disodium 7-hydroxy-8-[[4-[(4-sulphonatophenyl)azo]phenyl]azo]naphthalene-2-sulphonate
disodium 7-hydroxy-8-[[4-[(4-sulphonatophenyl)azo]phenyl]azo]naphthalene-2-sulphonate Basic information
- Product Name:
- disodium 7-hydroxy-8-[[4-[(4-sulphonatophenyl)azo]phenyl]azo]naphthalene-2-sulphonate
- Synonyms:
-
- disodium 7-hydroxy-8-[[4-[(4-sulphonatophenyl)azo]phenyl]azo]naphthalene-2-sulphonate
- Acid red 70 (C.I. 27155)
- 7-Hydroxy-8-[[4-[(4-sodiosulfophenyl)azo]phenyl]azo]naphthalene-1-sulfonic acid sodium salt
- C.I.27155
- C.I.Acid Red 70
- Acid Red 70
- C.I.Acid Red 70:C.I.27155
- CAS:
- 6226-74-0
- MF:
- C22H14N4Na2O7S2
- MW:
- 556.4787
- EINECS:
- 2283171
- Mol File:
- 6226-74-0.mol
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disodium 7-hydroxy-8-[[4-[(4-sulphonatophenyl)azo]phenyl]azo]naphthalene-2-sulphonate Usage And Synthesis
Preparation
4-((4-Aminophenyl)diazenyl)benzenesulfonic acid diazo, and 7-Hydroxynaphthalene-1-sulfonic acid coupling.
Properties and Applications
colourful yellow red. Soluble in water and ethanol to the red orange. The strong sulfuric acid in blue, diluted into pink. In water solution to join strong hydrochloric acid is palm orange; Add thick sodium hydroxide solution for dark purple.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 4 | 2-3 | 1-2 | 2 | 2 | 1-2 | ||
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disodium 7-hydroxy-8-[[4-[(4-sulphonatophenyl)azo]phenyl]azo]naphthalene-2-sulphonate (6226-74-0)Related Product Information
- 2-Naphthalenesulfonic acid, 6-(acetylamino)-3-[[4-(benzoylethylamino)phenyl]azo]-4-hydroxy-, monosodium salt
- ACID RED 8
- CROCEIN SCARLET 7B
- disodium 3-[[4-(acetylamino)phenyl]azo]-4-hydroxynaphthalene-2,7-disulphonate
- Acid Red 73
- ACID RED 66
- disodium 4-hydroxy-3-[(4-nitrophenyl)azo]-5-[[(p-tolyl)sulphonyl]amino]naphthalene-2,7-disulphonate
- 1-Naphthalenesulfonic acid, 4-amino-3-[2-(4-nitrophenyl)diazenyl]-, sodium salt (1:1)
- ACID RED 80