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Vat Black 8

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

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 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( 50)Suppliers

Supplier	Tel	Country	ProdList	Advantage	Inquiry
Vikram And Company	+91-2226285989 +91-9821517722	Maharashtra, India	197	58	Inquiry
CONIER CHEM AND PHARMA LIMITED	+8618523575427	China	49392	58	Inquiry
Hefei TNJ Chemical Industry Co.,Ltd.	+86-0551-65418671 +8618949823763	China	34571	58	Inquiry
Dideu Industries Group Limited	+86-29-89586680 +86-15129568250	China	24200	58	Inquiry
AFINE CHEMICALS LIMITED	+86-0571-85134551	China	15395	58	Inquiry
CD Chemical Group Limited	+8615986615575	China	20356	58	Inquiry
Tianjin Dongpeng Industry And Trade Co., Ltd	022-58089621,22,23,24,25,26,27,28	China	595	47	Inquiry
Shaanxi DIDU pharmaceutical and Chemical Co., Ltd	17691182729 18161915376	China	10011	58	Inquiry
Xuzhou Dayang Chemical Co., Ltd	0516-82188011 82188010	China	168	34	Inquiry
Alfa Chemistry	1-516-6625404	United States	9171	60	Inquiry

Supplier	Advantage
Vikram And Company	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
Tianjin Dongpeng Industry And Trade Co., Ltd	47
Shaanxi DIDU pharmaceutical and Chemical Co., Ltd	58
Xuzhou Dayang Chemical Co., Ltd	34
Alfa Chemistry	60

2278-50-4(Vat Black 8)Related Search:

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vat black 16 VAT BLACK 27 4-METHYL (1H)INDAZOLE 4-Benzoylbiphenyl 1,9-Pyrazoloanthrone

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N-(4-HYDROXYPHENYL)-2-NAPHTHYLAMINE, 97 INDANTHRENE BLACK BBN Vat Grass Green GN

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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