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Vat Black 8

Vat Black 8 Structure
Vat Black 8
  • CAS No.2278-50-4
  • Chemical Name:Vat Black 8
  • CBNumber:CB7875128
  • Molecular Formula:C45H19N3O4
  • Formula Weight:665.66
  • MOL File:2278-50-4.mol
Vat Black 8 Property
Hazard and Precautionary Statements (GHS)
  • Symbol(GHS)
  • Signal word
  • Hazard statements
  • Precautionary statements

Vat Black 8 Chemical Properties,Usage,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
Preparation Products
Vat Black 8 Suppliers
Global(54)Suppliers
  • Supplier：
    AFINE CHEMICALS LIMITED
  • Tel：+86-0571-85134551
  • Email：sales@afinechem.com
  • Country：China
  • ProdList：15349
  • Advantage：58
Vat Black 8 Spectrum
2278-50-4, Vat Black 8Related Search:
  • Organics
  • 染料及颜料
  • 还原染料
  • 染料
  • C45H19N3O4
  • 还原灰 M
  • 还原灰 6BR
  • 士林灰M
  • 还原黑8
  • 2278-50-4
  • C.I.Vat Black 8:C.I.71000
  • Vat Black 8 ISO 9001：2015 REACH
  • 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
  • Paradone Grey M
  • Reduced ash M
  • VUSWQWZUVYOZAY-UHFFFAOYSA-N
  • Vat Black 8
  • Vat Grey S
  • Indanthren Grey MG
  • 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
  • Vat black 8 (C.I. 71000)
  • Youhaothrene Grey M.
  • Novatic Grey M
  • Nihonthrene Grey M
  • Mikethrene Grey M
  • Indanthren Grey M
  • Hibeithrene Grey M
  • Grey M
  • Dycosthren Grey M
  • 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

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