Melting point :195°C
Boiling point :482.2±55.0 °C(Predicted)
Density :1.3486 (rough estimate)
refractive index :1.6630 (estimate)
storage temp. :Keep in dark place,Inert atmosphere,2-8°C
solubility :acetone: complete50 mg/ml
pka :5.0(at 25℃)
form :Solid
color :White to Light Brown
Water Solubility :<0.1 g/100 mL at 22.5 ºC
λmax :271nm(MeOH)(lit.)
Merck :14,8952
BRN :6737262
Stability :Stable. Incompatible with strong oxidizing agents.
CAS DataBase Reference :127-69-5(CAS DataBase Reference)
NIST Chemistry Reference :Benzenesulfonamide, 4-amino-N-(3,4-dimethyl-5-isoxazolyl)-(127-69-5)
IARC :3 (Vol. 24, Sup 7) 1987
EPA Substance Registry System :Sulfisoxazole (127-69-5)

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 H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:	P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P271 Use only outdoors or in a well-ventilated area. 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.