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Name	Propargyl ether	EINECS	N/A
CAS No.	6921-27-3	Density	0.914 g/mL at 25 °C(lit.)
PSA	9.23000	LogP	0.26940
Solubility	N/A	Melting Point	N/A
Formula	C6H6 O	Boiling Point	55-57 °C65 mm Hg(lit.)
Molecular Weight	94.113	Flash Point	75 °F
Transport Information	N/A	Appearance	N/A
Safety	Poison by ingestion. Forms thermally unstable explosive peroxides in air. When heated to decomposition it emits acrid smoke and irritating fumes. See also ACETYLENE COMPOUNDS and ALKYNES and ETHERS.	Risk Codes	10-19-22
Molecular Structure		Hazard Symbols	Xn,Xi
Synonyms	2-Propynylether (6CI,7CI,8CI); 3-[(Prop-2-ynyl)oxy]propyne; 4-Oxa-1,6-heptadiyne;Bis(2-propynyl) ether; Dipropargyl ether; Dipropargyl oxide; Propargyl ether	Article Data	27

Propargyl ether Chemical Properties

IUPAC Name: 3-Prop-2-ynoxyprop-1-yne
Synonyms of 2-Propynyl ether (CAS NO.6921-27-3) : 1-Propyne, 3,3'-oxybis- ; 2-Propynyl ether ; Dipropargyl ether ; Propargyl ether
CAS NO: 6921-27-3
Molecular Formula:C₆H₆O
Molecular Weight :94.11
Molecular Structure :
Index of Refraction: 1.449
Surface Tension: 35.9 dyne/cm
Density: 0.927 g/cm³
Flash Point: 14.1 °C
Enthalpy of Vaporization: 34.08 kJ/mol
Boiling Point: 117.3 °C at 760 mmHg
Vapour Pressure: 20.9 mmHg at 25°C

Propargyl ether Uses

2-Propynyl ether (CAS NO.6921-27-3) is used as intermediate in organic synthesis .

Propargyl ether Toxicity Data With Reference

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
dog	LD50	oral	913mg/kg (913mg/kg)	BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) GASTROINTESTINAL: NAUSEA OR VOMITING LIVER: "HEPATITIS, FIBROUS (CIRRHOSIS, POST-NECROTIC SCARRING)"	Federation Proceedings, Federation of American Societies for Experimental Biology. Vol. 19, Pg. 389, 1960.
rabbit	LD50	oral	168mg/kg (168mg/kg)	BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) BEHAVIORAL: FOOD INTAKE (ANIMAL) LIVER: "HEPATITIS, FIBROUS (CIRRHOSIS, POST-NECROTIC SCARRING)"	Federation Proceedings, Federation of American Societies for Experimental Biology. Vol. 19, Pg. 389, 1960.
rat	LD50	oral	539mg/kg (539mg/kg)	BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) BEHAVIORAL: FOOD INTAKE (ANIMAL) LIVER: "HEPATITIS, FIBROUS (CIRRHOSIS, POST-NECROTIC SCARRING)"	Federation Proceedings, Federation of American Societies for Experimental Biology. Vol. 19, Pg. 389, 1960.

Propargyl ether Safety Profile

Poison by ingestion. Forms thermally unstable explosive peroxides in air. When heated to decomposition it emits acrid smoke and irritating fumes. See also ACETYLENE COMPOUNDS and ALKYNES and ETHERS.
Hazard Codes Harmful Xn,Xi
Risk Statements 10-19-22
R10:Flammable.
R19: 2-Propynyl ether (CAS NO.6921-27-3) may form explosive peroxides.
R22:Harmful if swallowed.
Safety Statements 16-36
S16:Keep away from sources of ignition.
S36:Wear suitable protective clothing.
RIDADR UN 3271 3/PG 3
WGK Germany 3
RTECS UK5950000
Hazard Note Irritant
HazardClass 3.1
PackingGroup II

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