n-Propyl Alcohol
Title: n-Propyl Alcohol
CAS Registry Number: 71-23-8
CAS Name: 1-Propanol
Additional Names: propylic alcohol
Trademarks: Optal
Molecular Formula: C3H8O
Molecular Weight: 60.10
Percent Composition: C 59.95%, H 13.42%, O 26.62%
Line Formula: CH3CH2CH2OH
Literature References: Discovered by Chancel in 1853 in crude fusel oil and obtained therefrom by fractionation; available as a byproduct of the reaction between carbon monoxide and hydrogen. Toxicity study: Smyth et al., Arch. Ind. Hyg. Occup. Med. 10, 61 (1954).
Properties: Liquid; alcoholic and slightly stupefying odor. mp -127°. bp 97.2°. d420 0.8053; d425 0.8016: Mumford, Phillips, J. Chem. Soc. 1950, 75. Flash pt 22°C. nD20 1.3862. Miscible with water, alcohol, ether. LD50 orally in rats: 1.87 g/kg (Smyth).
Melting point: mp -127°
Boiling point: bp 97.2°
Flash point: Flash pt 22°C
Index of refraction: nD20 1.3862
Density: d420 0.8053; d425 0.8016: Mumford, Phillips, J. Chem. Soc. 1950, 75
Toxicity data: LD50 orally in rats: 1.87 g/kg (Smyth)
CAUTION: Potential symptoms of overexposure are irritation of eyes, nose and throat; dry cracking skin; drowsiness, headache; ataxia, GI pain; abdominable cramps; nausea, vomiting and diarrhea. See NIOSH Pocket Guide to Chemical Hazards (DHHS/NIOSH 97-140, 1997) p 268.
Use: As a solvent for resins and cellulose esters, etc.

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