sodium 5-hydroxy-6-(naphthylazo)naphthalenesulphonate
sodium 5-hydroxy-6-(naphthylazo)naphthalenesulphonate Basic information
- Product Name:
- sodium 5-hydroxy-6-(naphthylazo)naphthalenesulphonate
- Synonyms:
-
- sodium 5-hydroxy-6-(naphthylazo)naphthalenesulphonate
- 5-Hydroxy-6-(1-naphthalenylazo)-1-naphthalenesulfonic acid sodium salt
- C.I.14830
- C.I.Acid Red 20
- Lutetia Brilliant Bordeaux BO
- Acid Red 20
- C.I.Acid Red 20:C.I.14830
- 1-Naphthalenesulfonicacid, 5-hydroxy-6-[2-(1-naphthalenyl)diazenyl]-, sodium salt (1:1)
- CAS:
- 5858-53-7
- MF:
- C20H13N2NaO4S
- MW:
- 400.38299
- EINECS:
- 2274937
- Mol File:
- 5858-53-7.mol
More
Less
sodium 5-hydroxy-6-(naphthylazo)naphthalenesulphonate Chemical Properties
- EPA Substance Registry System
- 1-Naphthalenesulfonic acid, 5-hydroxy-6-(1-naphthalenylazo)-, monosodium salt (5858-53-7)
More
Less
sodium 5-hydroxy-6-(naphthylazo)naphthalenesulphonate Usage And Synthesis
Preparation
Naphthalen-1-amine diazo, and 5-Hydroxynaphthalene-1-sulfonic acid coupling.
Properties and Applications
red. Slightly soluble in water for orange red. The strong sulfuric acid for blue, red after diluted precipitation; In nitric acid solution for orange brown.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 3 | 3 | 1-2 | 2 | 2 | 2-3 | ||