We also supply major technology customers in europe, the middle east and asia. Msds material safety data sheet 112 potential health effects exposure to hydrofluoric acid can produce harmful health effects that may not be immediately apparent. Hydrofluoric acid is very effective for decomposition of silicate matrices. Classes of incompatible chemicals should be segregated from each other during storage, according to hazard class. Hydrofluoric acid, acs reagent, 48% hf sigmaaldrich. The acid penetrates to deep tissue layers and causes severe corrosive injury. Jan 01, 20 this is a neutralisation reaction koh is potassium hydroxide, and hf is hydrofluoric acid. Fluorides and chemicals hydrofluoric acid, hf msds. Hydrofluoric acid, 10% ww columbus chemical industries. Oregon oshas program directive a204 september 2000 provides detailed ppe guidance when handling concentrations of hydrofluoric acid as low as 0.
It is a colourless solution that is highly corrosive. It is used to make most fluorinecontaining compounds. Safety data sheet hydrofluoric acid 49 % 000000001555 page 2 14 version 2. In dilute solutions ionization of hf molecules to f. Hydrofluoric acid is used in the laboratory as an intermediate in many chemical reactions and syntheses. Hydrofluoric acid physical and chemical properties are concentration. Safety data sheet hydrofluoric acid 49 % 000000001555 page 1 14 version 2. As in ocular tissues, concentrations as low as 5 mgl 5 ppm may produce irritation to the nasal mucosa. Sigmaaldrich offers a number of hydrofluoric acid products.
This document is intended to provide general information to persons addressing an emergency response in the course of handling and transporting anhydrous hydrogen fluoride ahf. Hydrofluoric acid chemical safety information 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 spills in the event of a spill of hydrofluoric acid. No action shall be taken involving any personal risk or without suitable training. 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. The data contained herein are furnished for information only and are believed to be reliable. When heated, potassium bifluoride releases hydrogen fluoride, a toxic, corrosive. Firstaid measures eyes in case of eye contact, rinse with plenty of water and seek medical attention immediately. Low concentrations can cause irritation of the nose, throat, eyes and respiratory tract. Product shelf lifeexpiration date policy product package material of construction shelflife months page 3 of 5 7p10f1 revision date. Hydrofluoric acid reacts with most metals to release hydrogen gas which can form explosive mixtures with air.
Hydrofluoric acid 48% ultrapur find msds or sds, a coa, data sheets and more information. Additionally, the vapor from anhydrous hf or its concentrated solutions can cause damage to skin, eyes and the respiratory system. Hydrofluoric acid an overview sciencedirect topics. 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. Hydrochloric acid, 1% vv safety data sheet according to federal register vol. Guidelines for anhydrous hydrogen fluoride and hydrofluoric acid guidelines were prepared by the american chemistry councils acc hydrogen fluoride panel panel. Acids and alkalis react to form a salt potassium fluoride in this case and water. Hydrofluoric acid, 49% 10 ppb synonymsgeneric names. Incompatibility of common laboratory chemicals when certain hazardous chemicals are stored or mixed together, violent reactions may occur because the chemicals are unsuitable for mixing, or are incompatible. Metal pickling, glass etching, chemical derivatives, semiconductor etching. John dicerbo, regulatory affairs specialist disclaimer. Guidelines for the safe use of hydrofluoric acid department of. Higher concentrations can cause severe burns to the throat, airways and lungs.
Material safety data sheet hydrofluoric acid, anhydrous msds number. Use of gastric lavage or emesis is contraindicated. Identification product name hydrofluoric acid cat no. Unlined steel containers are subject to hydrogen blistering. Hydrofluoric acid is incompatible with glass, ceramics, and all siliconcont aining materials such as concrete. Hsdb 1990, potassium permanganate, potassium tetrafluorosilicate2 evolves silicon tetrafluoride gas, propriolactone beta, propylene glycol and silver.
