Melting point :4 °C (lit.)
Boiling point :267 °C/761 mmHg (lit.)
Density :1.177 g/mL at 25 °C (lit.)
vapor density :2.9 (vs air)
vapor pressure :168.8 mm Hg ( 37.7 °C)
refractive index :n20/D 1.6344(lit.)
Flash point :-1 °F
storage temp. :Inert atmosphere,2-8°C
solubility :Miscible with alcohol, chloroform and diethyl ether.
form :clear liquid
color :Colorless to Light yellow to Light orange
Sensitive :Moisture Sensitive
Merck :14,6410
BRN :742779
Stability :Stable. Incompatible with strong oxidizing agents, alcohols.
CAS DataBase Reference :86-84-0(CAS DataBase Reference)
NIST Chemistry Reference :Naphthalene, 1-isocyanato-(86-84-0)
EPA Substance Registry System :1-Isocyanatonaphthalene (86-84-0)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes 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 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled Sensitisation, respiratory Category 1 Danger P261, P285, P304+P341, P342+P311,P501 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. 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.