Vat Brown 25
Vat Brown 25 Basic information
- Product Name:
- Vat Brown 25
- Synonyms:
-
- Vat Brown 25
- C.I.69020
- Indanthrene Red Brown 5RF
- N,N'-(10,15,16,17-tetrahydro-1-methoxy-5,10,15,17-tetraoxo-5H-dinaphtho[2,3-a:2',3'-i]carbazole-4,9-diyl)bis(benzamide)
- Benzamide, N,N-(10,15,16,17-tetrahydro-1-methoxy-5,10,15,17-tetraoxo-5H-dinaphtho2,3-a:2,3-icarbazole-4,9-diyl)bis-
- Vat brown 25 (C.I. 69020)
- C.I.Vat Brown 25
- Ostanthren Brown 5RF
- CAS:
- 6247-46-7
- MF:
- C43H25N3O7
- MW:
- 695.67
- EINECS:
- 228-367-4
- Mol File:
- 6247-46-7.mol
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Vat Brown 25 Chemical Properties
- Boiling point:
- 700.85°C (rough estimate)
- Density
- 1.2637 (rough estimate)
- refractive index
- 1.7790 (estimate)
- pka
- 11.22±0.20(Predicted)
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Vat Brown 25 Usage And Synthesis
Preparation
N-(4-amino-9,10-dioxo-9,10-dihydroanthracen-1-yl)benzamide and N-(5-chloro-4-methoxy-9,10-dioxo-9,10-dihydroanthracen-1-yl)benzamide?condensation, cyclization and then.
Properties and Applications
red light brown. Purple red powder. Insoluble in water. In concentrated sulfuric acid for purple solution, after dilution to red. Alkaline reduction leuco for red brown; Acid reduction leuco for brown. Used for cotton suspension pad dyeing, good levelness. Generally used in jig dyeing color matching, but also can be used for polyester/cotton, Fiber/cotton blended fabric, silk and viscose dyeing.
| Standard | Ironing Fastness | Chlorine bleach | Light Fastness | Mercerized | Oxygen bleach | Soaping | |
| Fading | Stain | ||||||
| ISO | 5 | 5 | 7 | 5 | 5 | 5 | 5 |
| AATCC | 5 | 5 | 7-8 | 5 | 5 | ||
Vat Brown 25 Preparation Products And Raw materials
Raw materials
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Vat Brown 25(6247-46-7)Related Product Information
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