3762. Ethylamine

Nomenclature

CAS number: 75-04-7
Ethanamine; monoethylamine; aminoethane.
C2H7N; mol wt 45.08.
C 53.29%, H 15.65%, N 31.07%.
C2H5NH2.

Description and references

Prepn from ethyliodide + liq ammonia: Watt, Otto, J. Am. Chem. Soc. 69, 836 (1947); from ethanol + ammonia: Davies et al., US 2609394 (1952 to ICI); Lemon, Myerly, US 3022349 (1962 to Union Carbide). Toxicity study: H. F. Smyth et al., Arch. Ind. Hyg. Occup. Med. 10, 61 (1954).

Properties

Liquid; ammonia odor; strong alkaline reaction. d1515 0.689. bp 16.6°. Solidif -80°. Miscible with water, alcohol, ether. Flammable. Keep tightly closed and in cold place. LD50 orally in rats: 0.40 g/kg (Smyth).

Derivative

Hydrochloride.

Nomenclature

CAS number: 557-66-4
C2H7N.HCl; mol wt 81.54.
C 29.46%, H 9.89%, N 17.18%, Cl 43.48%.

Properties

Crystals from ethanol + water, mp 110°. d 1.22. Soluble in 0.4 part water; freely sol in alcohol; slightly sol in chloroform or acetone. Practically insol in ether. Keep well closed.

Derivative

Hydriodide.

Nomenclature

CAS number: 506-58-1
C2H7N.HI; mol wt 173.00.
C 13.89%, H 4.66%, N 8.10%, I 73.36%.

Properties

Hygroscopic crystals, mp 188°. d 2.10. Freely sol in water or alcohol. Practically insol in chloroform, ether. Keep well closed and protected from light.

Derivative

Oleate.

Nomenclature

CAS number: 39664-27-2
Ethanamine (Z)-9-octadecenoate; Etalate.
C2H7N.C18H34O2; mol wt 327.55.
C 73.34%, H 12.62%, N 4.28%, O 9.77%.

Properties

Commercial prepn is a 5% soln with 2% benzyl alcohol as anodyne.

Caution

Potential symptoms of overexposure are irritation of eyes, skin and respiratory system; skin burns; dermatitis. See NIOSH Pocket Guide to Chemical Hazards (DHHS/NIOSH 97-140, 1997) p 132.

Use

In resin chemistry; stabilizer for rubber latex; intermediate for dyestuffs, medicinals; in oil refining; in organic syntheses.

Therapeutic Category

Oleate as a sclerosing agent.

Keywords

Sclerosing Agent