Regulatory information tsca inventory status all ingredients are listed on the tsca inventory. Safety data sheet hydrofluoric acid 49 % 000000001555 page 1 14 version 2. Polyethylene is the best material for hydrofluoric acid storage. Hydrofluoric acid twa 3 ppm occupational safety and health administration table z2 z37. Hydrofluoric acid is incompatible with glass, ceramics, and all siliconcont aining materials such as concrete. When hydrofluoric acid is present in concentrations greater than 48%, the solution fumes, adding to the volatile airborne fraction. Metal pickling, glass etching, chemical derivatives, semiconductor etching. Hydrofluoric acid 49% revision date 04012015 p00000031491 version. Firstaid measures eyes in case of eye contact, rinse with plenty of water for at least.
Hydrofluoric acid hf is a highly corrosive and toxic acid, even in. Thermo fisher scientific hydrofluoric acid, 48 51% revision date 06jul2010 y1 indicates an exempt polymer that has a numberaverage molecular weight of 1,000 or greater. Material safety data sheet hydrofluoric acid, anhydrous hazardous polymerization. Hydrochloric acid water to make total of 100% 764701. Material should remain in the original polyethylene container. Material safety data sheet imperial college london. Hydrofluoric acid march 2007 this information sheet provides advice for developing, maintaining and implementing local safe work practices for staff, students, contractors and visitors working or studying at the university who handle hydrofluoric acid hf or hf containing solutions. Rev 1 hydrofluoric acid 1% 5 addendum to material safety data sheet regulatory status this addendum must not be detached from the msds identifies sara 3 substances. Corrosive to eyes causes itching, burning, redness and tearing. Msds hydrochloric acid d p j c o a t i n g s y s t e m s pty ltd abn 56 005 509 679 acn 005 509 679 victoria. Seastar chemicals inc msds hydrofluoric acid page 3 of 7 extinguishing media. 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.
Water spray or fog may be used where concentrations below 60% are present. Use extinguishing agents compatible with acid and appropriate for fire surrounding hydrofluoric acid containers. Msds material safety data sheet hydrofluoric acid 70%. Contact with many common metals may yield hydrogen gas, which is a fire and explosion hazard.
Working with hydrofluoric acid 1 preparation before any researcher uses hf, they should do the following. 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 will penetrate skin and attack underlying tissues. Identification product name hydrofluoric acid cat no. 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. Pain associated with exposure to solutions of hf 150% continued.
This material is considered hazardous by the osha hazard communication standard. Unlined steel containers are subject to hydrogen blistering. Provide a copy of the msds to emergency responders. Read this document and consult the references below.
Burns caused by weak hydrofluoric acid may go unnoticed. Hydrofluoric acid hazards hydrofluoric acid called hf corrosive acid and contact poison considered a weak acid with ph of 3 hf penetrates skin quickly dilute solutions can interfere with. Material safety data sheet hydrofluoric acid, 40% msds section 1. Osha table z1 limits for air contaminants 29 cfr 1910. May cause severe burns to the mouth, throat and stomach. Hydrofluoric acid, acs reagent, 48% hf sigmaaldrich. When dilute hydrochloric acid is used, gas spontaneously flammable in air is evolved. Rubidium acetylene carbides burns with slightly warm hydrochloric acid.
Hydrofluoric acid is an irritant to the mucosa of the upper and lower portions of the respiratory tract. All statements and information are believed to be accurate and reliable, they are. P271 use only outdoors or in a wellventilated area. Meets criteria for hazardous material, as defined by 29 cfr 1910. Lithium silicide in contact with hydrogen chloride becomes incandescent. Firstaid measures eyes in case of eye contact, rinse with plenty of water for at least 15 minutes and seek medical attention immediately. 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. Physical and chemical properties physical state fuming liquid colour colourless to straw coloured liquid.
Aqueous hf, hydrofluoric acid solution, 49% hf, ultra high purity hf, electronic grade. The extinguishing medium used depends on the concentration of the acid. Systemic fluoride toxicity from exposure to hydrofluoric acid may result in. 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. Hydrofluoric acid 7664393 49 common name and cas number synonyms chemical name % composition comments all concentrations are in percent by weight unless ingredient is a gas.
