Melting point :250 °C (dec.) (lit.)
Boiling point :230.35°C (rough estimate)
Density :0.862
vapor density :6.16 (vs air)
refractive index :1.4209 (estimate)
Flash point :13 °C
storage temp. :Keep in dark place,Inert atmosphere,Room temperature
solubility :Soluble in water (50 mg/ml,with sonication), ethanol (100 mg/ml), chloroform (Slightly), ether (Slightly), and methanol (100 mg/ml).
pka :8.47±0.20(Predicted)
form :Powder/Solid
color :white to brownish-white, crystals
Specific Gravity :0.788
Odor :Odorless
PH Range :4.6 - 5.0
PH :4.6-5.0 (10g/l, H2O, 20℃)
Water Solubility :0.1-0.5 g/100 mL at 20 ºC
Sensitive :Light Sensitive
Merck :14,6554
BRN :1910963
Stability :Stable. Incompatible with amines, alkalies, strong bases. Light-sensitive.
InChIKey :FEMOMIGRRWSMCU-UHFFFAOYSA-N
LogP :0.670
CAS DataBase Reference :485-47-2(CAS DataBase Reference)
NIST Chemistry Reference :Ninhydrin(485-47-2)
EPA Substance Registry System :Ninhydrin (485-47-2)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, 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
Precautionary statements:	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.