Melting point :100-103 °C(lit.)
Density :1.8[at 20℃]
vapor pressure :0.018Pa at 25℃
Flash point :290 °C
storage temp. :under inert gas (nitrogen or Argon) at 2-8°C
solubility :Chloroform (Slightly), Methanol (Slightly)
form :crystal
color :white
Water Solubility :ca 70 g/100 mL
Sensitive :Hygroscopic
BRN :4160474
Stability :hygroscopic
InChIKey :JRMUNVKIHCOMHV-UHFFFAOYSA-M
LogP :-0.44 at 23℃
CAS DataBase Reference :3115-68-2(CAS DataBase Reference)
NIST Chemistry Reference :Phosphonium bromide, tetrabutyl(3115-68-2)
EPA Substance Registry System :Phosphonium, tetrabutyl-, bromide (3115-68-2)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H290 May be corrosive to metals Corrosive to Metals Category 1 Warning P234, P390, P404 H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501 H311 Toxic in contact with skin Acute toxicity,dermal Category 3 Danger P280, P302+P352, P312, P322, P361,P363, P405, P501 H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning P261, P272, P280, P302+P352,P333+P313, P321, P363, P501 H318 Causes serious eye damage Serious eye damage/eye irritation Category 1 Danger P280, P305+P351+P338, P310 H411 Toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 2
Precautionary statements:	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. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P308+P313 IF exposed or concerned: Get medical advice/attention.