Sulfur dyes are the most commonly used dyes manufactured for cotton in terms of volume. They are inexpensive, generally have good wash-fastness, and are...

two categories: indigo dyeing (Indigo dye is a unique shade of blue) and sulfur dyeing (Sulfur dye is a synthetic organic dye and it is formed by sulphurisation...

method of dyeing cotton is declining in importance due to the toxic nature of the chemicals used. Sulfur dyes are inexpensive dyes used to dye cotton with...

Leuco dyes form the basis of thermal printer papers and certain pH indicators. The most common example is in applying sulfur dyes and vat dyes, with indigo...

(nitrogen-bridged), xanthenes (oxygen-bridged), and thioxanthenes (sulfur-bridged). The amine-containing dyes are often prepared from Michler's ketone or its diethylamino...

Indigo dye is an organic compound with a distinctive blue color. Indigo is a natural dye extracted from the leaves of some plants of the Indigofera genus...

synthetic vat and sulfur dyes before being applied. This renders the dye soluble so that it can be absorbed by the fiber since the insoluble dye has very little...

Sulfur dioxide (IUPAC-recommended spelling) or sulphur dioxide (traditional Commonwealth English) is the chemical compound with the formula SO 2. It is...

is not dehydrated by sulfuric acid but, to the contrary, dehydrates sulfuric acid to sulfur trioxide. Upon addition of sulfuric acid to water, a considerable...

Textile dyeing plants generate wastewater that contains synthetic (e.g., reactive dyes, acid dyes, basic dyes, disperse dyes, vat dyes, sulfur dyes, mordant...

forces and hydrogen bonding dye the fibers. Metallized Dyes: metal complexes forms between the dye and fiber. Sulfur Dyes: dye is reduced and then oxidizes...

dimethyl ether with sulfur trioxide: CH3OCH3 + SO3 → (CH3)2SO4 Sulfate esters are used as detergents, dyes, and pharmaceuticals. Sulfur trioxide is generated...

oxidation of sodium sulfite with sulfur. It is also produced from waste sodium sulfide from the manufacture of sulfur dyes. This salt can also be prepared...

heated with sulfur for eighteen hours at 180–190 °C and then for a further six hours at 200–220 °C Dehydrothiotoluidine is not itself a dye-stuff, but...

Sulfur tetrafluoride is a chemical compound with the formula SF4. It is a colorless corrosive gas that releases dangerous hydrogen fluoride gas upon exposure...

reducing agent in some industrial dyeing processes. In the case of sulfur dyes and vat dyes, an otherwise water-insoluble dye can be reduced into its water-soluble...

arrangement of the nitrogen and sulfur atoms in the ring. Derivatives of thiazine, often referred to as thiazines, are used for dyes, tranquilizers and insecticides...

Fuel dyes are dyes added to fuels, as in some countries it is required by law to dye a low-tax fuel to deter its use in applications intended for higher-taxed...

Natural dyes are dyes or colorants derived from plants, invertebrates, or minerals. The majority of natural dyes are vegetable dyes from plant sources—roots...

Mustard gas or sulfur mustard are names commonly used for the organosulfur chemical compound bis(2-chloroethyl) sulfide, which has the chemical structure...

chemicals, sulfur dyes and other chemical compounds. It is used in other applications including ore flotation, oil recovery, making dyes, and detergent...

during the reaction. Other uses of S2Cl2 include the manufacture of sulfur dyes, insecticides, and synthetic rubbers. It is also used in cold vulcanization...

usually containing sulfur dioxide and calcium chloride to bleach the fruit, then soaked in a suspension of food coloring (common red food dye is FD&C Red 40)...

standard for diesel fuel is EN 590. Ultra-low-sulfur diesel (ULSD) is a diesel fuel with substantially lowered sulfur contents. As of 2016, almost all of the...

synthesis. Its main use is in the manufacture of precursors to polyurethane, dyes, and other industrial chemicals. Like most volatile amines, it has the odor...

Cassella in 1899, and played a key role in the company's development of sulfur dyes. He received power of procuration in 1918 and became deputy director...

used to dye polyester fabric. A synthetic dye, thioindigo is related to the plant-derived dye indigo, replacing two NH groups with two sulfur atoms to...

species of flowering plant in the sunflower family Asteraceae, also known as sulfur cosmos and yellow cosmos. It is native to Mexico, Central America, and northern...

industry, in fact many of today's largest chemical producers started as dye-works in the late 19th or early 20th centuries, including Bayer AG(1863)...

starch with sulfuric acid 1834: Runge obtains pyrrole ("fiery oil") by dry distillation of bones 1906: Friedlander synthesizes indigo dye, allowing synthetic...