| Title:  Michler's Base CAS Registry Number:  101-61-1 CAS Name:  4,4¢-Methylenebis(N,N-dimethylbenzenamine) Additional Names:  4,4¢-methylenebis(N,N-dimethylaniline);  bis(p-dimethylaminophenyl)methane;  4,4¢-tetramethyldiaminodiphenylmethane;  tetra-base;  Arnold's base Molecular Formula:  C17H22N2 Molecular Weight:  254.37 Percent Composition:  C 80.27%, H 8.72%, N 11.01% Literature References:  Prepd by heating dimethylaniline with 40% formaldehyde and concd HCl:  Mekel, DE 1026322 (1958 to BASF); Hey, Sanderson, J. Chem. Soc. 1960, 3203; from dimethylaniline + diacetylperoxide:  Horner et al., Ann. 626, 1 (1959); from dimethylaniline + tert-butylperbenzoate:  Sosnovsky, Yang, J. Org. Chem. 25, 899 (1960). Properties:  Lustrous leaflets, mp 90-91°.  Sublimes without decompn.  bp 390°; bp0.1 155-157°.  Insol in water.  Sol in benzene, ether, carbon disulfide, acids; slightly sol in cold alcohol; more sol in hot alcohol. Melting point:  mp 90-91° Boiling point:  bp 390°; bp0.1 155-157° CAUTION:  This substance is reasonably anticipated to be a human carcinogen:  Report on Carcinogens, Eleventh Edition (PB2005-104914, 2004) p III-168. Use:  Has been used in manufacture of dyes.  As reagent for lead:  Dtsch. Med. Wochenschr. 52, 1855 (1926).  |