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Hydrofluoric acid is used in the glass etching, electronic and chemical industries. Hydrogen fluoride is mainly used in the production of organofluorine compounds, aluminum and chlorofluorocarbons. Hydrogen fluoride is also used for separating uranium isotopes, as a catalyst in the petroleum industry, and in stainless steel pickling. Hydrofluoric acid is used as a pickling agent and used in the semiconductor materials.
Fraga, S.; Valandro, L. F.; Bottino, M. A.; May, L. G. Hard machining, glaze firing and hydrofluoric acid etching: Do these procedures affect the flexural strength of a leucite glass-ceramic? Dent. Mater. 2015, 31 (7), e131-e140.
Senthilnathan, J.; Weng, C. C.; Tsai, W. T.; Gogotsi, Y.; Yoshimura, M. Synthesis of carbon films by electrochemical etching of SiC with hydrofluoric acid in nonaqueous solvents. Carbon 2014, 71, 181-189.
Hazard Statements: H300-H310-H330-H314-H318
Fatal if swallowed. Fatal in contact with skin. Fatal if inhaled. Causes severe skin burns and eye damage. Causes serious eye damage.
Precautionary Statements: P301+P310a-P303+P361+P353-P304+P340-P305+P351+P338-P320-P405-P501a
IF SWALLOWED: Immediately call a POISON CENTER/doctor IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Specific treatment is urgent (see label). Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.