf is a highly corrosive and toxic acid, even in a dilute form. For this reason, its primary laboratory use is to attack and dissolve silicate minerals. Environmental precautions environmental precautions are not normally required. Hydrofluoric acid 40% msds material safety data sheet or sds, coa and. To define the relationship between ionic fluoride concentration in the serum of workers and the amount of hydrofluoric acid hf in the work environment, preand postshift serum and urine samples of 142 hf workers and 270 unexposed workers were examined.
Hydrofluoric acid hf differs from other acids because it readily penetrates the skin and dissociates into fluoride ions, causing destruction of deep tissue layers, including bone. Hf can be used to etch silicon for semiconductor work and can also be used to dissolve rock samples. It can severely damage the skin and eyes causing severe burns which are extremely painful. Hydrofluoric acid 7% hydrofluoric acid 7% hydrofluoric acid 1.
Higher concentrations can cause severe burns to the throat, airways and lungs. Hydrofluoric acid will penetrate skin and attack underlying tissues. Pure hf or hydrofluoric acid, aqueous 70% see pdf document material safety data sheet msds hydrofluoric acid hydrofluoric acid alkylation mostly used in refining. As the industry leader in all areas of hf manufacturing and delivery, we have the technical service professionals you need to answer your safety, transportation. Hydrofluoric acid by analogy does not cause skin sensitization. Sds of hydrofluoric acid, safety data sheets, cas 7664393. Persons who have inhaled hydrofluoric acid vapors may need prophylactic oxygen treatment and must be seen by a physician as soon as possible. Identification of the substancemixture and of the companyundertaking 1. Hydrofluoric acid 7664393 2% water 7732185 balance. Additionally, the vapor from anhydrous hf or its concentrated solutions can cause damage to skin, eyes and the respiratory system. As the world leader in hydrofluoric acid hf production and delivery, our customers know we understand the rigorous requirements for producing and handling hf with the quality and safety they demand. Hf is also classified as a dangerous good class 8, subsidiary risk 6. Hydrofluoric acid, 70%, technical synonymsgeneric names. It is used to make most fluorinecontaining compounds.
Safe operating practice for the use of hydrofluoric acid. You need to choose a quantity before adding items to cart. P270 do not eat, drink or smoke when using this product. Safety data sheet astme40711 2% hf etchant sturbridge. Revised on 0120 page 1 of 6 safety data sheet hydrofluoric acid, 70%, technical 1.
Sampling hydrofluoric acid biar sampling systems pdf. Method 7906, issue 2, dated 20 may 2014 page 4 of 6 measurement 15. Msds material safety data sheet 112 potential health effects exposure to hydrofluoric acid can produce harmful health effects that may not be immediately apparent. Prevent entry into waterways, sewer, basements or confined areas. Seastar chemicals inc msds hydrofluoric acid page 2 of 7 inhalation. Reacts explosively with cyanogen fluoride polymerizes explosively, glycerol plus nitric acid evolves gas from oxidation, methanesulfonic acid evolves oxygen difluoride. Unlined steel containers are subject to hydrogen blistering. Reacts with water to form hydrofluoric acid avoid contact with acids, bases, humid air, water no ph use hf first aid procedures and calcium gluconate gel if in contact with moist skin used in glove boxes no moisture in atmosphere and gloves provide protection read the material safety data sheet msds. Hydrofluoric acid is very hazardous and the full extent of. What are some examples of products containing hydrofluoric. Hydrofluoric acid revision date 09jan2020 precautionary statements prevention wash face, hands and any exposed skin thoroughly after handling do not eat, drink or smoke when using this product do not get in eyes, on skin, or on clothing wear protective glovesprotective clothingeye protectionface protection. Hydrofluoric acid spills in the event of a spill of hydrofluoric acid.
499 559 1430 744 950 1325 866 894 1054 827 960 940 731 391 975 1256 781 735 1503 480 1363 175 269 1479 205 75 892 1340 1124 137 299 796 653 440