| Identification | Back Directory | [Name]
Vat Black 8 | [CAS]
2278-50-4 | [Synonyms]
Grey M C.I.71000 Vat Grey S Vat Black 8 Reduced ash M Novatic Grey M Paradone Grey M Indanthren Grey M Mikethrene Grey M Dycosthren Grey M Hibeithrene Grey M Nihonthrene Grey M Indanthren Grey MG Youhaothrene Grey M. Vat black 8 (C.I. 71000) C.I.Vat Black 8:C.I.71000 VUSWQWZUVYOZAY-UHFFFAOYSA-N Vat Black 8 ISO 9001:2015 REACH 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 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 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 | [EINECS(EC#)]
218-906-1 | [Molecular Formula]
C45H19N3O4 | [MDL Number]
MFCD01939424 | [MOL File]
2278-50-4.mol | [Molecular Weight]
665.662 |
| Chemical Properties | Back Directory | [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) |
| Safety Data | Back Directory | [TSCA ]
TSCA listed | [Safety Profile]
Mildly toxic by
intraperitoneal and ingestion routes. An eye
irritant.When heated to decomposition it
emits toxic fumes of NOx. |
| Hazard Information | Back Directory | [Chemical Properties]
Black powder. Insoluble in water, acetone, ethanol, chloroform, toluene, slightly soluble in o-chlorophenol, pyridine. Yellowish green in concentrated sulfuric acid, produces black precipitate after dilution. Bluish green in alkaline solution of insurance powder, reddish brown in acidic solution. | [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. | [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
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Stain
|
|
ISO
|
4
|
4-5
|
7
|
4
|
5
|
4
|
5
|
|
|
| Company Name: |
Vikram And Company
|
| Tel: |
+91-2226285989 +91-9821517722 |
| Website: |
www.vikramco.com |
| Company Name: |
China Langchem Inc.
|
| Tel: |
0086-21-58956006 |
| Website: |
www.chemicalbook.com/ShowSupplierProductsList19141/0_EN.htm |
| Company Name: |
Alfa Chemistry
|
| Tel: |
1-516-6625404 |
| Website: |
https://www.alfa-chemistry.com |
|