Allyl Alcohol
Structural Formula Vector Image
Title: Allyl Alcohol
CAS Registry Number: 107-18-6
CAS Name: 2-Propen-1-ol
Additional Names: 1-propenol-3; vinyl carbinol
Molecular Formula: C3H6O
Molecular Weight: 58.08
Percent Composition: C 62.04%, H 10.41%, O 27.55%
Line Formula: CH2=CHCH2OH
Literature References: Prepd by heating glycerol with formic acid: O. Kamm, C. S. Marvel, Org. Synth. coll. vol. I, 42 (2nd ed., 1941); cf. Delaby, Dubois, Compt. Rend. 188, 710 (1929). Toxicity study: Smyth, Carpenter, J. Ind. Hyg. Toxicol. 30, 63 (1948).
Properties: Colorless liquid; pungent, mustard-like odor. d420 0.8540. bp 96-97°. mp -50°. nD20 1.41345. Absorption spectrum: Lüthy, Z. Phys. Chem. 107, 289 (1923). Flash pt 70°F (open cup); 75°F (closed cup); autoignition temp 713°F. 72.3% of the alcohol with 27.7% water forms a constant boiling mixture, bp at 87.5°. Miscible with water, alcohol, chloroform, ether, petr ether. Keep tightly closed. Upon storage for several years allyl alcohol polymerizes and a thick syrup is formed (insol in water, sol in chloroform) which on treatment with ether yields a brittle resinoid mass: Blicke, J. Am. Chem. Soc. 45, 1563 (1923). LD50 orally in rats: 64 mg/kg (Smyth, Carpenter).
Melting point: mp -50°
Boiling point: bp 96-97°; bp at 87.5°
Flash point: Flash pt 70°F (open cup); 75°F (closed cup); autoignition temp 713°F
Index of refraction: nD20 1.41345
Density: d420 0.8540
Toxicity data: LD50 orally in rats: 64 mg/kg (Smyth, Carpenter)
CAUTION: Potential symptoms of overexposure are eye irritation, tissue damage; irritation of upper respiratory system and skin; pulmonary edema. See NIOSH Pocket Guide to Chemical Hazards (DHHS/NIOSH 97-140, 1997) p 10.
Use: Manuf allyl compds, war gas, resins, plasticizers.

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