Reactive Red 241
Name:C.I.Reactive Red 241,C.I.18220
Molecular Structure: Single azo class
Molecular Formula:C31H20ClN7Na4O16S5
Molecular Weight: 1136.32
CAS Registry Number:89157-03-9
Manufacturing Methods : 2-Aminonaphthalene-1,5-disulfonic acid diazo, and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid coupling, and 2,4,6-Trichloro-1,3,5-triazine condensation, and then and registration, 2-(3-Aminophenylsulfonyl)ethyl hydrogen sulfate condensation.
Properties and Applications: colourful red blue light. Red powder blue. In the water solubility of good, suitable for after finishing of fabrics of anti-wrinkle dyeing.
Standard | Light Fastness | Oxygen bleaching | Persperation Fastness | Soaping | |||
Fading | Stain | Fading | Stain | Fading | Stain | ||
ISO | 5-6 | 5 | 5 | 5(95℃) | 5 |
List of Suppliers:
Reactive Red 3BN,Reactive Red 3BS
Apollofix Red SF-3B ( Taiheung Corp )
Best Reactive Brill Red F3B( Oriental Giant Dyes and Chemical Ind Corp )
Eniativo SupraRed 3BF( Enia Industries Quimicas S.A. )
Helaktyn Red E3BF(Boruta – Kolor)
Red 2BF(Hubei Hwalle Dyestuff Industry Co Ltd)
Rifafix Red 3BN(Rifa Industrial Co Ltd)
—C.I.Reactive Red 241: Molecular Formula:C31H20ClN7Na4O16S5
this should be a pentasodium salt: C31H19ClN7Na5O19S6
Molecular weight 1136.3 g/mol
—C.I.Reactive Red 239: should have the same structure as C.I.Reactive Red 241, just as the acid: C31H24ClN7O19S6 [1026.379 g/mol]