| Identification | Back Directory | [Name]
Sulphur Brown 4 | [CAS]
1326-90-5 | [Synonyms]
C.I. 53210
Thiocutch 2JS
Thiocutch JRS
Diresul Brown R
Dark Brown GD
Sofral Brown CGN
Sulphur Brown 4
Sulfanol Olive TR
Pirocard Brown CGN
Sofral Dark Brown CRN
Thionol Black Brown R
Sulphur Dark Brown GD. |
| Hazard Information | Back Directory | [Uses]
Sulphur Brown 4 is mainly used for dyeing cotton, linen, viscose fibers and their fabrics, and also for dyeing vinylon and vinylon-cotton blends. It has poor leveling properties. It is also used for blending dark coffee color. | [Preparation]
coarse Cresol or m-Cresol and Sodium polysulfide in 270 ~ 275 ℃ calcination, add or do not add Copper sulfate monohydrate all can. | [Properties and Applications]
brown light olive to yellow brown. Brown hydroscopicity powder. There are dark brown in hydrochloric acid precipitation; In concentrated Sodium hydroxide solution for blue light green. Used for cotton, hemp, viscose and vinylon/cotton blended fabric dyeing, and sometimes also used in leather dyeing.
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Standard
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Acid Resistance
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Alkali Resistance
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Light Fastness
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Fulling
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Persperation Fastness
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Soaping
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Moderate
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Severe
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ISO
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4
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3
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3-4
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4-5
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4
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3-4
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