Vat Orange 4
- CAS NO.：1324-33-0
- Empirical Formula: C30H11Br3O2
- Molecular Weight: 643.11914
- MDL number: MFCD28385573
- EINECS: 215-372-1
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-12-31 14:38:37
What is Vat Orange 4?
Preparation
(a) in Nitrobenzene or Chlorosulfonic acid in the ?8,16-Pyranthrenedione brominated; (b) Bromination of 1-(2-Methyl-9,10-dioxoanthracene-1-yl)-2-methylanthracene-9,10-dione?dehydration.
Properties and Applications
red light orange. Orange powder. Soluble in 1, 2, 3, 4-Tetrahydronaphthalene, Xylene is yellow, a green fluorescent, insoluble in Etanol. The strong sulfuric acid for blue, orange precipitation after diluted. Alkaline reduction leuco purple, acid reduction is orange leuco. Used for the cotton fabric dyeing as red orange, the direct to cotton good sex. Can be used for the discharge printing and dyeing, also can be used for silk dyeing. Unlike structure C.I. Pigment Red 216
| Standard | Ironing Fastness | Chlorine bleach | Light Fastness | Mercerized | Oxygen bleach | Soaping | |
| Fading | Stain | ||||||
| ISO | 4-5 | 5 | 6-7 | 4 | 4-5 | 5 | 5 |
| AATCC | 4-5 | 5 | 5-6 | 4 | 4-5 | ||
Properties of Vat Orange 4
| EPA Substance Registry System | 8,16-Pyranthrenedione, tribromo- (1324-33-0) |
Safety information for Vat Orange 4
Computed Descriptors for Vat Orange 4
New Products
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