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. Legal requirements hydrofluoric acid hf is classed as a hazardous substance, therefore the control of substances hazardous to health regulations 2002 coshh must be complied with. Inhalation of hydrofluoric acid fumes may cause swelling in the respiratory tract up to 24 hours after exposure. Chemical safety informationhydrofluoric acid environment. 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. Both liquid and vapor can cause severe burns, which may not be immediately painful or visible.
Review or create a standard operating proceedure sop for the process in which hf is used, incorporating information contained in this document. For certain burns, especially of the digits, use of intraarterial calcium gluconate may be indicated. Hydrofluoric acid and coshh university of edinburgh. Material safety data sheet hydrofluoric acid, aqueous 49% eyes. Hydrofluoric acid 48% ultrapur find msds or sds, a coa, data sheets and more information. Sigmaaldrich offers a number of hydrofluoric acid products. Persons who have inhaled hydrofluoric acid vapors may need prophylactic oxygen treatment and must be seen by a physician as soon as possible. This product is considered hazardous under 29 cfr 1910. Hydrofluoric acid c 6 ppm 5 mgm3 national institute for occupational safety and health 15 minute ceiling value hydrofluoric acid twa 3 ppm occupational safety and health administration table z2 z37.
It can severely damage the skin and eyes causing severe burns which are extremely painful. Manage painlocal hydrofluoric acid toxicity with iv pain meds, topical calcium gluconate gel, and intraarterial calcium gluconate. Pain associated with skin exposure to hf may not occur for 124 hours. Safety data sheet hydrofluoric acid 49 % 000000001555 page 2 14 version 2. Hydrofluoric acid is a solution of hydrogen fluoride hf in water. As in ocular tissues, concentrations as low as 5 mgl 5 ppm may produce irritation to the nasal mucosa. This can result in unnoticed exposures that are not initially painful. R 26272835 very toxic by inhalation, in contact with skin and if swallowed. Irrigation may be facilitated by use of morgan lens or similar ocular irrigator. Articles of hydrofluoric acid are included as well.
Hydrofluoric acid revision date 09jan2020 vapor density 2. Additionally, the vapor from anhydrous hf or its concentrated solutions can cause damage to skin, eyes and the respiratory system. Redox pty ltd safety data sheet hydrofluoric acid 7%. Material safety data sheet hydrofluoric acid, anhydrous msds number. Hydrofluoric acid hf is a highly corrosive and toxic acid, even in a dilute form. P270 do not eat, drink or smoke when using this product. Hydrofluoric acid march 2007 this information sheet provides advice for developing, maintaining and implementing local safe work practices for staff, students, contractors and visitors working or studying at the university who handle hydrofluoric acid. You are required by the regulations to undertake a risk assessment of the activity in which hf will be used, before the activity. Causes severe burns which may not be immediately painful or visible. Occupational exposure limits, if available, are listed in section 8. Describe the role of lab tests and ecg in the evaluation of patients with hydrofluoric acid toxicity. Hydrofluoric acid 5% krystal pure columbus chemical.
Hydrofluoric acid, 49% product no 956423, 956406, 956408 manufacturer. Firstaid measures eyes in case of eye contact, rinse with plenty of water for at. It needs to be treated differently than even strong acids like sulfuric and hydrochloric. It is used to make most fluorinecontaining compounds. Chemical product and company identification product name. Irrigate eyes for at least 15 minutes with copious quantities of water, keeping eyelids apart and away from eyeballs during. Hf will penetrate skin and attack underlying tissues. This product safety summary is intended to provide a general overview of the chemical substance. Hydrofluoric acid 7% hydrofluoric acid is an irritant to the mucosa of the upper and lower portions of the respiratory tract. Hydrofluoric acid, aqueous 70% 000000001807 page 8 14 version 3. May cause sore throat, coughing, labored breathing and lung congestioninflammation. Dangers of hydrofluoric acid hydrofluoric acid is one of the most dangerous acids known. Hydrofluoric acid hazards hydrofluoric acid called hf corrosive acid and contact poison considered a weak acid with ph of 3 hf penetrates skin quickly dilute solutions can interfere with nerve function. Identification of the substancemixture and of the companyundertaking 1.
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