1,8-Naphthalenediamine
Title: 1,8-Naphthalenediamine
CAS Registry Number: 479-27-6
Additional Names: 1,8-Diaminonaphthalene
Molecular Formula: C10H10N2
Molecular Weight: 158.20
Percent Composition: C 75.92%, H 6.37%, N 17.71%
Literature References: Prepd by reducing 1,8-dinitronaphthalene with phosphorus triiodide: Meyer, Müller, Ber. 30, 775 (1897).
Properties: Crystals from dil alc, mp 66.5°. bp12 205°; nD99.4 1.6828; d499.4 1.1265. Sublimable. Turns brown on standing. Soluble in alcohol or ether; slightly sol in water or chloroform.
Melting point: mp 66.5°
Boiling point: bp12 205°
Index of refraction: nD99.4 1.6828
Density: d499.4 1.1265
 
Derivative Type: Dihydrochloride
Molecular Formula: C10H12Cl2N2
Molecular Weight: 231.12
Percent Composition: C 51.97%, H 5.23%, Cl 30.68%, N 12.12%
Properties: Leaflets, mp 280°.
Melting point: mp 280°
 
Use: Antioxidant for lubricating oils. Detection of selenium and nitrites.

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