Dyes, Stains and Tinctures

6-Fluoro-3-indoxyl-beta-D-galactopyranoside, also known as Rifapentine, is a highly effective antituberculosis drug from the class of rifamycins. It is specifically designed to combat tuberculosis infections by targeting the active compounds in Mycobacterium tuberculosis strains. Rifapentine works by inhibiting bacterial growth through its bactericidal activity. By binding to DNA-dependent RNA polymerase, it prevents transcription and replication, effectively stopping the spread of the infection. This powerful drug has been extensively studied and proven to be highly active against tuberculosis. Its efficacy has been demonstrated using advanced techniques such as transcription-quantitative polymerase chain reaction and patch-clamp technique on human erythrocytes. Moreover, Rifapentine undergoes various metabolic transformations, including hydrolysis by esterases or glucuronidases, oxidation by cytochrome P450 enzymes, reduction by glutathione reductase, or conjugation with glucur

Orange G is a quaternary ammonium salt that can be used for the treatment of wastewater. It has been shown to adsorb to the surface of bacterial cells and inhibit their growth by preventing enzyme activity. Orange G has also been shown to have carcinogenic potential in experimental models, although it is less potent than dimethylhydrazine or N-nitrosodiethylamine. Orange G has genotoxic effects on human serum, as seen by increased DNA fragmentation and chromosomal aberrations. The kinetic and redox properties of Orange G are still being investigated.

Please enquire for more information about C.I.Basic Yellow 29 including the price, delivery time and more detailed product information at the technical inquiry form on this page

Please enquire for more information about C.I.Sulphur Blue 13 including the price, delivery time and more detailed product information at the technical inquiry form on this page

Basic red 46 is a basic dye that can be used in the treatment of wastewater. It is cationic and has a high affinity for nitrogen atoms, which are often found in organic compounds. It has been shown to exhibit good stability while adsorbing to phosphorus pentoxide at pH > 10. Basic red 46 also has the ability to bind to polymerase chain reaction (PCR) products when present in an experimental model. The mechanism of this binding is still not well understood, but it may occur through adsorption or by chemical reactions with the DNA bases. Basic red 46's adsorption properties have been studied using surface methodology, which revealed that its kinetic energy was greater than that of other dyes.

Pigment Red 171 is a polyester that can be used as an additive to plastics. It has a molecular weight of about 400 and contains a hydroxyl group, which gives it thermal expansion properties. Pigment Red 171 also contains an aluminium skeleton that provides inorganic stability. This pigment has a basic group, which makes it soluble in organic solvents such as sulfides and alcohols. The pigment is resistant to light and radiation, which allows it to be used for protective coatings or sensors. Pigment Red 171 has functional groups for use in organic synthesis reactions.

Acid Orange 7 is a reactive dye that is used in wastewater treatment. It has an orange color and has been shown to adsorb to cell nuclei and human serum. Acid Orange 7 reacts with the reaction solution to form a decolorized product, which can be seen using synchronous fluorescence. The Langmuir adsorption isotherm for this dye shows that the optimum concentration of Acid Orange 7 is 0.5%. Acid Orange 7 has carcinogenic potential due to its ability to bind DNA, which may lead to mutations in cells. Electrochemical impedance spectroscopy studies have shown that this dye binds covalently with proteins, which may also result in mutagenic effects.

C.I. Acid Orange 127 is a synthetic dyestuff that is used in the textile industry as a reactive dye and as a colorant in paints, plastics, paper, leather, and textiles. It has also been used as an indicator for alkali metals. This compound reacts with an ethyl group to form a quaternary ammonium salt. The dyebath is often made of water and sodium hydroxide or potassium hydroxide at temperatures between 120-140 degrees Celsius. C.I. Acid Orange 127 is characterized by its ability to produce multicolour effects when treated with amines or carboxylates. The reactive properties of this compound make it suitable for use in dyeing wool and other animal fibres where the presence of fatty acids will increase the intensity of the colouration by C.I. Acid Orange 127.br>br>