C.I. Direct Red 216
C.I. Direct Red 216 Basic information
- Product Name:
- C.I. Direct Red 216
- Synonyms:
-
- C.I. Direct Red 216
- Direct Red 216
- C.I.Direct Red 216:C.I.17815
- CAS:
- 8004-49-7
- MW:
- 0
- EINECS:
- 616-833-3
- Mol File:
- Mol File
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C.I. Direct Red 216 Usage And Synthesis
Preparation
mixed N,N-dimethylaniline diazo, and 7-(4-Aminobenzamido)-4-hydroxynaphthalene-2-sulfonic acid coupling.
Properties and Applications
colourful red yellow light. Soluble in water for orange red to red, soluble in ethanol is palm light orange. The strong sulfuric acid for product red to red light purple, diluted in red. The dye solution to join strong hydrochloric acid have red precipitate; With sodium hydroxide have orange brown precipitation.
| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
| Fading | Stain | Fading | Stain | ||||
| ISO | 5 | 4 | 2 | 3-4 | 4 | ||
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C.I. Direct Red 216(8004-49-7)Related Product Information
- Direct Red 224
- tetrasodium [mu-[[7,7'-(carbonyldiimino)bis[4-hydroxy-3-[(2-hydroxy-5-sulphophenyl)azo]naphthalene-2-sulphonato]](8-)]]dicuprate(4-)
- 6-Amino-5-[[4'-[(2-amino-7-sulfo-1-naphtyl)azo]-3,3'-dimethyl-1,1'-biphenyl-4-yl]azo]-2-naphthalenesulfonic acid disodium salt
- DIRECT RED 227
- DIRECT RED 24
- 5,5'-[3,3'-Dimethyl-1,1'-biphenyl-4,4'-diylbis(azo)]bis[6-aminonaphthalene-2-sulfonic acid sodium] salt
- C.I.Direct Red 207
- Direct Red 23
- DIRECT RED 239