Melting point :96.8 °C
Boiling point :229.5 °C
Density :4.74 g/mL at 25 °C(lit.)
Flash point :230°C
solubility :soluble in H2O, ethyl ether; slightly soluble in CS2
form :Powder
Specific Gravity :4.740
color :off-white
Water Solubility :Decomposes in water forming tantalum oxyfluoride. Soluble in conc. and fuming HNO{3}Soluble in carbon disulfide, carbon tetrachloride and chloroform. Slightly soluble in acetic acid and ethanol.
Hydrolytic Sensitivity :7: reacts slowly with moisture/water
Sensitive :Moisture Sensitive
Merck :14,9055
Exposure limits :ACGIH: TWA 2.5 mg/m3
NIOSH: IDLH 250 mg/m3 CAS DataBase Reference :7783-71-3(CAS DataBase Reference)
EPA Substance Registry System :Tantalum fluoride (TaF5) (7783-71-3)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H314 Causes severe skin burns and eye damage Skin corrosion/irritation Category 1A, B, C Danger P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501
Precautionary statements:	P260 Do not breathe dust/fume/gas/mist/vapours/spray. P280 Wear protective gloves/protective clothing/eye protection/face protection. P301+P330+P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.