ChemicalBook > CAS DataBase List > Vat Brown 3

Vat Brown 3

Product Name
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
Formula Weight
665.659
MOL File
131-92-0.mol
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Vat Brown 3 Property

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℃
EPA Substance Registry System
C.I. Vat Brown 3 (131-92-0)
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H317May cause an allergic skin reaction

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P272Contaminated work clothing should not be allowed out of the workplace.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P321Specific treatment (see … on this label).

P333+P313IF SKIN irritation or rash occurs: Get medical advice/attention.

P363Wash contaminated clothing before reuse.

P501Dispose of contents/container to..…

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Vat Brown 3 Chemical Properties,Usage,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

Vat Brown 3 Preparation Products And Raw materials

Raw materials

Preparation Products

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131-92-0, Vat Brown 3Related Search:


  • C.I. VAT BROWN 3
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