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Vat blue 8 (C.I. 73800)

Vat blue 8 (C.I. 73800) structure

CAS No.: 6424-71-1

Chemical Name:: Vat blue 8 (C.I. 73800)

Synonyms: C.I.73800;Vat Blue 8;C.I.Vat Blue 8;Vat blue 8 (C.I. 73800);C.I.Vat Blue 8:C.I.73800;Indanthren Printing Blue 2G;5-Chloro-2-[4-chloro-1-oxonaphthalen-2(1H)-ylidene]-7-methoxy-4-methyl-1H-indol-3(2H)-one

CBNumber:: CB41486010

Molecular Formula:: C20H13Cl2NO3

Molecular Weight:: 386.23

MDL Number:

MOL File:: 6424-71-1.mol

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Vat blue 8 (C.I. 73800) Properties

Boiling point	518.720±50.00 °C(Press: 760.00 Torr)(predicted)
Density	1.499±0.10 g/cm3(Temp: 25 °C; Press: 760 Torr)(predicted)
pka	-5.407±0.20(predicted)

Vat blue 8 (C.I. 73800) Chemical Properties, Uses, Production

Preparation

5-chloro-7-methoxy-4-methyl phenol indolenineand 4-Chloronaphthalene-1,2-dionecondensation, or 4-Methyl-5-chloro-7-methoxy-3-indolinone and 4-Chloro-1-naphthol condensation (BIOS 983).

Properties and Applications

blue to navy blue. In concentrated sulfuric acid to blue light green; In concentrated nitric acid for blue green to brown light yellow, In the basic insurance powder solution for yellow; In the acidic insurance powder solution for pale yellow.

Standard	Ironing Fastness	Chlorine bleach	Light Fastness	Mercerized	Oxygen bleach	Soaping
						Fading	Stain
ISO	4-5	4	5-6	4	4

Vat blue 8 (C.I. 73800) Preparation Products And Raw materials

Raw materials

4-Chloro-1,2-naphthalenedione 4-methyl-5-chloro-7-methoxy-3-indolinone

Preparation Products

disodium 5-chloro-2-[4-chloro-1-(sulphonatooxy)-2-naphthyl]-7-methoxy-4-methyl-1H-indol-3-yl sulphate

6424-71-1 (Vat blue 8 (C.I. 73800)) Related Search:

Vat Blue 64 Vat Blue 48 2-(5-oxobenzo[4,5]phenaleno[1,9-bc]thien-2(5H)-ylidenebenzo[4,5]phenaleno[1,9-bc]thiophen-5(2H)-one C.I. Vat Blue 51 Vat Blue 9

Vat Blue 6 Vat Blue 4B 13-chloro-17-isopropylanthra[2,1,9-mna]benz[6,7]indazolo[2,3,4-fgh]acridine-5,10-dione Dinaphtho[1',2'3':3,4:3'',2'',1'':9,10]perylo[1,12-efg][1,4]dioxocin-5,10-dione, dibromo-17,18-dihydro-

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Vat blue 8 (C.I. 73800) 5-Chloro-2-[4-chloro-1-oxonaphthalen-2(1H)-ylidene]-7-methoxy-4-methyl-1H-indol-3(2H)-one C.I.73800 C.I.Vat Blue 8 Indanthren Printing Blue 2G C.I.Vat Blue 8:C.I.73800 Vat Blue 8 6424-71-1