3-Trifluoromethyl-4-phenyl-pyrazolium azo dyestuffs

DETAILED DESCRIPTION I claim: 1.
A dyestuff of the formula: ##STR8## in which R.
sub.
1 is alkyl containing 1 to 4 carbon atoms, phenyl, chlorophenyl, bromophenyl, nitrophenyl, alkoxy (C.
sub.
1 -C.
sub.
2)-phenyl or alkyl (C.
sub.
1 -C.
sub.
4)-phenyl; R.
sub.
2 is alkyl containing 1 to 4 carbon atoms; R.
sub.
3 is hydrogen, chlorine or bromine; R.
sub.
4 is a radical of the formula: ##STR9## ##STR10## Y.
sub.
1 is hydrogen, methyl, ethyl, cyanoethyl or 2-hydroxypropyl; Y.
sub.
2 is hydrogen, methyl, isopropyl or phenyl; Y.
sub.
3 is hydrogen, phenyl, tolyl, nitrophenyl, chlorophenyl or methoxyphenyl; Z.
sub.
1 is hydrogen, chlorine, methyl, methoxy, ethoxy or acetylamino; Z.
sub.
2 is hydrogen, methyl or ethoxy; Z.
sub.
3 is methyl or ethyl; Z.
sub.
4 is methyl, ethyl, cyanoethyl, trifluoroethyl, diethylaminoethyl, succinimidoethyl or phenyl; and X.
sup.
.
crclbar.
is a monovalent anion.
2.
A dyestuff of the formula: ##STR11## in which R.
sub.
1 is alkyl containing 1 to 4 carbon atoms, phenyl, chlorophenyl, bromophenyl, nitrophenyl, alkoxy (C.
sub.
1 -C.
sub.
2)-phenyl or alkyl (C.
sub.
1 -C.
sub.
4)-phenyl; R.
sub.
2 is alkyl containing 1 to 4 carbon atoms; R.
sub.
3 is hydrogen, chlorine or bromine; R.
sub.
4 is 4-diemethylamino-phenyl, 4-diethylamino-2-methyl-phenyl, 4-diethylamino-2-methoxy-phenyl, 4-(N-ethyl-N-cyanoethylamino)-phenyl, 2-acetylamino-4-diethylamino-phenyl, 2,5-diethoxy-4-diethylamino-phenyl, 2,5-dimethyl-4-dimethylamino-phenyl, 4-[N-2-diethylaminoethyl)-N-ethylamino]-2-methyl-phenyl, 2-methyl-4-(N-trifluoroethyl-N-ethylamino)-phenyl, 2-methyl-4-(N-ethyl-N-succinimidoethylamino)-phenyl, 2-chloro-4-diethylamino-phenyl, 4-(N-ethyl-N-cyanoethylamino)-2-methyl-phenyl, 4-morpholino-phenyl, 4-(N-methyl-N-phenylamino)-phenyl, 4-(4-methoxy-anilino)-1-naphtyl, 3-indolyl, 2-methyl-3-indolyl, 2-phenyl-3-indolyl, 1-methyl-2-phenyl-3-indolyl, 1-ethyl-2-methyl-3-indolyl, 1-cyanoethyl-2-methyl-3-indolyl, 1-cyanoethyl-2-phenyl-3-indolyl, 2-isopropyl-3-indolyl, 1-(2-hydroxypropyl)-2-phenyl-3-indolyl, 3-methyl-5-hydroxy-4-pyrazolyl, 1-phenyl-3-methyl-5-hydroxy-4-pyrazolyl, 1-p-tolyl-3-methyl-5-hydroxy-4-pyrazolyl, 1-m-nitrophenyl-3-methyl-5-hydroxy-4-pyrazolyl, 1-p-chlorophenyl-3-methyl-5-hydroxy-4-pyrazolyl, or 1-p-methoxyphenyl-3-methyl-5-hydroxy-4-pyrazolyl, and X