Title: Diethylamine
CAS Registry Number: 109-89-7
CAS Name: N-Ethylethanamine
Molecular Formula: C4H11N
Molecular Weight: 73.14
Percent Composition: C 65.69%, H 15.16%, N 19.15%
Literature References: Prepn from ethyl iodide and NH3 with separation of mono-, di-, and triethylamines formed: Watt, Otto, J. Am. Chem. Soc. 69, 836 (1947). Manuf from ethanol and NH3, obtained along with mono- and triethylamines: Davies et al., US 2609394 (1952 to ICI); Lemon, Myerly, US 3022349 (1962 to Union Carbide). Toxicity data: Smyth et al., Arch. Ind. Hyg. Occup. Med. 4, 119 (1951).
Properties: Flammable, strongly alkaline liq, bp 55.5°. mp -50°. d420 0.7074. nD20 1.3864. Flash pt <20°F. Forms a hydrate, B2.H2O, mp -19°. Miscible with water, alc. It is usually supplied as a soln. Keep well closed. LD50 orally in rats: 540 mg/kg (Smyth).
Melting point: mp -50°; mp -19°
Boiling point: bp 55.5°
Flash point: Flash pt <20°F
Index of refraction: nD20 1.3864
Density: d420 0.7074
Toxicity data: LD50 orally in rats: 540 mg/kg (Smyth)
Derivative Type: Hydrochloride
Molecular Formula: C4H11N.HCl
Molecular Weight: 109.60
Percent Composition: C 43.83%, H 11.04%, N 12.78%, Cl 32.35%
Properties: Crystals from alcohol + ether, mp 226°. Hygroscopic. bp 320-330°. d421 1.048. Sol in water, alcohol, chloroform. Practically insol in ether.
Melting point: mp 226°
Boiling point: bp 320-330°
Density: d421 1.048
CAUTION: Potential symptoms of overexposure are eye, skin and respiratory system irritation. See NIOSH Pocket Guide to Chemical Hazards (DHHS/NIOSH 97-140, 1997) p 106. See also Patty's Industrial Hygiene and Toxicology vol. 2B, G. D. Clayton, F. E. Clayton, Eds. (Wiley-Interscience, New York, 3rd ed., 1981) p 3149.
Use: In the rubber and petroleum industry; in flotation agents; in resins; dyes, pharmaceuticals. |