BISMARCK BROWN R

Synonym(s):Basic Brown 4;Vesuvine

CAS NO.：5421-66-9
Empirical Formula: C21H25ClN8
Molecular Weight: 424.94
MDL number: MFCD00036386
EINECS: 226-541-4
SAFETY DATA SHEET (SDS)
Update Date: 2023-04-23 13:52:06

What is BISMARCK BROWN R?

The Uses of BISMARCK BROWN R

Bismarck Brown R is used as an adsorbate and is used in dye decoloration experiment. Dyes and metabolites.

What are the applications of Application

Bismarck Brown R is a small molecule azo dye

Preparation

based in 2 Moore’s deal with 3 Moore’s diazo, and 4-Methylbenzene-1,3-diamine hydrochloride (this product in the above may double the azo dyes as the main component of the mixture).

Properties and Applications

red light brown. For yellow brown is soluble in water, soluble in ethanol and soluble fiber element, slightly soluble in acetone, insoluble in benzene. The strong sulfuric acid for brown, diluted into a red light brown; In nitric acid solution for purple, to brown; In strong hydrochloric acid for purple solution (don’t). The dye solution to join strong hydrochloric acid for yellow brown; Add 10% sodium hydroxide solution into orange. Mainly used for silk, wool fabric dyeing, also used in leather and paper color

Standard	Light Fastness	Persperation Fastness		Ironing Fastness		Soaping
Standard	Light Fastness	Fading	Stain	Fading	Stain	Fading	Stain
ISO	1	4	2			1	2

Properties of BISMARCK BROWN R

Melting point:	222 °C (dec.)(lit.)
Colour Index	21010
form	Powder
color	Brown to Black
Odor	Odorless
Water Solubility	Soluble in water
BRN	1829673
EPA Substance Registry System	1,3-Benzenediamine, 4,4'-[(4-methyl-1,3-phenylene)bis(azo)]bis[6-methyl-, dihydrochloride (5421-66-9)

Safety information for BISMARCK BROWN R

Signal word	Warning
Pictogram(s)	Exclamation Mark Irritant GHS07
GHS Hazard Statements	H303:Acute toxicity,oral
Precautionary Statement Codes	P270:Do not eat, drink or smoke when using this product. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P403:Store in a well-ventilated place.