Melting point :58-61 °C (lit.)
Boiling point :160 °C (19 mmHg)
Density :1.6211
refractive index :1.6211 (estimate)
Flash point :160°C/19mm
storage temp. :-20°C
solubility :Chloroform, Methanol (Sparingly)
form :Powder or Chunks
color :Off-white to yellow or light beige
Water Solubility :Soluble in hot water.
FreezingPoint :1.0755
Sensitive :Air Sensitive
BRN :507750
Henry's Law Constant :6.0×10¹ mol/(m³Pa) at 25℃, Abraham and Jr. (2019)
InChI :1S/C11H8O/c12-8-9-5-6-10-3-1-2-4-11(10)7-9/h1-8H
InChIKey :PJKVFARRVXDXAD-UHFFFAOYSA-N
SMILES :[H]C(=O)c1ccc2ccccc2c1
CAS DataBase Reference :66-99-9(CAS DataBase Reference)
NIST Chemistry Reference :2-Naphthalenecarboxaldehyde(66-99-9)
EPA Substance Registry System :2-Naphthalenecarboxaldehyde (66-99-9)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H301 Toxic if swalloed Acute toxicity,oral Category 3 Danger P264, P270, P301+P310, P321, P330,P405, 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. P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P270 Do not eat, drink or smoke when using this product. P271 Use only outdoors or in a well-ventilated area. 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. P405 Store locked up. P501 Dispose of contents/container to..…