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 | SITE MAP |
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SPECIFICATION
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C.I. Name
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Direct Blue 71
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CAS NO.
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4399-55-7
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C.I. No.
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34140
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Type of dye
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Direct
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Description
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Dull Black Powder
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Hue
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Black
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Physical Appearance
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Powder
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PH of 1%solution
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8.75
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Solubility
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90°c-50g/l
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Insolubility
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0.08%
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Absorbance
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0.35(0.002%solution)
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Maximum wavelength
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620nm
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Foaming
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Nil
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Spot Test on Paper
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Similar to std
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Moisture content
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3%
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