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Vat Brown 3

CAS No.
131-92-0
Chemical Name:
Vat Brown 3
Synonyms
Vatbrown;C.I. 69015;Vat Brown 3;Vat Brown R;Novatic Brown R;C.I. VAT BROWN 3;Ahcovat Brown AR;Atic Vat Brown R;Anthramar Brown R;Benzadone Brown R
CBNumber:
CB8512381
Molecular Formula:
C42H23N3O6
Molecular Weight:
665.659
MDL Number:
MFCD00815906
MOL File:
131-92-0.mol
Last updated:2024-03-19 15:37:51

Vat Brown 3 Properties

Boiling point 685.54°C (rough estimate)
Density 1.537
refractive index 1.7800 (estimate)
pka 11.26±0.20(Predicted)
Water Solubility 8.337mg/L at 20℃
LogP 4.1 at 20℃
FDA UNII 9Z11GKO85B
EPA Substance Registry System C.I. Vat Brown 3 (131-92-0)

SAFETY

Risk and Safety Statements

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

Vat Brown 3 Chemical Properties,Uses,Production

Preparation

N-(5-chloro-9,10-dioxo-9,10-dihydroanthracen-1-yl)benzamide and N-(4-amino-9,10-dioxo-9,10-dihydroanthracen-1-yl)benzamide Condensation in the presence of copper, and then cyclized with sulfuric acid.

General Description

Odorless brown to dark brown powder.

Air & Water Reactions

Insoluble in water.

Reactivity Profile

Vat Brown 3 is incompatible with oxidizing and reducing agents. .

Fire Hazard

Flash point data for Vat Brown 3 are not available. Vat Brown 3 is probably combustible.

Flammability and Explosibility

Not classified

Synthesis

4,5'-Bisbenzoylamino-1,1'-dianthrimide- 2,2'carbazole , Indanthren Brown R, is prepared from 4,5'-bisbenzoylamino- 1,1'-dianthrimide by ring closure in concentrated sulfuric acid .

Properties and Applications

brown. Deep red powder. Insoluble in water and Etanol, slightly soluble in Xylene for bordeaux red solution. In concentrated sulfuric acid for dark wine red, dilution to red light brown, flocks. Alkaline reduction leuco body for the color red; Acid reduction leuco for yellow brown. Is light brittle dye. To cotton affinity is poorer, less used in cotton dyeing. Suitable for direct printing, resist printing and aniline black color resist, also suitable for shallow, color of discharge. Suitable for cotton knits dyeing, more suitable for silk printing. But printing and dyeing fabric in sunlight exposure easy appear fiber brittle damage phenomenon. Can be used for viscose and wool dyeing, can also be processed into organic pigment.

Standard Ironing Fastness Chlorine bleach Light Fastness Mercerized Oxygen bleach Soaping
Fading Stain
ISO 5 5 7 4-5 4-5 5 5
AATCC 5 5 7-8 4-5 4-5

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C.I. VAT BROWN 3 Vatbrown Benzamide, N,N-(10,15,16,17-tetrahydro-5,10,15,17-tetraoxo-5H-dinaphtho2,3-a:2,3-icarbazole-4,9-diyl)bis- Calcoloid Brown R. Vat brown 3 (C.I. 69015) Vat Brown R C.I. 69015 C.I. Pigment Brown 28 N,N'-(10,15,16,17-Tetrahydro-5,10,15,17-tetraoxo-5H-dinaphtho[2,3-a:2',3'-i]carbazole-4,9-diyl)bis(benzamide) Vat Brown 3 Anthramar Brown R Kenanthrene Brown R Mikethrene Brown R Nihonthrene Brown R Novatic Brown R Sandothrene Liquid Brown NBG Trianthrene Brown R Youhaothrene Brown R-Mcolloisol 8055. Ahcovat Brown AR Ahcovat Brown AR BN Amanthrene Brown R Atic Vat Brown R Benzadone Brown R Indanthrene Brown R AAKMSGQPNUGLAZ-UHFFFAOYSA-N Vat Brown 3 ISO 9001:2015 REACH C.I.Vat Brown 3:C.I.69015 131-92-0 C42H23N3O6 Organics Dyes and Pigments