Basic Blue 20
Name:C.I.Basic Blue 20,C.I.42585
Molecular Structure: triarylmethane class
Molecular Formula:C26H33Cl2N3
Molecular Weight: 458.47
CAS Registry Number:82-94-0
Manufacturing Methods : chlorine methane and (C.I.Basic Violet 1, C.I. 42535) reaction
Properties and Applications: green light blue. Soluble in water for blue light green, not soluble in ethanol and e alcohol. The strong sulfuric acid to red light yellow, yellow green for diluted. Dyes to join sodium hydroxide solution to colorless.
| Standard( Cotton ) | Light Fastness | Persperation Fastness | Ironing Fastness | Soaping | |||
| Fading | Stain | Fading | Stain | Fading | Stain | ||
| C | 1 | 2 | |||||
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