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Vat Black 8

Vat Black 8 structure

CAS No.: 2278-50-4

Chemical Name:: Vat Black 8

Synonyms: Grey M;C.I.71000;Vat Grey S;Vat Black 8;Reduced ash M;Novatic Grey M;Paradone Grey M;Dycosthren Grey M;Mikethrene Grey M;Indanthren Grey M

CBNumber:: CB7875128

Molecular Formula:: C45H19N3O4

Molecular Weight:: 665.66

MDL Number:: MFCD01939424

MOL File:: 2278-50-4.mol

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Vat Black 8 Properties

Boiling point	685.55°C (rough estimate)
Density	1.2394 (rough estimate)
refractive index	1.7790 (estimate)
pka	13.18±0.20(Predicted)
EPA Substance Registry System	1H-Benz[6,7]indazolo[2,3,4-fgh]naphth[2'',3'':6',7']indolo[3',2':5,6]anthra[2,1,9-mna]acridine-2,7,10,15-tetrone (2278-50-4)

Vat Black 8 price

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
American Custom Chemicals Corporation	DYE0002145	VAT BLACK-8 95.00%	2278-50-4	5MG	$504.93	2021-12-16	Buy

Product number	Packaging	Price	Buy
DYE0002145	5MG	$504.93	Buy

Vat Black 8 Chemical Properties,Uses,Production

Preparation

3,9-Dibromo-7H-benzo[de]anthracen-7-one, 3H-naphtho[2,3-f]indazol-3-one and 1-Aminoanthracene-9,10-dione in Potassium hydroxide under the existence of condensation, closed loop.

Safety Profile

Mildly toxic by intraperitoneal and ingestion routes. An eye irritant.When heated to decomposition it emits toxic fumes of NOx.

Properties and Applications

blue light grey. Black powder. Insoluble in water, Acetone, Etanol, Toluene and Chloroform, slightly soluble in 2 – Chlorophenol, Pyridine . In concentrated sulfuric acid to have yellow green: alkaline reduction leuco for blue light green; Acid reduction leuco for red brown: mainly used in the cotton fabric jig dyeing, dyeing and suspended pad dyeing, also used for Fiber/cotton, polyester-cotton blended fabric two bath set of dye dyeing. Suitable for suspension pad dyeing deep, shallow gray, and can spell dye all kinds of noise. Its main leuco dye yarn, can also be used to viscose and silk dyeing.

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

Vat Black 8 Preparation Products And Raw materials

Raw materials

Sodium hypochlorite Diffusing agent Butylnaphtalenesulfonic Acid Sodium Salt INDUSTRIAL SALT Sodium sulfite

Sodium bisulfite Dibromo Chlorosulfonic acid 1,9-Pyrazoloanthrone Benzanthrone

Copper(I) chloride Government regulation Sodium hydroxide 1,4-Dibromobenzene 1-Aminoanthraquinone

1,9-Pyrazoloanthrone 3,9-Dibromobenzanthrone 1-Aminoanthraquinone

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Preparation Products

Vat Black 8 Suppliers

Global( 51)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Hubei Jusheng Technology Co.,Ltd.	18871490254	linda@hubeijusheng.com	CHINA	28172	58
Hubei xin bonus chemical co. LTD	86-13657291602	linda@hubeijusheng.com	CHINA	22963	58
CONIER CHEM AND PHARMA LIMITED	+8618523575427	sales@conier.com	China	49374	58
Hefei TNJ Chemical Industry Co.,Ltd.	+86-0551-65418671 +8618949823763	sales@tnjchem.com	China	34553	58
Dideu Industries Group Limited	+86-29-89586680 +86-15129568250	1026@dideu.com	China	22883	58
AFINE CHEMICALS LIMITED	+86-0571-85134551	sales@afinechem.com	China	15354	58
CD Chemical Group Limited	+8615986615575	info@codchem.com	China	20342	58
Winchem Industrial Co. Ltd	0574-83851061	info@win-chemical.com	China	500	55
China Langchem Inc.	0086-21-58956006		China	7811	57
Hangzhou Yuhao Chemical Technology Co., Ltd	0571-82693216	info@yuhaochemical.com	China	9387	52

Supplier	Advantage
Hubei Jusheng Technology Co.,Ltd.	58
Hubei xin bonus chemical co. LTD	58
CONIER CHEM AND PHARMA LIMITED	58
Hefei TNJ Chemical Industry Co.,Ltd.	58
Dideu Industries Group Limited	58
AFINE CHEMICALS LIMITED	58
CD Chemical Group Limited	58
Winchem Industrial Co. Ltd	55
China Langchem Inc.	57
Hangzhou Yuhao Chemical Technology Co., Ltd	52

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1H-benz[6,7]indazole[2,3,4-fgh]naphth[2'',3'':6',7']indolo[3',2':5,6]anthra[2,1,9-mna]acridine-2,7,10,15-tetrone Dycosthren Grey M Grey M Hibeithrene Grey M Indanthren Grey M Mikethrene Grey M Nihonthrene Grey M Novatic Grey M Youhaothrene Grey M. Vat black 8 (C.I. 71000) 1H-Benz[6,7]indazolo[2,3, 4-fgh]naphth[2'',3'':6',7']indolo[3',2':5,6]anthra [2,1,9-mna]acridine-2,7,10,15-tetrone C.I.71000 Indanthren Grey MG Vat Grey S Vat Black 8 VUSWQWZUVYOZAY-UHFFFAOYSA-N Reduced ash M Paradone Grey M 5H-Benz[6,7]indazolo[2,3,4-fgh]naphth[2'',3'':6',7']indolo[3',2':5,6]anthra[2,1,9-mna]acridine-5,8,13,25(24H)-tetrone Vat Black 8 ISO 9001：2015 REACH C.I.Vat Black 8:C.I.71000 1H-benz[6,7]indazole[2,3,4-fgh]naphth[2'',3'':6',7']indolo[3',2':5,6]anthra[2,1,9-mna]acridine-2,7,10,15-tetrone 2278-50-4 C45H19N3O4 Organics