BISMARCK BROWN Y

BISMARCK BROWN Y Structure
CAS No.
1052-38-6
Chemical Name:
BISMARCK BROWN Y
Synonyms
VESUVIN;CI 21000;VESUVINE;C.I.20000;VESUVINE G;CI NO 21000;BASIC BROWN;LEATHER BROWN;BASIC BROWN G;BISMARCK BROWN
CBNumber:
CB2224046
Molecular Formula:
C18H18N8
Molecular Weight:
346.39
MOL File:
1052-38-6.mol
MSDS File:
SDS
Modify Date:
2023/5/4 15:16:15

BISMARCK BROWN Y Properties

Melting point 222 C (dec.)
Boiling point 696.4±55.0 °C(Predicted)
Density 1.42±0.1 g/cm3(Predicted)
vapor pressure 0Pa at 25℃
pka 3.34±0.10(Predicted)
Water Solubility 18μg/L at 20℃
LogP 2.26 at 25℃
EPA Substance Registry System 1,3-Benzenediamine, 4,4'-[1,3-phenylenebis(azo)]bis- (1052-38-6)

SAFETY

Risk and Safety Statements

Hazard statements  H413
Hazard Codes  Xn
Risk Statements  20/21/22-36/37/38
Safety Statements  22-24/25-36-26
WGK Germany  3

BISMARCK BROWN Y Chemical Properties,Uses,Production

Definition

ChEBI: A bis(azo) compound that is 1,1'-(1,3-phenylene)bis(diazene) in which both azene hydrogens are replaced by 2,4-diaminophenyl groups. A metachromatic dye which stains acid mucins yellow. It is also a constituent of Papanicolaou's EA solutions, used for cerv cal, and other smears. Its dihydrochloride salt is also a biological dye known as Bismark brown Y.

Preparation

2 Moore’s Nitrous acid?treatment 3 Moore’s Benzene-1,3-diamine dihydrochloride (this product may be based on the double azo dyes as the main component of the mixture, and commodity dye is usually composed of dihydrochloride composition), and made free base.

Properties and Applications

yellow brown. Soluble in ethanol, acetone and benzene. In concentrated sulfuric acid for brown, dilution after red brown; In concentrated nitric acid for orange solution, to yellow. Dye aqueous solution to join hydrochloric acid don’t change color; Add 10% sodium hydroxide solution have orange precipitation.

BISMARCK BROWN Y Preparation Products And Raw materials

Raw materials

Preparation Products

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LEATHER BROWN EXCELSIOR BROWN CI 21000 CI NO 21000 4,4'-(M-PHENYLENEBISAZO)BIS-M-PHENYLENEDIAMINE DIHYDROCHLORIDE 3-Benzenediamine,4,4’-[1,3-phenylenebis(azo)]bis-1 4,4’-(1,3-phenylenebis(azo))bis(1,3-benzenediamine) 4,4’-(1,3-phenylenebis(azo))bis-3-benzenediamine 4,4’-[1,3-phenylenebis(azo)]bis-3-benzenediamine Bismark Brown G/Y BISMARK BROWN R FOR MICROSCOPY (C.I. No 21010) 1,3-Benzenediamine, 4,4-1,3-phenylenebis(azo)bis- Solvent Brown 41 4,4'-[1,3-phenylenebis(azo)]bisbenzene-1,3-diamine 4,4'-(m-Phenylenebisazo)bis(1,3-phenylenediamine) 4,6-Bis[(4-aminophenyl)azo]benzene-1,3-diamine C.I.20000 Bismarck brown G base (C.I. 21000:1) Bismark Brown G Base C.I.Solvent Brown 41 PHENYLENE BROWN VESUVINE G VESUVINE VESUVIN MANCHESTER BROWN BISMARCK BROWN Y (G) BISMARCK BROWN Y BISMARK BROWN Y BISMARCK BROWN G BISMARCK BROWN B BISMARCK BROWN BASIC BROWN G, GX, GXP BASIC BROWN G BASIC BROWN BASIC BROWN GXP BASIC BROWN GX BASIC BROWN NO 1 WCXNNRRUHXJZDQ-LNJOAEQUSA-N 1,3-Benzenediamine, 4,4'-[1,3-phenylenebis(2,1-d iazenediyl)]bis- C.I.Basic Brown 1:C.I.21000 C.I.Solvent Brown 41:C.I.21000:1 Phenylene Brown(C.I. 21000:1) 1052-38-6 1052-36-6 805-77-4 C18H18N82HCl C18H20Cl2N8 C18H18N8x Solvent Dyestuff Dyes and Pigments