2,2'-[(9,10-Dihydro-5-hydroxy-9,10-dioxoanthracene-1,4-diyl)diimino]bis[5-methylbenzenesulfonic acid sodium] salt

CAS NO.：6424-97-1
Empirical Formula: C28H22N2NaO9S2+
Molecular Weight: 617.60205
SAFETY DATA SHEET (SDS)

What is 2,2'-[(9,10-Dihydro-5-hydroxy-9,10-dioxoanthracene-1,4-diyl)diimino]bis[5-methylbenzenesulfonic acid sodium] salt?

Preparation

1,4,5-Trihydroxyanthraquinone and p-Methylaniline condensation, its product (C.I. 62545) in the presence of boric acid with 100% sulphonated sulfuric acid, and then into sodium salt.

Properties and Applications

green. Slightly soluble in alcohol. In the dark for the strong sulfuric acid, diluted to green.

Standard	Light Fastness	Soaping		Persperation Fastness	Oxygen bleaching		Fastness to seawater
Standard	Light Fastness	Fading	Stain	Persperation Fastness	Fading	Stain	Fading	Stain
ISO	6	3	4-5	4	2-3		4	4-5

Safety information for 2,2'-[(9,10-Dihydro-5-hydroxy-9,10-dioxoanthracene-1,4-diyl)diimino]bis[5-methylbenzenesulfonic acid sodium] salt

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