REACTIVE BROWN 2
REACTIVE BROWN 2 Basic information
- Product Name:
- REACTIVE BROWN 2
- Synonyms:
-
- CIBACRON BROWN 4GR-A
- REACTIVE BROWN 2
- Yellow Brown K-GR
- C.I.Reactive Brown 2:C.I.263160
- MW:
- 0
- Mol File:
- Mol File
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REACTIVE BROWN 2 Usage And Synthesis
Preparation
5-Aminonaphthalene-1,3,6-trisulfonic acid diazo, and?2,5-Dimethylbenzenamine coupling, again diazo, and 5-Aminonaphthalene-2-sulfonic acid coupling, and 2,4,6-Trichloro-1,3,5-triazine condensation, and then ammoniated.
Properties and Applications
orange light brown. Red brown powder, the strong sulfuric acid for black, with precipitation, diluted into brown; In nitric acid for red brown, after diluted into a brown. Water solution is golden brown; Add in 1 Moore sodium hydroxide solution for golden still, continue to join insurance powder and warm turned yellow, join a boric acid sodium into a colourless. Used for cotton or rayon, silk and PVA fabric dyeing and direct printing, resist printing, discharge printing..
Standard | Light Fastness | Oxygen bleaching | Persperation Fastness | Soaping | |||
Fading | Stain | Fading | Stain | Fading | Stain | ||
ISO | 6-7 | 4 | 5 | 5 | 5 |