N-(1-Naphthyl)ethylenediamine
Title: N-(1-Naphthyl)ethylenediamine
CAS Registry Number: 551-09-7
CAS Name: N-1-Naphthalenyl-1,2-ethanediamine
Additional Names: 1-amino-2-(a-naphthylamino)ethane
Molecular Formula: C12H14N2
Molecular Weight: 186.25
Percent Composition: C 77.38%, H 7.58%, N 15.04%
Literature References: Prepn from a-naphthylamine and bromoethylphthalimide: Bratton, Marshall, J. Biol. Chem. 128, 537 (1939).
Properties: Straw-yellow, viscous liquid; bp9 204°; bp760 ~320° (dec); nD25 1.6648; d425 1.114. The soly in water is about 0.2 g in 100 ml at 25°; more sol in hot water. pH of satd aq soln: 10.5. Readily sol in common organic solvents except petr ether.
Boiling point: bp9 204°; bp760 ~320° (dec)
Index of refraction: nD25 1.6648
Density: d425 1.114
 
Derivative Type: Dihydrochloride
Molecular Formula: C12H14N2.2HCl
Molecular Weight: 259.17
Percent Composition: C 55.61%, H 6.22%, N 10.81%, Cl 27.36%
Properties: Long hexagonal prisms; mp 188-190°. Readily sol in 95% alcohol, dil hydrochloric acid, hot water; slightly sol in cold water, acetone, abs alc.
Melting point: mp 188-190°
 
Use: Dihydrochloride in determination of sulfanilamide in body fluids; also in determination of potassium, nitrites, and sulfates.

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