Reactive Red H-3B
Textile Dyestuffs
C.I.Reactive Red 120
Molecular Structure: Double azo class
Molecular Formula:C44H24Cl2N14Na6O20S6
Molecular Weight: 1469.98
CAS Registry Number:61951-82-4
Manufacturing Methods : 2-Aminobenzenesulfonic acid diazo, and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid coupling, and 2,4,6-Trichloro-1,3,5-triazine first condensation, its product (2 Moore) and Benzene-1,4-diamine second condensation.
Properties and Applications: colourful red blue light. Red uniform powder. Soluble in water, 50 ℃ in the water when the solubility of more than 140 g/L. Dyeing color for colourful blu-ray red, dyeing in light of iron ion slightly to yellow(category 4); Copper ions in turn light blue (level 2). Compatibility is high, the reaction of the medium, and easy to wash the gender is good. Mainly used for cotton or viscose fiber volume dye and disseminated, also can be used for direct printing, also suitable for polyester/cotton, polyester/stick blended dyeing.
| Standard | Light Fastness | Oxygen bleaching | Persperation Fastness | Soaping | |||
| Fading | Stain | Fading | Stain | Fading | Stain | ||
| ISO | 5 | 4 | 4 | 4-5(Alkali) | 5 | 5 | 5 |