Melting point :-37°C
Boiling point :138 °C749 mm Hg(lit.)
Density :0.88 g/mL at 25 °C(lit.)
vapor pressure :7.4 mm Hg ( 21.1 °C)
refractive index :n20/D 1.466(lit.)
Flash point :65 °F
storage temp. :Poison room
form :Liquid
pka :pK1:11.07 (25°C)
color :Clear colorless to light yellow
Odor :Ammonia-like.
explosive limit :1.6-9.9%(V)
Water Solubility :soluble
BRN :1084
LogP :1.7
CAS DataBase Reference :111-49-9(CAS DataBase Reference)
NIST Chemistry Reference :1H-Azepine, hexahydro-(111-49-9)
EPA Substance Registry System :1H-Azepine, hexahydro- (111-49-9)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H225 Highly Flammable liquid and vapour Flammable liquids Category 2 Danger P210,P233, P240, P241, P242, P243,P280, P303+ P361+P353, P370+P378,P403+P235, P501 H300 Fatal if swallowed Acute toxicity,oral Category 1, 2 Danger P264, P270, P301+P310, P321, P330,P405, P501 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 H331 Toxic if inhaled Acute toxicity,inhalation Category 3 Danger P261, P271, P304+P340, P311, P321,P403+P233, P405, P501
Precautionary statements:	P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. 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+P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.