C.I.Direct Blue 30
- Product Name
- C.I.Direct Blue 30
- CAS No.
- 6656-08-2
- Chemical Name
- C.I.Direct Blue 30
- Synonyms
- C.I.31955;Direct Blue 30;Congo Fast Blue B;Direct Fast Blue B;C.I.Direct Blue 30;Direct Fast Blue CB;Pyrazol Fast Cyanine CB;C.I.Direct Blue 30:C.I.31955
- CBNumber
- CB62139164
- Molecular Formula
- C44H28N6Na4O16S4
- Formula Weight
- 1116.9428
- MOL File
- 6656-08-2.mol
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C.I.Direct Blue 30 Chemical Properties,Usage,Production
Preparation
3,3′-Dimethoxylbenzidine double nitriding, first with Naphthalen-1-amine, and then three diazo, and 8-Hydroxynaphthalene-1,6-disulfonic acid (2 Moore) coupled.
Properties and Applications
dark green light blue. Soluble in water for blue, slightly soluble in ethanol for violet blue. The strong sulfuric acid for blue-ray green, dark after diluted precipitation; In nitric acid in red for black. The dye solution to join strong hydrochloric acid blue precipitation; Add thick sodium hydroxide solution have blue precipitation.
| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
| Fading | Stain | Fading | Stain | ||||
| ISO | 3-4 | 4 | 3 | 1-2 | 1-2 | ||
| AATCC | 5 | 4-5 | 2-3 | 3 | 1-2 | ||
C.I.Direct Blue 30 Preparation Products And Raw materials
Raw materials
Preparation Products
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C.I.Direct Blue 30 Suppliers
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