2-Methyl-3-butyn-2-ol
Title: 2-Methyl-3-butyn-2-ol
CAS Registry Number: 115-19-5
Additional Names: 2-Hydroxy-2-methyl-3-butyne
Molecular Formula: C5H8O
Molecular Weight: 84.12
Percent Composition: C 71.39%, H 9.59%, O 19.02%
Literature References: Toxicity data: W. Keil et al., Arzneim.-Forsch. 4, 477 (1954); K. Soehring et al., ibid. 5, 161 (1955).
Properties: Liquid. d2020 0.8672. 7.24 lbs/gal. mp 2.6°. bp760 104-105°; bp80 52°; bp12 20°. Flash pt 77°F (25°C). nD20 1.4211. Surface tension at 25° = 23.8 dynes/cm; 5% aq soln = 41.7 dynes/cm. Miscible with water, acetone, benzene, carbon tetrachloride, Cellosolve, cyclohexanone, diethylene glycol, ethyl acetate, kerosine, methyl ethyl ketone, mineral spirits, monoethanolamine, neatsfoot oil, petr ether, soybean oil, Stoddard solvent. Azeotrope with water, bp 90.7°, contains 28.4% H2O. LD50 in mice (mg/kg): 1800 orally (Keil); 2340 s.c. (Soehring).
Melting point: mp 2.6°
Boiling point: bp760 104-105°; bp80 52°; bp12 20°; bp 90.7°
Flash point: Flash pt 77°F (25°C)
Index of refraction: nD20 1.4211
Density: d2020 0.8672. 7.24 lbs/gal
Toxicity data: LD50 in mice (mg/kg): 1800 orally (Keil); 2340 s.c. (Soehring)

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