Melting point :180 °C (dec.) (lit.)
Density :1.301±0.06 g/cm3(Predicted)
storage temp. :Sealed in dry,Room Temperature
solubility :methanol: soluble25mg/mL, clear to slightly hazy, orange to red
pka :10.42±0.20(Predicted)
form :crystalline
color :orange
BRN :123738
CAS DataBase Reference :608-05-9(CAS DataBase Reference)
NIST Chemistry Reference :5-Methyl-2,3-indolinedione(608-05-9)

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 H332 Harmful if inhaled Acute toxicity,inhalation Category 4 Warning P261, P271, P304+P340, P312 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. P280 Wear protective gloves/protective clothing/eye protection/face protection. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.