Melting point :-65 °C
Boiling point :150 °C50 mm Hg(lit.)
Density :0.81 g/mL at 25 °C(lit.)
vapor density :9 (vs air)
vapor pressure :1.9Pa at 20℃
refractive index :n20/D 1.462(lit.)
Flash point :99 °F
storage temp. :2-8°C
form :liquid
color :Clear colorless to pale yellow
Specific Gravity :0.820 (20/4℃)
Water Solubility :insoluble
Sensitive :Moisture Sensitive/Air Sensitive
BRN :1738261
Stability :Stable, but pyrophoric - spontaneously inflammable in air. Incompatible with oxidizing agents. Moisture sensitive.
InChIKey :TUQOTMZNTHZOKS-UHFFFAOYSA-N
CAS DataBase Reference :998-40-3(CAS DataBase Reference)
NIST Chemistry Reference :Phosphine, tributyl-(998-40-3)
EPA Substance Registry System :Phosphine, tributyl- (998-40-3)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H251 Self-heating; may catch fire Self-heating substances and mixtures Category 1 Danger 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 H411 Toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 2
Precautionary statements:	P235 Keep cool. P273 Avoid release to the environment. 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.