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| OEM | OEM Services Provided |
| Feature | Good stability,Easy to Use |
| Classification | Dyes and Pigments |
| Advantage | Professional, Fast Delivery, Customizable | Samples | Apply for free，Contact us now. |
| Product Name: | Vat Black 25 |
| Synonyms: | 3-(anthraquinon-1-ylamino)anthra[2,1,9-mna]naphth[2,3-h]acridine-5,10,15(16H)-trione;Anthra2,1,9-mnanaphth2,3-hacridine-5,10,15(16H)-trione, 3-(9,10-dihydro-9,10-dioxo-1-anthracenyl)amino-;C.I.VATBLACK25;Vat black 25 (C.I. 69525);Anthramar Olive T;Cibanone Olive S;Dycosthren Olive T;Intravat Olive S |
| CAS: | 4395-53-3 |
| MF: | C45H22N2O5 |
| MW: | 670.67 |
| EINECS: | 224-519-9 |
| Product Categories: | Organics |
| Mol File: | 4395-53-3.mol |
| 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) |
| Uses | Vat Black 25 is a black dye. | ||||||||||||||||||||||||||
| 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.
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| [1] Krivov SV, et al.Diffusive reaction dynamics on invariant free energy profiles. Proc Natl Acad Sci U S A. 2008 Sep 16;105(37):13841-6. | |||||||||||||||||||||||||||
| Raw materials | Sulfuric acid-->Bromine-->Potassium hydroxide-->Sodium hypochlorite-->1-Aminoanthraquinone-->Bromide-->Benzanthrone-->Diffusing agent-->3,9-Dibromobenzanthrone-->1-Aminoanthraquinone |
| Preparation Products | tetrasodium 3-[(9,10-dihydroxy-1-anthryl)amino]-10,15-dihydroxyanthra[2,1,9-mna]naphth[2,3-h]acridin-5(16H)-one tetrakis(sulphate) |
Declaration: The products displayed on this website are intended exclusively for industrial applications or scientific research. They are not intended for medical, pharmaceutical, or food use. In accordance with applicable laws and regulations, purchasing organizations must hold valid qualifications and approvals.
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