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VAT BLACK 27

VAT BLACK 27 Structure
CAS No.
2379-81-9
Chemical Name:
VAT BLACK 27
Synonyms
NSC51543;NSC 51543;NSC-51543;C.I. 69005;C.I.VATBLACK27;Navinon Olive R;Indonon Olive R;Novatic Olive R;Vat Olive Green R;Cibanone Olive 2R
CBNumber:
CB1512241
Molecular Formula:
C42H23N3O6
Molecular Weight:
665.65
MOL File:
2379-81-9.mol
MSDS File:
SDS
Modify Date:
2024/3/19 15:37:51

VAT BLACK 27 Properties

Boiling point 685.54°C (rough estimate)
Density 1.537
refractive index 1.7800 (estimate)
pka 11.19±0.20(Predicted)
EPA Substance Registry System Benzamide, N,N'-(10,15,16,17-tetrahydro-5,10,15,17-tetraoxo-5H-dinaphtho[2,3-a:2',3'-i]carbazole-6,9-diyl)bis- (2379-81-9)

SAFETY

Risk and Safety Statements

Symbol(GHS) 
GHS07
Signal word  Warning
Hazard statements  H317
Precautionary statements  P261-P272-P280-P302+P352-P333+P313-P321-P363-P501

VAT BLACK 27 Chemical Properties,Uses,Production

Preparation

(a) N-(4-chloro-9,10-dioxo-9,10-dihydroanthracen-1-yl)benzamide?and N-(4-amino-9,10-dioxo-9,10-dihydroanthracen-1-yl)benzamide in the presence of copper condensation, then use Chlorosulfonic acid cyclization, (b) N-[4-(4-benzoylimino-9,10-dioxo-anthracen-1-ylidene)amino-9,10-dihydroxy-anthracen-1-yl]benzamide?in sulfuric acid central change, then the product oxidation.

Properties and Applications

brown light grey. Black powder. Soluble in 2 – Chlorophenol, slightly soluble in Chloroform and Pyridine , not soluble in Acetone, Etanol, Toluene and Xylene. In concentrated sulfuric acid for red, dilution after flocculent olive green precipitation. Alkaline reduction leuco for red brown; Acid reduction leuco for yellow brown. Mainly used in cotton fiber dyeing, suitable for suspension pad dyeing, also used for cotton yarn of the jig dyeing cotton and the impregnation, rarely used for printing. Can with other VAT dye spell dyed noise. Dyeing silk, affinity and levelness were good, also used for Fiber/cotton blended fabric dyeing.

Standard Ironing Fastness Chlorine bleach Light Fastness Mercerized Oxygen bleach Soaping
Fading Stain
ISO 3 4-5 7 4-5 4-5 4-5 4-5
AATCC 3 4-5 7 4 4-5

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N,N'-(10,15,16,17-tetrahydro-5,10,15,17-tetraoxo-5H-dinaphtho[2,3-a:2',3'-i]carbazole-6,9-diyl)bis(benzamide) Vat Olive Green R Benzamide, N,N-(10,15,16,17-tetrahydro-5,10,15,17-tetraoxo-5H-dinaphtho2,3-a:2,3-icarbazole-6,9-diyl)bis- C.I.VATBLACK27 Vat black 27 (C.I. 69005) Anthramar Olive R Cibanone Olive 2R Dycosthren Olive R Indonon Olive R Mikethrene Olive R Navinon Olive R Nihonthrene Olive R Novatic Olive R Ostanthren Olive R Trianthrene Olive R Youhaothrene Olive R. C.I. 69005 Indanthrene Olive R N,N'-(10,15,16,17-Tetrahydro-5,10,15,17-tetraoxo-5H-dinaphtho[2,3-a:2',3'-i]carbazole-6,9-diyl)bisbenzamide Calcoloid Olive R OXEFCDNMUKTKDV-UHFFFAOYSA-N VAT BLACK 27 ISO 9001:2015 REACH C.I.Vat Black 27:C.I.69005 NSC 51543 NSC51543 NSC-51543 2379-81-9 Organics