Melting point :164-166 °C(lit.)
Boiling point :400.5±47.0 °C(Predicted)
Density :1.08
bulk density :500kg/m3
vapor pressure :0.00001 hPa (70 °C)
refractive index :1.6490 (estimate)
storage temp. :2-8°C
solubility :5.37g/l
pka :pKa 10.65(H2O t = 25.0±0.5 I = 0.2) (Uncertain)
form :powder
color :white to faintly beige
PH :5.8-6.1 (5g/l, H2O, 20℃)
Odor :Odorless
PH Range :5.8 - 6.1 (0.5% aq.sol.)
Water Solubility :7.5 g/L at 25 ºC
λmax :257nm(H2O)(lit.)
Merck :14,8925
BRN :511852
Henry's Law Constant :6.6×10⁴ mol/(m³Pa) at 25℃, HSDB (2015)
InChI :1S/C6H8N2O2S/c7-5-1-3-6(4-2-5)11(8,9)10/h1-4H,7H2,(H2,8,9,10)
InChIKey :FDDDEECHVMSUSB-UHFFFAOYSA-N
SMILES :Nc1ccc(cc1)S(N)(=O)=O
LogP :-0.620
CAS DataBase Reference :63-74-1(CAS DataBase Reference)
NIST Chemistry Reference :Benzenesulfonamide, 4-amino-(63-74-1)
EPA Substance Registry System :Sulfanilamide (63-74-1)

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 H314 Causes severe skin burns and eye damage Skin corrosion/irritation Category 1A, B, C Danger P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501 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. P301+P330+P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. 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.