Melting point :245-250 °C (lit.)
Boiling point :363.4°C (rough estimate)
Density :1.366
vapor pressure :<0.0001 Pa (20 °C)
refractive index :1.5220 (estimate)
storage temp. :Store below +30°C.
solubility :1.1g/l
form :Crystalline Powder
pka :7?+-.0.15(Predicted)
color :White to grayish-green
PH :6.6-7.0 (100g/l, H2O, 20℃)
Odor :odorless
Water Solubility :1.1 g/L (20 ºC)
λmax :295nm(H2O)(lit.)
BRN :2052954
Stability :Stable. Incompatible with strong bases, acid chloride, acid anhydrides, strong oxidizing agents.
InChIKey :VPWNQTHUCYMVMZ-UHFFFAOYSA-N
LogP :1.2 at 23℃
CAS DataBase Reference :80-09-1(CAS DataBase Reference)
EPA Substance Registry System :Phenol, 4,4'-sulfonylbis- (80-09-1)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H303 May be harmfulif swallowed Acute toxicity,oral Category 5 P312 H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning H402 Harmful to aquatic life Hazardous to the aquatic environment, acute hazard Category 3
Precautionary statements:	P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection. P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405 Store locked up. P501 Dispose of contents/container to..…