Product description:
Vat yellow 3RT is yellow powder.
Slightly soluble in o-chlorophenol and pyridine, insoluble in ethanol, acetone, chloroform and toluene.
Product parameter:
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CAS No. |
2172-33-0
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|
EINECS No.
|
218-524-5
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|
C.I. No.
|
70805
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|
Molecular formula
|
C42H18N2O6
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Molecular Weight
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646.6
|
|
Appearance
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Orange powder
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|
Strength
|
100±3
|
|
Application
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Mainly used for cotton coil dyeing and immersion dyeing, cotton can be printed directly. Sometimes it is also used for dyeing paper
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|
Density
|
1.651
|
|
Diffusivity
|
≥3
|
|
Particle fineness
|
≤3 μm
|
|
Solubility
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Slightly soluble in o-chlorophenol and pyridine, insoluble in ethanol, acetone, chloroform and toluene. It is reddish brown in concentrated sulfuric acid, and brown yellow precipitates after dilution
|
|
Water solubility
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1μg/L at 20℃
|
|
LogP
|
7.28180
|
|
PSA
|
134.00000
|
|
Refractive index
|
1.911
|
Product picture:
Application of VAT Dyes:
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