gamma,gamma'-Dipyridyl
Title: g,-Dipyridyl
CAS Registry Number: 553-26-4
CAS Name: 4,4¢-Bipyridine
Additional Names: 4,4¢-dipyridyl
Molecular Formula: C10H8N2
Molecular Weight: 156.18
Percent Composition: C 76.90%, H 5.16%, N 17.94%
Literature References: Prepn: Dimroth, Frister, Ber. 55, 3695 (1922); Smith, J. Am. Chem. Soc. 46, 414 (1924).
 
Derivative Type: Dihydrate
Properties: Bitter needles from water, mp 73°. Anhydr form, mp 111-112°. bp760 304.8°. Freely sol in alc, benzene, chloroform, ether; slightly sol in water. Absorption spectrum: Krumholz, J. Am. Chem. Soc. 73, 3487 (1951).
Melting point: mp 73°; mp 111-112°
Boiling point: bp760 304.8°
 
Derivative Type: Dihydrochloride
Molecular Formula: C10H8N2.2HCl
Molecular Weight: 229.11
Percent Composition: C 52.42%, H 4.40%, N 12.23%, Cl 30.95%
Properties: Prisms from water. Soluble in water; practically insol in ether.

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