Vat Red 42
- CAS NO.：2987-68-0
- Empirical Formula: C28H18N2O4
- Molecular Weight: 446.45
- MDL number: MFCD00328563
- EINECS: 221-058-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:16:32
What is Vat Red 42?
Preparation
(a) 1,4-Diaminoanthraquinone and Benzoyl chloride condensation; (b) 1, 4 – Dichloroanthraquinone and Benzamide?(2 Moore) condensation.
Properties and Applications
yellow red. Dark red powder. Soluble in 1, 2, 3, 4 – Tetrahydronaphthalene and Xylene. In concentrated sulfuric acid for red, dilution after magenta precipitation; Alkaline reduction leuco for dark red light purple; Acid reduction leuco for yellow brown. This product is light brittle dye, with photosensitivity. Mainly used in color matching, dyeing cotton shoulds not be direct sunlight, or color shallow. Can be used for paper dyeing.
| Standard | Ironing Fastness | Chlorine bleach | Light Fastness | Mercerized | Oxygen bleach | Soaping | |
| Fading | Stain | ||||||
| ISO | 3-4 | 5 | 7 | 5 | 4 | 3-4 | 4 |
Properties of Vat Red 42
| Melting point: | 286.5 °C |
| Boiling point: | 549.5±50.0 °C(Predicted) |
| Density | 1.409±0.06 g/cm3(Predicted) |
| pka | 11.66±0.20(Predicted) |
Safety information for Vat Red 42
Computed Descriptors for Vat Red 42
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