n-Butylamine
Title: n-Butylamine
CAS Registry Number: 109-73-9
CAS Name: 1-Butanamine
Additional Names: 1-aminobutane
Molecular Formula: C4H11N
Molecular Weight: 73.14
Percent Composition: C 65.69%, H 15.16%, N 19.15%
Line Formula: CH3CH2CH2CH2NH2
Literature References: Prepn by reduction of butyraldoxime: Lycan et al., Org. Synth. coll. vol. II, 319 (1943). Usually manuf by catalytic alkylation of ammonia with butyl alcohol: Davies et al., US 2609394 (1952 to I.C.I.); Hindley, Fisher, US 2782237 (1957 to British Celanese); Lemon, Myerly, US 3022349 (1962 to Union Carbide); Shirley, Speranza, US 3128311 (1964 to Jefferson Chem.). Manuf from butyraldehyde and ammonia in the presence of Raney nickel: Brimer et al., US 2518659 (1950 to Eastman Kodak). Toxicity study: C. H. Hine et al., Arch. Environ. Health 1, 343 (1960).
Properties: Liquid, ammoniacal odor, bp 78°. mp -50°. d425 0.7327. nD20 1.4010. Flash pt, open cup: 30°F (-1°C). Misc with water, alcohol, ether. LD50 orally in rats: 500 mg/kg (Hine).
Melting point: mp -50°
Boiling point: bp 78°
Flash point: Flash pt, open cup: 30°F (-1°C)
Index of refraction: nD20 1.4010
Density: d425 0.7327
Toxicity data: LD50 orally in rats: 500 mg/kg (Hine)
CAUTION: Potential symptoms of overexposure are irritation of eyes, skin, nose and throat; headache; skin flushing and burns. See NIOSH Pocket Guide to Chemical Hazards (DHHS/NIOSH 97-140, 1997) p 40.
Use: Intermediate for pharmaceuticals, dyestuffs, rubber chemicals, emulsifying agents, insecticides, synthetic tanning agents.

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