Melting point :274-278 °C
Density :1.344-1.358g/cm3 at 20℃
vapor pressure :0-0Pa at 20-25℃
storage temp. :Hygroscopic, -20°C Freezer, Under inert atmosphere
solubility :Chloroform (Slightly, Sonicated), DMSO (Slightly), Methanol (Slightly)
form :Solid
color :Pale Grey to Light Beige
Stability :Hygroscopic
LogP :-0.9 at 20℃ and pH7
EPA Substance Registry System :1H-Benz[e]indolium, 1,1,2-trimethyl-3-(4-sulfobutyl)-, inner salt (63149-24-6)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H228 Flammable solid Flammable solids Category 1 Category 2 Danger Warning P210, P240,P241, P280, P370+P378 H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning P261, P272, P280, P302+P352,P333+P313, P321, P363, P501
Precautionary statements:	P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P240 Ground/bond container and receiving equipment. P241 Use explosion-proof electrical/ventilating/lighting/…/equipment. P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P272 Contaminated work clothing should not be allowed out of the workplace. P280 Wear protective gloves/protective clothing/eye protection/face protection. P302+P352 IF ON SKIN: wash with plenty of soap and water. P321 Specific treatment (see … on this label). P333+P313 IF SKIN irritation or rash occurs: Get medical advice/attention. P363 Wash contaminated clothing before reuse. P370+P378 In case of fire: Use … for extinction. P501 Dispose of contents/container to..…