ChemicalBook > CAS DataBase List > Vat Black 25
Vat Black 25
- Product Name
- Vat Black 25
- CAS No.
- 4395-53-3
- Chemical Name
- Vat Black 25
- Synonyms
- Olive T;C.I. 69525;Vat Olivet;Vat Black 25;C.I.VATBLACK25;Reduced olive T;Intravat Olive S;Cibanone Olive S;Anthramar Olive T;Vat Olive Green T
- CBNumber
- CB7875320
- Molecular Formula
- C45H22N2O5
- Formula Weight
- 670.67
- MOL File
- 4395-53-3.mol
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Vat Black 25 Property
- Density
- 1.527±0.06 g/cm3(Predicted)
- pka
- -2.72±0.20(Predicted)
- CAS DataBase Reference
- 4395-53-3(CAS DataBase Reference)
- EPA Substance Registry System
- Anthra[2,1,9-mna]naphth[2,3-h]acridine-5,10,15(16H)-trione, 3-[(9,10-dihydro-9,10-dioxo-1-anthracenyl)amino]- (4395-53-3)
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N-Bromosuccinimide Price
American Custom Chemicals Corporation
- Product number
- DYE0001990
- Product name
- CI VAT BLACK 25
- Purity
- 95.00%
- Packaging
- 5MG
- Price
- $503.67
- Updated
- 2021/12/16
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Vat Black 25 Chemical Properties,Usage,Production
Preparation
1-Aminoanthracene-9,10-dione (2 Moore) and 3,9-Dibromo-7H-benzo[de]anthracen-7-one in boiling naphthalene, in copper oxide and Sodium carbonate under the existence of condensation,?And then boiling isobutanol cyclization with potassium hydroxide.
Properties and Applications
brown light grey. Brown powder. In concentrated sulfuric acid for green, dilution after black precipitation; In concentrated nitric acid for the red light brown. Alkaline reduction leuco for grey; Acid reduction leuco for dark olive. Mainly used in cotton fiber dyeing, generally not used for printing. Suitable for suspension pad dyeing, and other dye spell dyed all kinds of noise, leuco can dye cotton yarn, but also can be used for silk and wool dyeing, and have a good washing fastness and fastness to sunlight.
| Standard | Ironing Fastness | Chlorine bleach | Light Fastness | Mercerized | Oxygen bleach | Soaping | |
| Fading | Stain | ||||||
| ISO | 4 | 4 | 8 | 5 | 4 | 4-5 | 5 |
| AATCC | 5 | 4 | 7-8 | 5 | 4-5 | ||
Vat Black 25 Preparation Products And Raw materials
Raw materials
Sodium hypochlorite
Diffusing agent
Potassium hydroxide
Benzanthrone
Government regulation
Bromide
1-Aminoanthraquinone
Sulfuric acid
Preparation Products
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