1328-25-2
Vat Black 9
CAS: 1328-25-2
Molecular Formula: C126H58O10N4
1328-25-2 - Names and Identifiers
1328-25-2 - Physico-chemical Properties
| Molecular Formula | C126H58O10N4 |
| Density | 1.56[at 20℃] |
| Water Solubility | 2.7mg/L at 20℃ |
| Storage Condition | RT, dry, sealed |
| Physical and Chemical Properties | Black powder. In concentrated sulfuric acid was purple, diluted black. In the alkaline solution of sodium hydrosulfite was dark blue, in the acidic liquid red light brown. |
1328-25-2 - Reference Information
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| use | reduction direct black RB is used for dyeing cotton fiber, with good levelness and affinity, and can be directly dyed black. It is also suitable for printing cotton cloth. It is also used for dyeing viscose fibers, silk and cotton fabrics, as well as for dyeing polyester cotton and polyester viscose fabrics with black and dark gray to obtain uniform color. It is mainly used for dyeing cotton fabrics, polyester/cotton, and vitamin/cotton blended fabrics, especially in vitamin/cotton to obtain uniform gray |
| Production method | Using reduced golden orange G (C.I .59700) as the main raw material, it is first brominated, and then in the presence of sodium acetate and copper oxide Condensation with 1-aminoanthraquinone and aminoviolet anthrone to obtain the product. The finished product is filtered and dried.. |
Last Update：2024-04-10 22:29:15
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