Melting point :242-244 °C(lit.)
storage temp. :Keep in dark place,Inert atmosphere,Room temperature
solubility :NaOH: soluble1 N
form :crystalline
color :dark green
Water Solubility :Soluble in water, 1N NaOH, and methanol.
Sensitive :Light & Air Sensitive & Hygroscopic
λmax :375nm(lit.)
BRN :3581235
InChI :InChI=1S/C16H13NO3S.H3N/c18-21(19,20)15-11-5-7-12-6-4-10-14(16(12)15)17-13-8-2-1-3-9-13;/h1-11,17H,(H,18,19,20);1H3
InChIKey :SYNRZVIFUGIQFF-UHFFFAOYSA-N
SMILES :S(C1=CC=CC2=CC=CC(NC3C=CC=CC=3)=C12)(O)(=O)=O.N
CAS DataBase Reference :28836-03-5(CAS DataBase Reference)
EPA Substance Registry System :1-Naphthalenesulfonic acid, 8-(phenylamino)-, monoammonium salt (28836-03-5)

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. 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.