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Acid Blue 5

Name:C.I.Acid Blue 5,C.I.42052

Molecular Structure: triarylmethane class

C.I.Acid Blue 5,C.I.42052,CAS 3374-30-9,684.82,C37H36N2O7S2

C.I.Acid Blue 5,C.I.42052,CAS 3374-30-9,684.82,C37H36N2O7S2

Molecular Formula:C37H36N2O7S2

Molecular Weight: 684.82

CAS Registry Number:3374-30-9

Manufacturing Methods : 3-Hydroxybenzaldehyde (1 Moore) and N-benzyl-N-ethylbenzenamine (2 Moore) condensation, its product two stlfonation, oxidation, and finally as calcium salting out.

Properties and Applications: colourful green light blue. Soluble in water for green light blue, soluble in ethanol for light green. The strong sulfuric acid for light in the dark yellow; Diluted turquoise and the emergence of a precipitation. In water solution to join sodium hydroxide, low temperature when the same color, heat into deep purple.

Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 2-3 3-4 3-4 3 3
AATCC 3 3 2 2

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