Vat Green 2
- CAS NO.：25704-81-8
- Empirical Formula: C36H18Br2O4
- Molecular Weight: 674.334
- EINECS: 247-192-4
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-12-31 14:38:37
What is Vat Green 2?
Preparation
C.I. Vat Green 1 (C.I. 59825)??in the presence of sodium nitrite, bromide, fuming sulfuric acid, and avoid off meth.
Safety Profile
An eye irritant. When heated to decomposition it emitsvery toxic fumes of Br-.
Properties and Applications
brilliant green. Variegated dark green powder. Soluble in 1, 2, 3, 4 – Tetrahydronaphthalene, there are green fluorescent, slightly soluble in 2 – Chlorophenol, not soluble in Acetone, Etanol, Chloroform, Pyridine and Toluene. In concentrated sulfuric acid to dark purple. Alkaline reduction leuco for blue; Acid reduction leuco for blue light red. Mainly used for cotton dyeing and printing paper and coloring.
| Standard | Ironing Fastness | Chlorine bleach | Light Fastness | Mercerized | Oxygen bleach | Soaping | |
| Fading | Stain | ||||||
| ISO | 3 | 3 | 6-7 | 4-5 | 4-5 | 5 | 4 |
| AATCC | 5 | 4 | 6-7 | 4-5 | 4-5 | ||
Properties of Vat Green 2
| Density | 1.3821 (rough estimate) |
| refractive index | 1.5010 (estimate) |
| EPA Substance Registry System | Anthra[9,1,2-cde]benzo[rst]pentaphene-5,10-dione, dibromo-16,17-dimethoxy- (25704-81-8) |
Safety information for Vat Green 2
Computed Descriptors for Vat Green 2
Vat Green 2 manufacturer
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