2,7-Naphthalenedisulfonic acid, 4-hydroxy-3-(2-naphthalenylazo)-, disodium salt
- Product Name
- 2,7-Naphthalenedisulfonic acid, 4-hydroxy-3-(2-naphthalenylazo)-, disodium salt
- CAS No.
- 5858-66-2
- Chemical Name
- 2,7-Naphthalenedisulfonic acid, 4-hydroxy-3-(2-naphthalenylazo)-, disodium salt
- Synonyms
- Acid Red 16;C.I.Acid Red 16:C.I.14920;2,7-Naphthalenedisulfonic acid, 4-hydroxy-3-(2-naphthalenylazo)-, disodium salt
- CBNumber
- CB74751211
- Molecular Formula
- C20H12N2Na2O7S2
- Formula Weight
- 502.42802
- MOL File
- 5858-66-2.mol
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2,7-Naphthalenedisulfonic acid, 4-hydroxy-3-(2-naphthalenylazo)-, disodium salt Chemical Properties,Usage,Production
Preparation
Naphthalen-2-amine diazo, coupled with 4-Hydroxynaphthalene-2,7-disulfonic acid.
Properties and Applications
red. Soluble in water for red, orange for adequate soluble in alcohol. The strong sulfuric acid for dark purple, diluted in red. In aqueous solution to join strong hydrochloric acid for red; Add thick sodium hydroxide solution for orange brown.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 4 | 2-3 | 3 | 2 | 1-2 | 2 | ||
2,7-Naphthalenedisulfonic acid, 4-hydroxy-3-(2-naphthalenylazo)-, disodium salt Preparation Products And Raw materials
Raw materials
Preparation Products
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2,7-Naphthalenedisulfonic acid, 4-hydroxy-3-(2-naphthalenylazo)-, disodium salt Suppliers
5858-66-2, 2,7-Naphthalenedisulfonic acid, 4-hydroxy-3-(2-naphthalenylazo)-, disodium saltRelated Search:
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