Reactive Red 4
Name:C.I.Reactive Red 4,C.I.18105
Molecular Structure: Single azo class
Molecular Formula:C32H19ClN8Na4O14S4
Molecular Weight: 995.21
CAS Registry Number:17681-50-4
Manufacturing Methods : 2,4,6-Trichloro-1,3,5-triazine and 2,4-Diaminobenzenesulfonic acid condensation, condensation products diazo, and 4-Formamido-5-hydroxynaphthalene-2,7-disulfonic acid coupling, and 2,4-Diaminobenzenesulfonic acid condensation.
Properties and Applications: colourful red blue light. Deep red powder, 25 ℃ in the solubility of water when for 50 g/L. After dyeing fabrics tonal into colourful red. Dye bath of metal ions make dyed fabric color slightly turned pale. Mainly for cotton and viscose fabrics or exhaust dyeing cold pad batch dyeing, not for neutral or basic white discharge.
Standard | Light Fastness | Oxygen bleaching | Persperation Fastness | Soaping | |||
Fading | Stain | Fading | Stain | Fading | Stain | ||
ISO | 4-5 | 4-5 | 4 | 4(5*100℃) | 4-5 |
List of Suppliers:
Chemictive Brilliant Red 7BH( Chemiequip Ltd )
Tulactiv Red H-7B( Atul Limited )
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