C.I. Direct orange 2
C.I. Direct orange 2 Basic information
- Product Name:
- C.I. Direct orange 2
- Synonyms:
-
- C.I. Direct orange 2
- Direct Orange 2
- C.I.Direct Orange 2:C.I.22380
- CAS:
- 8005-97-8
- MW:
- 0
- Mol File:
- Mol File
C.I. Direct orange 2 Chemical Properties
- EPA Substance Registry System
- C.I. Direct Orange 2 (8005-97-8)
C.I. Direct orange 2 Usage And Synthesis
Preparation
4-(4-Aminophenyl)benzenamine double nitriding, first with 2-Hydroxybenzoic acid coupling, again with 6-(3-Methyl-5-oxo-4,5-dihydropyrazol-1-yl)naphthalene-1,3-disulfonic acid?(0.75 Moore) and 1-(3-Sulfophenyl)-3-methyl-5-pyrazolone (0.25 Moore) coupled.
Properties and Applications
orange. Soluble in water for gold orange, and adequate soluble in ethanol for golden brown. The strong sulfuric acid for blue-ray red to purple, diluted for golden brown. The dye solution to join strong hydrochloric acid for yellow olive, and have precipitation; Add thick sodium hydroxide solution for orange. Apply to cotton dyeing, can also be used to soap class, paper and leather color. White sex is good, alkaline white poor. Copper ions in dyeing color is red; Iron ion in the red light. Exhaust dyeing.
| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
| Fading | Stain | Fading | Stain | ||||
| ISO | 3 | 4 | 4 | 2 | 2 | ||
C.I. Direct orange 2(8005-97-8)Related Product Information
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- 2,7-Naphthalenedisulfonic acid, 3-amino-4-[[4'-[(4-ethoxyphenyl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-, disodium salt
- C.I. Direct Orange 22
- [2,6'-Bibenzothiazole]-7-sulfonic acid, 2'-[4-[[2,6-diamino-3-sulfo-5-[(3-sulfophenyl)azo]phenyl]azo]phenyl]-6-methyl-, trisodium salt