Anhydrous hydrofluoric acid and hydrofluoric acid in aqueous solutions range in appearance from colorless to slightly tinted. It can severely damage the skin and eyes causing severe burns which are extremely painful. Anhydrous hydrogen fluoride ahf and hydrofluoric acid hf. Safety data sheet hydrogen fluoride 100 % 000000000034 page 4 16 version 4. Material should remain in the original polyethylene container. Discharge will ordinarily be a vapor or a liquid that gives off fumes of hf gas. Our process technology for fluorine chemicals is the result of over fifty years of continuous development linked to direct ex. Anhydrous hydrofluoric acid from fluorosilicic acid buss chemtech is recognized as the world leading technology supplier for fluorine chemicals. All cases of ingestion and airway exposure, and skin burns with hydrofluoric acid 20% should be regarded as potentially fatal. Transfer spilled material to a suitable container for disposal. Polyethylene is the best material for hydrofluoric acid storage. Treatment protocol for hydrofluoric acid burns safetygram 29 properties hydrofluoric acid hf is an extremely powerful inorganic acid and a vigorous dehydrating agent.
Fluohydric acid, fluoric acid, hydrofluoric acid solution. What is the net balanced equation of potassium hydroxide and. What is the net balanced equation of potassium hydroxide. May cause sore throat, coughing, labored breathing and lung congestioninflammation. Eyes direct contact with hydrofluoric acid can cause severe and irreversible corrosive injury with possible corneal scarring and blindness. Msds material safety data sheet hydrofluoric acid 70%. After thorough washing for at least 5 minutes, the burned area should be immersed in. Rev 1 hydrofluoric acid 1% 4 additional precautions hydrofluoric acid is incompatible with glass and all siliconbearing materials should and should never be transferred to glass containers. Reacts explosively with cyanogen fluoride polymerizes explosively, glycerol plus nitric acid evolves gas from oxidation, methanesulfonic acid evolves oxygen difluoride. Hydrofluoric acid 38%, azeotropic mixture with water is considered as a weak acid but it is considered an important chemical reagent in wet digestion procedures due to complexing ability of fluoride ion. Hydrofluoric acid is a solution of hydrogen fluoride hf in water. Gloves are required when handling hazardous chemicals.
Safe use of hydrofluoric acid university of connecticut. Systemic fluoride toxicity from exposure to hydrofluoric acid may result in severe hypocalcemia, hypomagnesemia, hyperkalemia, metabolic acidosis, cardiac dysrhythmias, and death. P270 do not eat, drink or smoke when using this product. Material safety data sheet imperial college london. This is a neutralisation reaction koh is potassium hydroxide, and hf is hydrofluoric acid. Guidelines for the safe use of hydrofluoric acid a. Hydrofluoric hf acid burns require immediate and specialized first aid and medical. Kolorlock hydrofluoric solidifierneutralizer safety data sheet according to federal register vol. We are able to offer our clients guaranteed operating plants. Remove all contaminated clothing while washing continuously. It is a precursor to almost all fluorine compounds, including pharmaceuticals such as fluoxetine prozac, diverse materials such as ptfe teflon, and elemental fluorine itself. Keep the eyelids apart and away from the eyeballs during irrigation. When hydrofluoric acid is present in concentrations greater than 48%, the solution fumes, adding to the volatile airborne fraction.
Hydrofluoric acid will penetrate skin and attack underlying tissues. Safety data sheet hydrofluoric acid 49% page 3 of 10 nail may require splitting the nail and application of calcium gluconate to the exposed nail bed. Material safety data sheet hydrofluoric acid, aqueous 49% 6. If liquid hydrofluoric acid or solutions containing hydrofluoric acid. Hydrofluoric acids specs, abf specification, lead and tin fluoborate, calcium fluoride, sodium fluoride over 40 years of expertise in inorganic fluoride chemistry fluorides and chemicals. Hydrofluoric acid hf is a highly corrosive and toxic acid, even in a dilute form. Clear up spills immediately and dispose of waste safely. The molarity calculator tool provides labready directions describing how to prepare an acid or base solution of specified molarity m or normality n from a concentrated acid or base solution. Safety data sheet hydrofluoric acid 70% aqueous solution revision date. Hg, t is the absolute temperature and c is the concentration of hydrofluoric acid in the solution, expressed as a weight percentage. Hydrofluoric acid hf has a number of physical, chemical, and toxicological properties that make it especially hazardous to handle.
