摘要:
An aqueous reactive dye composition is disclosed. The aqueous reactive dye composition has improved storage stability and contains a water-soluble reactive dye and a chelating agent. The chelating agent is present in a sufficient concentration to maintain the pH of the aqueous reactive dye composition in the range of about 3.0 to about 7.0 and, preferably, about 5.0 to about 6.5. Desirable chelating agents are dicarboxylic acids, such as succinic acid, or amino carboxylates, such as nitrilotriacetic acid. A method of stabilizing an aqueous reactive dye composition is disclosed and includes the step of dissolving a polycarboxylic acid or an amino carboxylate in an aqueous solution of a water-soluble reactive dye in a sufficient concentration to stabilize the pH of the composition.