Anthra[9,1,2-cde]benzo[rst]pentaphene-5,10-diol, 16,17-diethoxy-, bis(hydrogen sulfate), disodium salt

CAS NO.：10126-86-0
Empirical Formula: C38H27NaO10S2
Molecular Weight: 730.73
EINECS: 600-180-6

What is Anthra[9,1,2-cde]benzo[rst]pentaphene-5,10-diol, 16,17-diethoxy-, bis(hydrogen sulfate), disodium salt?

Preparation

(a) in the presence of Pyridine , with Chlorosulfonic acid treatment ?C.I. Vat Green 4 leuco; (b) in the Pyridine with metal (such as copper, iron, zinc, etc) and Sulfur trioxide source (such as Sulfur trioxide, Chlorosulfonic acid or Methyl chlorosulfonate, etc.) processing ?C.I. Vat Green 4. The above two kinds of situation after alkaline, filter out insolubles, remove Pyridine and salting out.

Properties and Applications

brilliant blue light green.

Standard	Ironing Fastness	Chlorine bleach	Light Fastness	Mercerized	Oxygen bleach	Soaping
						Fading	Stain
ISO	4	4	7	4	4	4-5	5

Safety information for Anthra[9,1,2-cde]benzo[rst]pentaphene-5,10-diol, 16,17-diethoxy-, bis(hydrogen sulfate), disodium salt

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