Please complete the form below to receive a quote for alternative packaging, batch requirements, custom requests, or larger quantities. Hydrogen fluoride is a colorless, fuming liquid or gas with a strong, irritating odor. Corrosive to eyes causes itching, burning, redness and tearing. Hydrochloric acid water to make total of 100% 764701.
Hydrofluoric acid is an irritant to the mucosa of the upper and lower portions of the respiratory tract. Hydrofluoric acid hf, cas 7664393, a solution of hydrogen fluoride in water, is one of the strongest inorganic acids. Hydrofluoric acid hf is a weak inorganic acid used primarily in industrial processes. Hydrofluoric acid is corrosive and can cause severe burning of the mouth, throat and stomach. 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. Solutions as dilute as 2% or lower may cause burns. Hydrofluoric acid, 49% 10 ppb columbus chemical industries. Prevent entry into waterways, sewer, basements or confined areas.
The partial pressure of hydrofluoric acid over solutions. Hydrogen fluoride, fluoric acid, fluorhydric acid, fluorine hydride product number. Diffusion of aqueous hydrofluoric acid and aqueous. May cause severe burns to the mouth, throat and stomach. Revised on 08312015 page 1 of 6 safety data sheet hydrofluoric acid, 49% 10 ppb 1. Both anhydrous hydrofluoric acid and aqueous solutions are clear, colorless, and highly corrosive liquids.
Stop the flow of material, if this is without risk. Personal precautions, protective equipment and emergency procedures this product is miscible in water. Hydrofluoric acid twa 3 ppm occupational safety and health administration table z2 z37. January, 2003 exposure guidelines guidelines exist for the following ingredients ingredient name acgih tlv osha pel other limit hydrofluoric acid 3 ppm ceiling 3 ppm twa osha stel 6 ppm 15 min. For certain burns, especially of the digits, use of intraarterial calcium gluconate may be indicated. With purities that extend to the partspertrillon ppt level, our highquality acids and bases are used for cleaning formulations and other processes by.
Systemic fluoride toxicity has occurred following ingestion. Burns caused by weak hydrofluoric acid may go unnoticed for several hours. Revised on 01252017 page 5 of 6 hazardous decomposition products hydrogen fluoride gas. Introduction hydrofluoric acid hf has a number of physical, chemical, and toxicological properties that make it especially hazardous to handle. Pain associated with exposure to solutions of hf 150% may be delayed for 124 hours. Always wear recommended personal protective equipment good ventilation is necessary. Your new online msds binder is a place for you to store the material safety data sheets you need to deploy.
Chemical resistance chart introduction corrosion and degradation depend on many parameters. Seastar chemicals inc msds hydrofluoric acid page 2 of 7 inhalation. P271 use only outdoors or in a wellventilated area. 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. Identification product identifier hydrofluoric acid, aqueous 49% other means of identification product code 12597 synonyms hf, anhydrous hf, ahf, hydrogen fluoride, hf acid recommended use chemical technical application recommended restrictions none known. Low concentrations a few ppm can cause irritation of the nose, throat, eyes and respiratory tract. Product shelf lifeexpiration date policy puritan products. Causes severe burns which may not be immediately painful or visible.
Irrigation may be facilitated by use of morgan lens or similar ocular irrigator. Safety data sheet hydrofluoric acid, aqueous 70% 000000001807 page 2 14 version 3. Very hazardous in case of skin contact corrosive, irritant, permeator, of eye contact irritant. Contact with many common metals may yield hydrogen gas, which is a fire and explosion hazard. This material safety data sheet contains changes from the previous version in sections. Hydrofluoric acid revision date 09jan2020 stot repeated exposure none known aspiration hazard no information available symptoms effects,both acute and delayed product is a corrosive material. Symptoms such as nausea, vomiting, abdominal pain, reduced heartbeat and blood pressure, shortness of breath have been reported.
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