Vat Brown 1

Vat Brown 1 Basic information

Product Name:	Vat Brown 1
Synonyms:	16,23-dihydronaphth[2',3':6,7]indolo[2,3-c]dinaphtho[2,3-a:2'3'-i]carbazole-5,10,15,17,22,24-hexone;Naphth2,3:6,7indolo2,3-cdinaphtho2,3-a:2,3-icarbazole-5,10,15,17,22,24-hexone, 16,23-dihydro-;C.I.VATBROWN1;Vat brown 1 (C.I. 70800);Anthramar Brown BR;Cibanone Brown BR;Dycosthren Brown BR;Mikethrene Brown BR
CAS:	2475-33-4
MF:	C42H18N2O6
MW:	646.6
EINECS:	219-599-7
Product Categories:	Organics
Mol File:	2475-33-4.mol

Vat Brown 1 Chemical Properties

Boiling point	675.58°C (rough estimate)
density	1.2856 (rough estimate)
refractive index	1.4670 (estimate)
pka	11.33±0.20(Predicted)
LogP	8.52
CAS DataBase Reference	2475-33-4(CAS DataBase Reference)
EPA Substance Registry System	C.I. Vat Brown 1 (2475-33-4)

Safety Information

MSDS Information

Vat Brown 1 Usage And Synthesis

Preparation

1,4-Diaminoanthraquinone and 1-Bromoanthracene-9,10-dione or 1-Bromoanthracene-9,10-dione (2 Moore) condensation, its product in Pyridine with Aluminium chloride heating.

General Description

Fine, dark brown to black crystalline powder with a slight odor.

Air & Water Reactions

Insoluble in water.

Reactivity Profile

Oxidizing agents and reducing agents may destroy Vat Brown 1's color. .

Health Hazard

ACUTE/CHRONIC HAZARDS: When heated to decomposition Vat Brown 1 may emit toxic fumes of carbon oxides and nitrogen oxides.

Fire Hazard

Flash point data for Vat Brown 1 are not available; however, Vat Brown 1 is probably combustible. Dust clouds may form explosive mixtures with air.

Properties and Applications

red light brown. Dark brown powder. Slightly soluble in hot 1, 2, 3, 4 – Tetrahydronaphthalene and thermal Xylene, insoluble in cold Xylene. In concentrated sulfuric acid to Copenhagen green, dilution after brown precipitation. Alkaline reduction leuco for yellow brown; Acid reduction leuco for dark olive. Mainly used for cotton, hemp, silk and viscose dyeing and printing, cotton yarn dyeing common varieties. Used for polyester/cotton blended fabric two bath dyeing of polyester with little color. The leuco used for dyeing cotton knitwear.

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

Vat Brown 1 Preparation Products And Raw materials

Raw materials	Aluminum chloride-->Copper(I) chloride-->Sodium hypochlorite-->1,4-Diamino anthraquinone-->1-Chloro anthraquinone-->1-Chloro anthraquinone-->1-BROMOANTHRAQUINONE-->Pyridine
Preparation Products	Vat Brown 1, Solubilised

Vat Brown 3,Vat brown 3 (C.I. 69015),C.I. VAT BROWN 3 Direct Dark Brown NM 6,7-DIMETHYLINDOLE Indole-6-carboxaldehyde 2-METHYLCARBAZOLE Solubilised Vat Brown 1,Vat Brown 1, Solubilised,Vat brown 1 solubilized (C.I. 70801) Vat Brown RRD H/C Paste 2-ACETYLCARBAZOLE 98 BROWNSUGAR 7-Ethylindole 6-Methylindole 7-Methylindole 6-Ethylindole Vat Brown 84 Indole-7-carboxaldehyde 9H-CARBAZOLE-2-CARBALDEHYDE Vat Brown 1 7-BENZOYLINDOLE

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Vat Brown 1

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