Melting point :-34 °C
Boiling point :109 °C20 mm Hg(lit.)
Density :0.834 g/mL at 25 °C
refractive index :1.4285
Flash point :1 °F
storage temp. :Flammables area
solubility :Benzene, Tetrahydrofuran
form :Solution
color :Clear colorless to light yellow
Water Solubility :Not miscible or difficult to mix with water.
Sensitive :Air Sensitive
Exposure limits :ACGIH: TWA 50 ppm; STEL 100 ppm (Skin)
OSHA: TWA 200 ppm(590 mg/m3)
NIOSH: IDLH 2000 ppm; TWA 200 ppm(590 mg/m3); STEL 250 ppm(735 mg/m3) InChIKey :CMHHITPYCHHOGT-UHFFFAOYSA-N
CAS DataBase Reference :122-56-5
EPA Substance Registry System :Borane, tributyl- (122-56-5)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H250 Catches fire spontaneously if exposed to air Pyrophoric liquids; Pyrorophoric solids Category 1 Danger P210, P222, P280, P302+P334,P370+P378, P422 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
Precautionary statements:	P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P231+P232 Handle under inert gas. Protect from moisture. P280 Wear protective gloves/protective clothing/eye protection/face protection. P301+P312 IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. 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.