Sulfur Dyes Market - Global Industry Analysis, Trends and Forecast, 2014 – 2020

Sulfur dyes are high molecular weight compounds that are obtained from the reaction of sulfur or sulfides with phenols and amines. There are many colorants available in the market that contain sulfur however, only those dyes that are soluble in water after reacting with sodium sulphide in alkaline conditions are known to be sulfur dyes. The exact chemical structure of sulfur dyes are not known as the molecules of sulfur dyes are highly complex in nature. Amino derivatives, nitro, aminobiphenyls, nitrobenzenes, substituted naphthalenes, indophenols, azines and oxazine among others can be part of sulfur dyes.

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Sulfur is an integral part of polysulfide and chromophore side chains present in the sulfur dyes. Sulfur dyes are insoluble in water however, under alkaline conditions it gets easily converted into leuco forms. Sulfur dyes in leuco forms soluble in water and also exhibit higher affinity for fibers. Sulfur dyes are further converted into insoluble state after it is absorbed in the fibers. Sodium hydrogensulfyde and sodium sulfide are generally used in reducing the sulfur dyes. Sulfur dyes are inexpensive and thus are widely used in the dyeing industry. Most of the sulfur dyes manufactured are the sulfur black color which can be widely used in a range of fabrics. Common salt when used with sulfur dyes acts as a catalyst which facilitates the absorption process. Sulfur dyes find major applications in the textile industry.

Increasing population coupled with rising disposable income is expected to boost the overall growth of textile industry. Growing textile industry is expected to further augment the overall demand for sulfur dyes. Sulfur dyes are one of the most abundantly used dyes in the textile industry. Most of the sulfur dyes manufactured are used in the cotton textile industry. In addition, easy availability of sulfur dyes at cheap price makes it a suitable choice as an...