Melting point :86°C
Boiling point :290.72°C (rough estimate)
Density :1.3286 (rough estimate)
refractive index :1.5081 (estimate)
storage temp. :2-8°C
solubility :Soluble[in water]
Water Solubility :Soluble in water
form :powder to crystal
pka :-0.47±0.30(Predicted)
color :White to Light yellow to Light red
Sensitive :Hygroscopic
CAS DataBase Reference :609-54-1(CAS DataBase Reference)
EPA Substance Registry System :Benzenesulfonic acid, 2,5-dimethyl- (609-54-1)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes 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
Precautionary statements:	P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P280 Wear protective gloves/protective clothing/eye protection/face protection. P302+P352 IF ON SKIN: wash with plenty of soap and water. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P332+P313 IF SKIN irritation occurs: Get medical advice/attention. P337+P313 IF eye irritation persists: Get medical advice/attention.