Melting point :≥300 °C(lit.)
Boiling point :220°C (rough estimate)
Density :1.3588 (rough estimate)
refractive index :1.6500 (estimate)
storage temp. :Sealed in dry,Room Temperature
solubility :Aqueous Base (Slightly), DMSO (Slightly, Sonicated)
form :Powder
pka :pK1: 3.66 (25°C)
Appearance :Gray to brown Solid
Merck :14,2351
BRN :2115629
InChI :InChI=1S/C10H9NO3S/c11-10-3-1-2-7-4-5-8(6-9(7)10)15(12,13)14/h1-6H,11H2,(H,12,13,14)
InChIKey :QEZZCWMQXHXAFG-UHFFFAOYSA-N
SMILES :C1=C2C(C=CC=C2N)=CC=C1S(O)(=O)=O
CAS DataBase Reference :119-28-8(CAS DataBase Reference)
NIST Chemistry Reference :1-Naphthylamine-7-sulfonic acid(119-28-8)
EPA Substance Registry System :2-Naphthalenesulfonic acid, 8-amino- (119-28-8)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes 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
Precautionary statements:	P260 Do not breathe dust/fume/gas/mist/vapours/spray. P280 Wear protective gloves/protective clothing/eye protection/face protection. P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P363 Wash contaminated clothing before reuse.