Vat Black 25
- CAS NO.:4395-53-3
- Empirical Formula: C45H22N2O5
- Molecular Weight: 670.67
- MDL number: MFCD00800443
- EINECS: 224-519-9
- SAFETY DATA SHEET (SDS)
What is Vat Black 25?
Preparation
1-Aminoanthracene-9,10-dione (2 Moore) and 3,9-Dibromo-7H-benzo[de]anthracen-7-one in boiling naphthalene, in copper oxide and Sodium carbonate under the existence of condensation,?And then boiling isobutanol cyclization with potassium hydroxide.
Properties and Applications
brown light grey. Brown powder. In concentrated sulfuric acid for green, dilution after black precipitation; In concentrated nitric acid for the red light brown. Alkaline reduction leuco for grey; Acid reduction leuco for dark olive. Mainly used in cotton fiber dyeing, generally not used for printing. Suitable for suspension pad dyeing, and other dye spell dyed all kinds of noise, leuco can dye cotton yarn, but also can be used for silk and wool dyeing, and have a good washing fastness and fastness to sunlight.
Standard | Ironing Fastness | Chlorine bleach | Light Fastness | Mercerized | Oxygen bleach | Soaping | |
Fading | Stain | ||||||
ISO | 4 | 4 | 8 | 5 | 4 | 4-5 | 5 |
AATCC | 5 | 4 | 7-8 | 5 | 4-5 |
Properties of Vat Black 25
Density | 1.527±0.06 g/cm3(Predicted) |
pka | -2.72±0.20(Predicted) |
CAS DataBase Reference | 4395-53-3(CAS DataBase Reference) |
EPA Substance Registry System | Anthra[2,1,9-mna]naphth[2,3-h]acridine-5,10,15(16H)-trione, 3-[(9,10-dihydro-9,10-dioxo-1-anthracenyl)amino]- (4395-53-3) |
Safety information for Vat Black 25
Computed Descriptors for Vat Black 25
Abamectin manufacturer
Hina DyeChem Industries
Nixon Chemicals Ltd.
Jaffs Dyechem Private Limited
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