Propyl Acetate
Title: Propyl Acetate
CAS Registry Number: 109-60-4
CAS Name: Acetic acid n-propyl ester
Molecular Formula: C5H10O2
Molecular Weight: 102.13
Percent Composition: C 58.80%, H 9.87%, O 31.33%
Line Formula: CH3COOCH2CH2CH3
Literature References: Prepn from acetic acid and n-propyl alcohol: Wagner, J. Chem. Educ. 27, 245 (1950). Manuf from acetic acid and mixture of propene + propane in the presence of ZnCl2 catalyst: Biller, GB 872876 (1961). Toxicity study: P. M. Jenner et al., Food Cosmet. Toxicol. 2, 327 (1964).
Properties: Liquid, odor of pears, bp 101.6°. mp -92°. d420 0.836, d2020 0.887. nD20 1.3844. Flash pt, closed cup: 58°F (14°C). Soly in water at 16°: 1.6:100. Misc with alcohol, ether. LD50 in rats, mice (mg/kg): 9370, 8300 orally (Jenner).
Melting point: mp -92°
Boiling point: bp 101.6°
Flash point: Flash pt, closed cup: 58°F (14°C)
Index of refraction: nD20 1.3844
Density: d420 0.836; d2020 0.887
Toxicity data: LD50 in rats, mice (mg/kg): 9370, 8300 orally (Jenner)
CAUTION: Potential symptoms of overexposure in exptl animals are irritation of eyes, nose and throat; narcosis; dermatitis. See NIOSH Pocket Guide to Chemical Hazards (DHHS/NIOSH 97-140, 1997) p 266.
Use: Mfg flavors, perfumes. Solvent for resins, cellulose derivatives, plastics.

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