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英文名稱：Hydrofluoric acidCAS號：7664-39-3分子式：FH分子量：20.01EINECS號：231-634-8

熔點 -35°C沸點 105°C密度 1.15 g/mL at 25 °C(lit.)
蒸氣密度1.27 (vs air)
蒸氣壓25 mm Hg ( 20 °C)
閃點 112°C酸度系數(pKa)3.17(at 25℃)形態Liquid, Double Sub-Boiling Quartz Distillation比重1.15顏色max. 10氣味 (Odor)Acrid, irritating odor水溶解性 soluble敏感性 HygroscopicMerck 14,4790暴露限值Ceiling limit 3 ppm (～2.5 mg/m³) as F (ACGIH); TWA 3 ppm (MSHA and OSHA).穩定性Stable. Hygroscopic. Incompatible with glass, alkali metals, light metals, alkaline earth metals

危險性符號(GHS)
GHS05,GHS06警示詞Danger危險性描述H300+H310+H330-H314-H300-H310-H318-H330防范說明P301+P310a-P304+P340-P320-P405-P501a-P260-P280-P301+P310+P330-P303+P361+P353-P304+P340+P310-P305+P351+P338-P403+P233危險品標志 T+,C,T,Xn危險類別碼 26/27/28-35-36/37/38-20/21/22安全說明 26-36/37/39-45-7/9-36/37-28-36危險品運輸編號 UN 1790 8/PG 2
WGK Germany 2
RTECS號MW7875000
Hazard Note CorrosiveTSCA YesHazardClass 8PackingGroup II海關編碼 28111100毒性LC50 (15 min.) in rats, guinea pigs: 2689, 4327 ppm (Rosenholtz)