| Title:  Tetramethyldiaminobutane CAS Registry Number:  111-51-3 CAS Name:  N,N,N¢,N¢-Tetramethyl-1,4-butanediamine Additional Names:  N,N,N¢,N¢-tetramethylputrescine Molecular Formula:  C8H20N2 Molecular Weight:  144.26 Percent Composition:  C 66.61%, H 13.97%, N 19.42% Line Formula:  (CH3)2N(CH2)4N(CH3)2 Literature References:  From root and herb of Hyoscyamus reticulatus L. and H. muticus L., Solanaceae:  Willstätter, Heuber, Ber. 40, 3869 (1907); Konowalowa, Magidson, Arch. Pharm. 266, 449 (1928).  Synthesis:  Lunsford et al., J. Org. Chem. 22, 1225 (1957); Solov'ev, Skoldinov, Zh. Obshch. Khim. 33, 1821 (1963), C.A. 59, 7360f (1963). Properties:  White crystals; penetrating odor and sharp, scratching taste.  bp 169°; bp28 78-80°; bp7 43°.  nD20 1.4280.  d20 0.7861. Volatile with steam.  Sol in water, alc, ether. Boiling point:  bp 169°; bp28 78-80°; bp7 43° Index of refraction:  nD20 1.4280 Density:  d20 0.7861   Derivative Type:  Dihydrochloride  Molecular Formula:  C8H20N2.2HCl Molecular Weight:  217.18 Percent Composition:  C 44.24%, H 10.21%, N 12.90%, Cl 32.65% Properties:  Crystals from alc, mp 273°. Melting point:  mp 273°   Derivative Type:  Dipicrate  Molecular Formula:  C8H20N2.2C6H3N3O7 Molecular Weight:  602.47 Percent Composition:  C 39.87%, H 4.35%, N 18.60%, O 37.18% Properties:  Needles from hot water, mp 203-205°. Melting point:  mp 203-205°   |