Vinyl Ether
Title: Vinyl Ether
CAS Registry Number: 109-93-3
CAS Name: 1,1¢-Oxybisethene
Additional Names: divinyl ether; divinyl oxide; ethenyloxyethene
Trademarks: Vinethene; Vinesthene
Molecular Formula: C4H6O
Molecular Weight: 70.09
Percent Composition: C 68.54%, H 8.63%, O 22.83%
Line Formula: CH2=CHOCH=CH2
Literature References: Prepn: Major, Ruigh, US 2021872 (1935 to Merck & Co.); Mittag, Smidt, US 2832807 (1958 to Consortium für electrochem. Ind. GmbH). Toxicity data: Molitar, J. Pharmacol. Exp. Ther. 57, 274 (1936).
Properties: Very volatile, flammable liq; characteristic odor. Dec on exposure to light or to acid fumes, forming acetaldehyde, and polymerizes to a solid glass-like mass. d2020 0.774; d420 0.773. bp 28.4°. nD20 1.3989. Crit temp 183° (calc). Critical press. ~30 atm. Specific heat ~0.53 cal/g. Explosives limits (% by vol in air), lower: 1.7, upper: 27.0. Autoignition temp 360° (680°F). 0.53 g dissolves in 100 g water at 37°. Oil-water soly coefficient at 37°: 41. Miscible with alcohol, ether, oils and other organic solvents. Pharmaceutical product contains not less than 96.0% and not more than 97.0% vinyl ether, the remainder consisting of dehydrated alcohol. Keep protected from light and acid fumes, in a cool place, and away from an open flame. LC50 (3 hr in air) in mice, rats (mg/l): 146.8, 386.5 (Molitor).
Boiling point: bp 28.4°
Index of refraction: nD20 1.3989
Density: d2020 0.774; d420 0.773
Toxicity data: LC50 (3 hr in air) in mice, rats (mg/l): 146.8, 386.5 (Molitor)
Therap-Cat: Anesthetic (inhalation).
Keywords: Anesthetic (Inhalation).

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