Laundry care composition comprising carboxylate dye

A laundry care composition comprising from about 0.00001 wt % to about 0.5 wt % thiophene azo carboxylate dye having the structure of Formula I:

• wherein D1 is a thiophene group;
• wherein D2 is a carbocylic phenylene;
• wherein the two N atoms shown in Formula I bound directly to the carbocyclic
• phenylene are in a para-substitution to one another;
• wherein R1 is independently selected from [(CH2CR′HO)x(CH2CR″HO)y((CH2)wNH)zQ], C1-12 alkyl, C6-10 aryl, or C7-C22 aryl alkyl;
• wherein R2 is [(CH2CR′HO)x′(CH2CR″HO)y′(CH2)w′NH)z′Q];
• wherein the sum of x+y+x′+y′ is in the range of from about 0 to about 50;
• wherein x is an integer from 0 to about 50;
• wherein x′ is an integer from 0 to about 50;
• wherein y is an integer from 0 to about 50;
• wherein y′ is an integer from 0 to about 50;
• wherein w and w′ are integers independently selected from about 2 and about 3;
• wherein z and z′ are integers independently selected from 0 and about 1;
• wherein R′ and R″ are each independently selected from the group consisting of H, C1-C4 alkyl, CH2O(CH2CH2O)a((CH2)bNH)dQ, phenyl and CH2OR5;
• wherein each R5 is independently selected from the group consisting of C1-C16 linear or branched alkyl, C6-C14 aryl, and C7-C16 arylalkyl;
• wherein each a is an integer independently selected from 0 to about 2;
• wherein each b is an integer independently selected from about 2 to about 3;
• wherein each d is an integer independently selected from 0 to about 1;
• wherein each Q is independently selected from the group consisting of H and Y;
• wherein each Y is an independently selected organic radical represented by Formula II:
• wherein independently for each Y group:
• M is H or a charge balancing cation;
• m is an integer selected from 0 to about 5;
• n is an integer selected from about 0 to about 5;
• the sum of m+n is in the range of from about 1 to about 10;
• and
• each R8 is independently selected from the group consisting of H, C3-18 or C4-C18 linear or branched alkyl, and C3-18 or C4-C18 linear or branched alkenyl;
• at least one R8 group is not H;
• wherein the sum of z+z′+d is at least 1;
• characterized in that the dye comprises at least one Q group that is Y and is either:
• (a) bound to a N atom in an R1 group wherein the index z is 1;
• or
• (b) bound to a N atom in an R2 group wherein the index z′ is 1;
• or
• (c) bound to a N atom in an R′ or R″ group wherein the index d is 1.