Durazol Brown 4RNS

CAS No.
6661-42-3
Chemical Name:
Durazol Brown 4RNS
Synonyms
C.I.34020;Direct Brown 99;Sirius Brown RV;Fixanol Brown 4RN;Durazol Brown 4RNS;C.I.Direct Brown 99;Durazol Red Brown 4RN;C.I.Direct Brown 99:C.I.34020
CBNumber:
CB02437837
Molecular Formula:
C34H25N9Na2O9S2
Molecular Weight:
813.72674
MDL Number:
MOL File:
6661-42-3.mol

Durazol Brown 4RNS Chemical Properties,Uses,Production

Preparation

3-Aminonaphthalene-1,5-disulfonic acid diazo, and Naphthalen-1-amine coupling, product to diazo, and 2-Amino-4-methylanisole coupling, generation of accidentally nitrogen compounds to diazo, and 4-Nitrobenzene-1,3-diamine coupling.

Properties and Applications

red light brown. Moderate soluble in water and ethanol for brown. The strong sulfuric acid for blue-ray green (+ violet black), diluted for Shallow red time The dye solution to join strong hydrochloric acid with brown precipitation; Add thick sodium hydroxide solution for yellow brown, with brown precipitation.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 4 5 4-5 2 2

Durazol Brown 4RNS Preparation Products And Raw materials

Sirius Brown RV Fixanol Brown 4RN Durazol Red Brown 4RN Durazol Brown 4RNS C.I.34020 C.I.Direct Brown 99 Direct Brown 99 C.I.Direct Brown 99:C.I.34020 6661-42-3