Melting point :62-66 °C (dec.) (lit.)
Boiling point :344.8℃[at 101 325 Pa]
Density :0.978[at 20℃]
vapor pressure :0.018Pa at 25℃
refractive index :1.5
Flash point :4°C (39°F)
storage temp. :under inert gas (nitrogen or Argon) at 2-8°C
solubility :Chloroform (Slightly), Methanol (Slightly)
form :liquid
Specific Gravity :0.91
color :colorless to pale-yellow
Hydrolytic Sensitivity :4: no reaction with water under neutral conditions
BRN :4019186
Stability :Hygroscopic
LogP :-0.44 at 23℃
CAS DataBase Reference :2304-30-5(CAS DataBase Reference)
EPA Substance Registry System :Phosphonium, tetrabutyl-, chloride (2304-30-5)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes 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:	P260 Do not breathe dust/fume/gas/mist/vapours/spray. 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.