Beta-phenoxyethylamines and their use for the preparation of dyestuffs

A .beta.-phenoxyethylamine of the formula ##STR33## wherein Z is NH.sub.2 or NO.sub.2,

• M is H or an alkali metal cation, alkaline earth metal cation or ammonium cation,
• R is H or a C.sub.1 -C.sub.4 -alkyl, C.sub.2 -C.sub.4 -alkenyl or C.sub.2 -C.sub.4 -alkinyl radical each of which is optionally substituted by OH, Cl, Br, CN, CO.sub.2 H, CO.sub.2 CH.sub.3, CO.sub.2 C.sub.2 H.sub.5, CONH.sub.2, CON(CH.sub.3).sub.2, SO.sub.3 H, OSO.sub.3 H or C.sub.1 -C.sub.4 -alkoxy, or a phenyl or benzyl radical each of which is optionally substituted by halogen, C.sub.1 -C.sub.4 -alkyl, CO.sub.2 H or SO.sub.3 H,
• R.sup.1 and R.sup.2 each independently is H, C.sub.1 -C.sub.4 -alkyl, phenyl or benzyl, or together they complete a cycloaliphatic ring,
• X is SO.sub.2 and
• Y is SO.sub.3 H.