Reactive Red 239
Name:C.I.Reactive Red 239
Molecular Structure: Single azo class
C.I.Reactive Red 239,CAS 89157-03-9,1136.32,C31H19ClN7Na5O19S6,Reactive Red 3BS,Reactive brilliant Red 3BS
Molecular Formula:C31H19ClN7Na5O19S6
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 acidcoupling, and 2,4,6-Trichloro-1,3,5-triazine and 2-Aminobenzenesulfonic acid condensation.
Properties and Applications: colourful red blue light.
| Standard | Light Fastness | Oxygen bleaching | Persperation Fastness | Soaping | |||
| Fading | Stain | Fading | Stain | Fading | Stain | ||
| ISO | 4-5 | 5 | 4 | 4 | 4-5(95℃) | 5 | |
List of Suppliers:
Reactive Red 3BS,Reactive brilliant Red 3BS
Shanghai Yongqing industrial Co.Ltd.
Indofix Red ME4BI( Indo Colchem Ltd )
Reactive Red(Aakash Chemicals & Dyestuffs Inc)
Reactron Red 3BS (Amar Dye Chem Ltd)
Remazol Brilliant Red 3BS ( Hoechst A G )
[…] C.I.Reactive Red 239 […]
Please, can you explain me the meaning of the number of the dye name? For example, “reactive red 239”, what is the meaniing of “239”?
Many thanks!!
The structure in the figure is incorrect. Reactive Red 239 should have 31 Carbons. It has the same structure as Reactive Red 241, just as the acid.