| Identification | Back Directory | [Name]
Vat Brown 25 | [CAS]
6247-46-7 | [Synonyms]
C.I.69020
Vat Brown 25
C.I.Vat Brown 25
Ostanthren Brown 5RF
Trianthrene Brown 5RF.
Indanthrene Red Brown 5RF
Vat brown 25 (C.I. 69020)
C.I.Vat Brown 25:C.I.69020
Vat Brown 25 ISO 9001：2015 REACH
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-
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-dinaphtho[2,3-a:2',3'-i]carbazole-4,9-diyl)bis- (8CI,9CI) | [EINECS(EC#)]
228-367-4 | [Molecular Formula]
C43H25N3O7 | [MOL File]
6247-46-7.mol | [Molecular Weight]
695.674 |
| Chemical Properties | Back Directory | [Boiling point ]
700.85°C (rough estimate) | [density ]
1.2637 (rough estimate) | [refractive index ]
1.7790 (estimate) | [pka]
11.22±0.20(Predicted) |
| Hazard Information | Back Directory | [Chemical Properties]
Purple-red powder. Insoluble in water. Purple in concentrated sulfuric acid, red upon dilution. Reddish-brown in alkaline sodium hydrosulfite solution, brown in acidic solution. | [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
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Light Fastness
|
Mercerized
|
Oxygen bleach
|
Soaping
|
|
Fading
|
Stain
|
|
ISO
|
5
|
5
|
7
|
5
|
5
|
5
|
5
|
|
AATCC
|
5
|
5
|
7-8
|
5
|
5
|
|
|
|
|
| Company Name: |
Alfa Chemistry
|
| Tel: |
1-516-6625404 |
| Website: |
https://www.alfa-chemistry.com |
|