Melting point :94-96 °C(lit.)
Boiling point :278-280 °C(lit.)
Density :1.224
vapor density :4.5 (120 °C, vs air)
vapor pressure :1 mm Hg ( 94 °C)
refractive index :1.6224
Flash point :125 °C
storage temp. :Store below +30°C.
solubility :Soluble in benzene, chloroform, ether and ethanol.
pka :9.34(at 25℃)
form :Crystalline Flakes
color :white to off-white
Odor :Slight phenolic odor
explosive limit :5%
Water Solubility :436.7mg/L(25 ºC)
λmax :324nm(MeOH)(lit.)
Sensitive :Air & Light Sensitive
Merck :14,6383
BRN :1817321
Stability :Stable, but air and light sensitive - store under inert gas. Incompatible with strong bases, strong oxidizing agents.
InChIKey :KJCVRFUGPWSIIH-UHFFFAOYSA-N
LogP :2.84 at 25℃
CAS DataBase Reference :90-15-3(CAS DataBase Reference)
NIST Chemistry Reference :1-Naphthalenol(90-15-3)
EPA Substance Registry System :1-Naphthol (90-15-3)

Symbol(GHS):
Signal word:	Danger
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 H311 Toxic in contact with skin Acute toxicity,dermal Category 3 Danger P280, P302+P352, P312, P322, P361,P363, P405, P501 H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362 H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning P261, P272, P280, P302+P352,P333+P313, P321, P363, P501 H318 Causes serious eye damage Serious eye damage/eye irritation Category 1 Danger P280, P305+P351+P338, P310 H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning H371 May cause damage to organs Specific target organ toxicity, single exposure Category 2 Warning P260, P264, P270, P309+P311, P405,P501 H410 Very toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 1 Warning P273, P391, P501
Precautionary statements:	P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection. P301+P312 IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.