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 |
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| Basic Brown |
| Alias：Basic Brown G |
| Color index：C.I. Basic Brown 1（21000） |
| English name：Basic Brown；Basazol Brown 43L（BASF）；Basazol Brown 43P（BASF）；Bismarck Brown G（CNC、NSK）；Shangdacry Brown G （SHD）；Vesuvine R（CGY）. |
Structural formula： |
 |
Process flows ： |
 |
| Characters：brown powder, soluble in water and slightly soluble in alcohol. Insoluble in benzene, acetone and others. |
| Quality standard Q/HG2—183—88 |
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Index name |
Index |
Apperance strength，separated coloured light fineness（60 meshes residue content），% moisture content，% impurity content insoluble in water，% |
deep brown equal powder 100±3 of standard products similar to standard products ≤5 ≤6 ≤1.5 |
|
| Use：used for dyeing in silk, wool and others, and used in leather dyeing, solvent dyeing and others. |
| Application performance：Colour fastness(grade) in cotton： |
Solarization |
Soaping |
Water leaching |
Perspiration |
Ironing |
Friction |
Acid and alkali resistance |
fading |
staining |
fading |
staining |
fading |
staining |
dry |
wet |
sulphuric acid |
ethylic acid |
sodium carbonate |
1 |
3～4 |
3 |
4 |
3 |
3～4 |
2～3 |
1 |
4 |
3～4 |
3～4 |
2～3 |
4～5 |
|
| Colour fastness(grade) in acrylic fibers： |
Solarization |
Perspiration |
Soaping |
Friction |
Ironing |
Dry cleaning |
Water leaching |
dry |
wet |
1～2 |
4～5
|
4
|
3～4 |
3～4 |
4 |
4 |
4～5 |
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