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Acid Red 25

Name:C.I.Acid Red 25,C.I.16050

Molecular Structure: Single azo class

C.I.Acid Red 25,C.I.16050,CAS 5858-93-5,502.43,C20H12N2Na2O7S2,Scarlet 3BX

C.I.Acid Red 25,C.I.16050,CAS 5858-93-5,502.43,C20H12N2Na2O7S2,Scarlet 3BX

Molecular Formula:C20H12N2Na2O7S2

Molecular Weight: 502.43

CAS Registry Number:5858-93-5

Manufacturing Methods : 4-Aminonaphthalene-1-sulfonic acid diazo, and 7-Hydroxynaphthalene-1-sulfonic acid coupling.

Properties and Applications:  red. Soluble in water for red, and adequate soluble in alcohol. The strong sulfuric acid to red light purple, diluted in red. In aqueous solution to join strong hydrochloric acid for red; Add thick sodium hydroxide solution for yellow brown.

Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 3-4 2 1 2
AATCC 3 1 1 1

List of Suppliers:

Croceine Scarlet 3BX ( Frado )

Crooeine Scarlet 3BX(Classic Dyestuffs Inc)


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