Durazol Brown 4RNS
- CAS NO.：6661-42-3
- Empirical Formula: C34H25N9Na2O9S2
- Molecular Weight: 813.72674
What is Durazol Brown 4RNS?
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 | ||
Safety information for Durazol Brown 4RNS
New Products
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