Melting point :15°C
Boiling point :127-131 °C12 mm Hg(lit.)
Density :1.057 g/mL at 25 °C(lit.)
refractive index :n20/D 1.5535(lit.)
Flash point :>230 °F
storage temp. :Sealed in dry,Room Temperature
solubility :Dichloromethane, Diethyl Ether, Ethyl Acetate
form :Liquid
color :Clear yellow to orange
Water Solubility :Insoluble in water.
CAS DataBase Reference :1590-08-5(CAS DataBase Reference)
NIST Chemistry Reference :1(2H)-Naphthalenone, 3,4-dihydro-2-methyl-(1590-08-5)

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 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. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.