Melting point :2-5 °C(lit.)
Boiling point :250 °C(lit.)
Density :1.065 g/mL at 25 °C(lit.)
vapor pressure :2.93Pa at 25℃
refractive index :n20/D 1.559(lit.)
Flash point :240 °F
storage temp. :2-8°C
solubility :20g/l
pka :5.2(at 28℃)
form :A liquid
color :Clear Yellow
PH :8 (1g/l, H2O, 20℃)
Water Solubility :practically insoluble
Sensitive :Air Sensitive
Merck :14,7228
BRN :606666
Dielectric constant :7.3（21℃）
Stability :Stable, but light and air sensitive. Combustible. Incompatible with strong oxidizing agents.
InChIKey :IMPPGHMHELILKG-UHFFFAOYSA-N
CAS DataBase Reference :156-43-4(CAS DataBase Reference)
NIST Chemistry Reference :4-Ethoxyaniline(156-43-4)
EPA Substance Registry System :p-Phenetidine (156-43-4)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes 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 H341 Suspected of causing genetic defects Germ cell mutagenicity Category 2 Warning P201,P202, P281, P308+P313, P405,P501
Precautionary statements:	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. P308+P313 IF exposed or concerned: Get medical advice/attention.