Melting point :-98 °C (lit.)
Boiling point :142-143 °C (lit.)
Density :0.764 g/mL at 25 °C (lit.)
vapor density :4.48 (vs air)
vapor pressure :4.8 mm Hg ( 20 °C)
refractive index :n20/D 1.399(lit.)
Flash point :77 °F
storage temp. :Store at <= 20°C.
solubility :H2O: soluble0.113g/L at 20°C
form :Liquid
color :Clear colorless
PH :5.2 (0.2g/l, H2O, 20℃)
Relative polarity :1.7
Odor :Mild, ether-like.
PH Range :5.2
explosive limit :0.9-8.5%(V)
Water Solubility :0.03 g/100 mL (20 ºC)
Merck :14,1569
BRN :1732752
Dielectric constant :3.1（25℃）
Stability :Stable. Flammable. May form peroxides in storage. Incompatible with strong oxidizing agents.
InChIKey :DURPTKYDGMDSBL-UHFFFAOYSA-N
LogP :3.35
CAS DataBase Reference :142-96-1(CAS DataBase Reference)
NIST Chemistry Reference :n-Butyl ether(142-96-1)
EPA Substance Registry System :Butyl ether (142-96-1)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H226 Flammable liquid and vapour Flammable liquids Category 3 Warning 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 H412 Harmful to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 3 P273, P501
Precautionary statements:	P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P233 Keep container tightly closed. P240 Ground/bond container and receiving equipment. P273 Avoid release to the environment. 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.