Product description:
Reactive violet KN-4R is purple brown powder.
It can be used for dyeing and printing cotton, silk and linen fabrics. But this dye in light, medium color, weather fastness is general.
Product parameter:
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CAS No. |
12226-38-9
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EINECS No.
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235-434-1
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C.I. No.
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18097
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Molecular formula
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C20H16N3Na3O15S4
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Molecular weight
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735.58
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Appearance
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Purple brown powder
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Application
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It can be used for dyeing and printing cotton, silk and linen fabrics
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Melting point
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>360° C
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Refractive index
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n20D ~1.74 (Predicted)
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Solubility
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Solubility in water is 100g/L (50℃) Aqueous solution is reddish purple, plus 1mol/L sodium hydroxide solution is still reddish
purple, after adding insurance powder and warm colorless, and then adding sodium perborate can not be restored to the original color. Blu-red in concentrated sulfuric acid and rose red in dilution. It is orange-red in concentrated nitric acid and light reddish brown in dilution |
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PSA
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342.77000
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LOGP
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5.07970
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Stability
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Light Sensitive
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Alkali resistance
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5
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Light fastness
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7
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Perspiration
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5
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Soaping
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4-5
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Storage condition
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Store at room temperature
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Product picture:
Application:
Color card of reactive dyes:
Packing and delivery:
Company profile:
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