Vat Yellow 31
Vat Yellow 31 Basic information
- Product Name:
- Vat Yellow 31
- Synonyms:
-
- Vat Yellow 31
- 2,5-Dichloro-N-(7-oxo-7H-benzo[e]perimidin-8-yl)benzamide
- C.I.68405
- C.I.Vat Yellow 31
- Indanthren Yellow 4GK
- Benzamide, 2,5-dichloro-N-(7-oxo-7H-benzo[e]perimidin-8-yl)-
- C.I.Vat Yellow 31:C.I.68405
- CAS:
- 6871-93-8
- MF:
- C22H11Cl2N3O2
- MW:
- 420.25
- Mol File:
- 6871-93-8.mol
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Vat Yellow 31 Chemical Properties
- Boiling point:
- 592.5±50.0 °C(Predicted)
- Density
- 1.567±0.06 g/cm3(Predicted)
- pka
- 11.18±0.20(Predicted)
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Vat Yellow 31 Usage And Synthesis
Preparation
1H-benzo[e]perimidin-5-amine with 2,5-Dichlorobenzoyl chloride?acylation.
Properties and Applications
yellow. Melting point: 287 ℃. In alkaline solution for insurance powder red brown; In the acidic insurance powder solution for brown.
| Standard | Ironing Fastness | Chlorine bleach | Light Fastness | Mercerized | Oxygen bleach | Soaping | |
| Fading | Stain | ||||||
| ISO | 4-5 | 5 | 7 | 4 | 4-5 | ||