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| | Vat Black 25 Basic information |
| 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 |  |
| | Vat Black 25 Chemical Properties |
| | Vat Black 25 Usage And Synthesis |
| Uses | Vat Black 25 is a black dye. | | 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.
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Standard
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Ironing Fastness
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Chlorine bleach
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Light Fastness
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Mercerized
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Oxygen bleach
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Soaping
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Fading
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Stain
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ISO
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4
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4
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8
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5
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4
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4-5
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5
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AATCC
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5
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4
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7-8
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5
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4-5
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| | References | [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. |
| | Vat Black 25 Preparation Products And Raw materials |
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