6-Hydroxy-5-(1-naphthalenylazo)-2-naphthalenesulfonic acid sodium salt
- CAS NO.：5864-86-8
- Empirical Formula: C20H15N2NaO4S
- Molecular Weight: 402.4
- MDL number: MFCD18974667
- SAFETY DATA SHEET (SDS)
What is 6-Hydroxy-5-(1-naphthalenylazo)-2-naphthalenesulfonic acid sodium salt?
Preparation
Naphthalen-1-amine diazo, and 6-Hydroxynaphthalene-2-sulfonic acid coupling.
Properties and Applications
red. Slightly soluble in water for blue-ray red, soluble in ethanol red. In the strong sulfuric acid as dark blue, a red brown after diluted. In water solution to join strong hydrochloric acid for red light brown; Add thick sodium hydroxide solution into a brown.
Safety information for 6-Hydroxy-5-(1-naphthalenylazo)-2-naphthalenesulfonic acid sodium salt
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