Melting point :119-122 °C(lit.)
Boiling point :243.22°C (rough estimate)
Density :1,42 g/cm³
vapor pressure :<1 hPa (50 °C)
refractive index :1.5300 (estimate)
Flash point :141 °C
storage temp. :Store below +30°C.
solubility :0.09g/l
form :Powder
color :Khaki
PH :6.1 (10g/l, H2O, 20℃)
Water Solubility :insoluble
Merck :14,6395
BRN :878524
Henry's Law Constant :5.0×10³ mol/(m³Pa) at 25℃, HSDB (2015)
Stability :Stable. Incompatible with strong reducing agents, strong oxidizing agents.
InChI :1S/C10H6O2/c11-9-5-6-10(12)8-4-2-1-3-7(8)9/h1-6H
InChIKey :FRASJONUBLZVQX-UHFFFAOYSA-N
SMILES :O=C1C=CC(=O)c2ccccc12
LogP :1.71-1.77 at 25℃
CAS DataBase Reference :130-15-4(CAS DataBase Reference)
NIST Chemistry Reference :1,4-Naphthalenedione(130-15-4)
EPA Substance Registry System :1,4-Naphthoquinone (130-15-4)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H314 Causes severe skin burns and eye damage Skin corrosion/irritation Category 1A, B, C Danger P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501 H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning P261, P272, P280, P302+P352,P333+P313, P321, P363, P501 H330 Fatal if inhaled Acute toxicity,inhalation Category 1, 2 Danger P260, P271, P284, P304+P340, P310,P320, P403+P233, P405, P501 H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning 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:	P260 Do not breathe dust/fume/gas/mist/vapours/spray. P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection. P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.