Boiling point :170-172 °C (10 mmHg)
Density :1.12
vapor pressure :0.031Pa at 25℃
refractive index :1.503-1.505
storage temp. :Inert atmosphere,Room Temperature
solubility :Chloroform (Slightly), DMSO (Sparingly)
form :Liquid
color :Clear light yellow to brownish
Water Solubility :44.9mg/L at 20℃
LogP :2.8 at 20℃
CAS DataBase Reference :778-28-9(CAS DataBase Reference)
EPA Substance Registry System :Benzenesulfonic acid, 4-methyl-, butyl ester (778-28-9)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning P261, P272, P280, P302+P352,P333+P313, P321, P363, P501 H341 Suspected of causing genetic defects Germ cell mutagenicity Category 2 Warning P201,P202, P281, P308+P313, P405,P501
Precautionary statements:	P201 Obtain special instructions before use. P202 Do not handle until all safety precautions have been read and understood. 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. P281 Use personal protective equipment as required. P302+P352 IF ON SKIN: wash with plenty of soap and water. P308+P313 IF exposed or concerned: Get medical advice/attention. 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. P405 Store locked up. P501 Dispose of contents/container to..…