-
Name
DIPROPARGYL ETHER
- EINECS
- CAS No. 6921-27-3
- Article Data27
- CAS DataBase
- Density 0.914 g/mL at 25 °C(lit.)
- Solubility
- Melting Point
- Formula C6H6 O
- Boiling Point 55-57 °C65 mm Hg(lit.)
- Molecular Weight 94.113
- Flash Point 75 °F
- Transport Information
- Appearance
- 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
- PSA 9.23000
- LogP 0.26940
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
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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