Melting point :−58 °C(lit.)
Boiling point :126-129 °C(lit.)
Density :1.15 g/mL(lit.)
vapor density :4.9 (vs air)
vapor pressure :4.2 mm Hg ( 20 °C)
refractive index :n20/D 1.344(lit.)
Flash point :118 °F
storage temp. :Store below +30°C.
solubility :Miscible with ether and alcohol.
form :liquid
Specific Gravity :1.126 (20/4℃)
color :brown
explosive limit :5.1-18.2%(V)
Water Solubility :Reacts
Sensitive :Moisture Sensitive
Hydrolytic Sensitivity :7: reacts slowly with moisture/water
Merck :14,1350
BRN :3909607
Exposure limits :ACGIH: TWA 0.1 ppm; Ceiling 0.7 ppm
Stability :Stable. Highly flammable. May form explosive peroxides in contact with air or oxygen. Reacts exothermically with water to form extremely flammable diethyl ether and toxic, corrosive boron trifluoride hydrates. Also incompatible with bases, amines, alkali metals.
InChIKey :MZTVMRUDEFSYGQ-UHFFFAOYSA-N
CAS DataBase Reference :109-63-7(CAS DataBase Reference)
NIST Chemistry Reference :Boron trifluoride etherate(109-63-7)
EPA Substance Registry System :Boron, trifluoro[1,1'-oxybis[ethane]]-, (T-4)- (109-63-7)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H226 Flammable liquid and vapour Flammable liquids Category 3 Warning H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501 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 H330 Fatal if inhaled Acute toxicity,inhalation Category 1, 2 Danger P260, P271, P284, P304+P340, P310,P320, P403+P233, P405, P501 H372 Causes damage to organs through prolonged or repeated exposure Specific target organ toxicity, repeated exposure Category 1 Danger P260, P264, P270, P314, P501 H412 Harmful to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 3 P273, P501
Precautionary statements:	P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection. 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.