MF: C₆H₁₄O
MW: 102.17
Flash Point: 4.4 °C
EINECS: 203-869-6 
Melting Point: -123 °C
Storage temp  Flammables area
IUPAC Name: 1-propoxypropane
Enthalpy of Vaporization: 31.31 kJ/mol 
Vapour Pressure: 64.2 mmHg at 25°C
Boiling Point: 90.2 °C at 760 mmHg
Density: 0.736 g/mL at 25 °C(lit.)
Vapor pressure: 55 mm Hg ( 20 °C)
Refractive index: n20/D 1.380(lit.)
Chemical Properties: Clear colorless liquid
Synonyms: Dipropyl ether ; Di-n-propplether ; Di-n-propyl ether ; Propyl ether ; N-propyl ether ; (N-C₃H₇)2O ; 1,1’-Oxybis-propan ; 1,1’-Oxybispropane
Following is the molecular structure of Propyl ether (111-43-3):

 Reactivity Profile: Ethers, such as Dipropyl ether (111-43-3), can act as bases. They form salts with strong acids and addition complexes with Lewis acids. The complex between diethyl ether and boron trifluoride is an example. Ethers may react violently with strong oxidizing agents. In other reactions, which typically involve the breaking of the carbon-oxygen bond, ethers are relatively inert.

Reported in EPA TSCA Inventory.

Poison by intravenous route. Moderately toxic by inhalation. Possibly narcotic. A flammable liquid and dangerous fire hazard when exposed to heat, flame, or oxidizers. Forms explosive peroxides. Dangerous upon exposure to heat or flame; can react vigorously with oxidizing materials. When heated to decomposition it emits acrid smoke and irritating fumes.
Safety Information of Propyl ether (111-43-3):
Hazard Codes: F
F: Highly Flammable
Risk Statements: 11-19-66-67
11: Highly Flammable 
19: May form explosive peroxides 
66: Repeated exposure may cause skin dryness or cracking 
67: Vapors may cause drowsiness and dizziness  
Safety Statements: 9-16-29-33
9: Keep container in a well-ventilated place 
16: Keep away from sources of ignition - No smoking 
29: Do not empty into drains 
33: Take precautionary measures against static discharges 
RIDADR: UN 2384 3/PG 2
WGK Germany: 1
RTECS: UJ5125000
HazardClass: 3
PackingGroup: II

DOT Classification:  3; Label: Flammable Liquid

Health Hazard and Fire Hazard of Propyl ether (111-43-3):
Health Hazard: Inhalation or contact with material may irritate or burn skin and eyes. Fire may produce irritating, corrosive and/or toxic gases. Vapors may cause dizziness or suffocation. Runoff from fire control may cause pollution.
Fire Hazard: Will be easily ignited by heat, sparks or flames. Vapors may form explosive mixtures with air. Vapors may travel to source of ignition and flash back. Most vapors are heavier than air. They will spread along ground and collect in low or confined areas (sewers, basements, tanks). Vapor explosion hazard indoors, outdoors or in sewers. Runoff to sewer may create fire or explosion hazard. Containers may explode when heated. Many liquids are lighter than water.