Disperse Violet 28
1,4-Diamino-2,3-dichloroanthraquinone
CAS: 81-42-5
Molecular Formula: C14H8Cl2N2O2
Disperse Violet 28 - Names and Identifiers
| Name | 1,4-Diamino-2,3-dichloroanthraquinone |
| Synonyms | Disperse Violet 28 Dispersed Violet 28 1,4-Diamino-2,3-dichloroanthraquinone 1,4-diamido-2,3-dichloroanthraquinone 1,4-diamino-2,3-dichloroanthracene-9,10-dione |
| CAS | 81-42-5 |
| EINECS | 201-348-8 |
| InChI | InChI=1/C14H8Cl2N2O2/c15-9-10(16)12(18)8-7(11(9)17)13(19)5-3-1-2-4-6(5)14(8)20/h1-4H,17-18H2 |
Disperse Violet 28 - Physico-chemical Properties
| Molecular Formula | C14H8Cl2N2O2 |
| Molar Mass | 307.13 |
| Density | 1.637g/cm3 |
| Melting Point | 295℃ |
| Boling Point | 601.4°C at 760 mmHg |
| Flash Point | 317.5°C |
| Vapor Presure | 2.02E-14mmHg at 25°C |
| Specific Gravity | abt. 0.45 |
| pKa | -1.73±0.20(Predicted) |
| Storage Condition | 2-8℃ |
| Refractive Index | 1.756 |
| Physical and Chemical Properties | Dark purple powder. Soluble in acetone, ethanol and benzene. It is light dark brown in concentrated sulfuric acid and purple after dilution. |
| Use | Transparent violet is used for coloring various resins. It is also an important dye for polyester and nylon dyeing and printing. |
Disperse Violet 28 - Risk and Safety
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S24/25 - Avoid contact with skin and eyes. |
| HS Code | 29223990 |
Disperse Violet 28 - Upstream Downstream Industry
Disperse Violet 28 - Introduction
Uses for dyeing or printing polyester, diacetate, triacetate, nylon and other fabrics
Use as a dye intermediate, used to produce 26 violet, 28 violet, dicyanide, etc.
Uses Dispersed purple RL can be used for dyeing and printing of polyester, diacetate, triacetate, nylon and other fabrics. Good leveling, poor dyeing depth, mainly used for light color. Dye polyester bright red purple. Mainly used for high temperature and high pressure dyeing polyester knitted fabric or for adjusting color light.
Use dye intermediate, used to produce dispersed turquoise blue HBF, dispersed turquoise blue S-GL, etc.
The production method is obtained by sulfonyl chlorination of 1, 4-diaminoanthraquinone leuco.
The production method uses 1, 4-diaminoanthraquinone as raw material and is chlorinated by sulfonyl chloride to obtain the product. After dilution, filtration and drying, the finished product is obtained..
The production method uses 1, 4-diaminoanthraquinone as raw material and chlorinated with thioyl chloride in nitrobenzene solvent to obtain the product. After dilution, the finished product is obtained..
Last Update：2024-04-10 22:29:15
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View History
Raw Materials for Disperse Violet 28
Downstream Products for Disperse Violet 28
Disperse Violet 28
disodium 4,4'-[(1,4-diamino-9,10-dihydro-9,10-dioxo-2,3-anthrylene)bis(oxy)]bis[benzenesulphonate]
Disperse Violet 26
Disperse Violet 38
sodium 1,4-diamino-9,10-dihydro-9,10-dioxo-3-phenoxyanthracene-2-sulphonate
Vat Green 11
disodium 4,4'-[(1,4-diamino-9,10-dihydro-9,10-dioxo-2,3-anthrylene)bis(oxy)]bis[benzenesulphonate]
Disperse Violet 26
Disperse Violet 38
sodium 1,4-diamino-9,10-dihydro-9,10-dioxo-3-phenoxyanthracene-2-sulphonate
Vat Green 11