Melting point :−20 °C(lit.)
Boiling point :111-113 °C5 mm Hg(lit.)
Density :1.194 g/mL at 25 °C(lit.)
vapor pressure :0.05 hPa (20 °C)
refractive index :n20/D 1.632(lit.)
Flash point :250 °F
storage temp. :2-8°C
solubility :alcohol: soluble
form :Liquid
color :Clear colorless to yellow, product may discolor during storage
PH :7 (H2O, 20℃)(undiluted)
Water Solubility :insoluble. <0.1 g/100 mL at 20 ºC
Merck :14,2149
BRN :970836
Dielectric constant :5.0
Stability :Stable. Combustible. Incompatible with strong oxidizing agents.
Surface tension :41.8mN/m at 20°C
CAS DataBase Reference :90-13-1(CAS DataBase Reference)
NIST Chemistry Reference :Naphthalene, 1-chloro-(90-13-1)
EPA Substance Registry System :1-Chloronaphthalene (90-13-1)

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 H400 Very toxic to aquatic life Hazardous to the aquatic environment, acute hazard Category 1 Warning P273, P391, P501
Precautionary statements:	P273 Avoid release to the environment. 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.