Reactive Red(p) H8B
Textile Dyestuffs
C.I.Reactive Red 31
Molecular Structure: Single azo class
Molecular Formula:C30H15ClN7Na5O15S4
Molecular Weight: 992.14
CAS Registry Number:12237-00-2
Manufacturing Methods : 2-Aminonaphthalene-1-sulfonic acid diazo, and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid coupling, and 2,4,6-Trichloro-1,3,5-triazine condensation, again with 2-Amino-5-sulfobenzoic acidcondensation.
Properties and Applications: blu-ray red
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Standard
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Light Fastness | Oxygen bleaching | Persperation Fastness | Soaping | |||
| Fading | Stain | Fading | Stain | Fading | Stain | ||
| ISO | 4-5 | 4 | 4-5 | 4 | 3-4 | 4-5 | 5 |