| Company Name: |
Alfa Chemistry |
| Tel: |
1-516-6625404 |
| Email: |
support@alfa-chemistry.com |
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| | Sulphur Brown 4 Basic information |
| Product Name: | Sulphur Brown 4 | | Synonyms: | Sulphur Brown 4;Thionol Black Brown R;C.I. 53210;Diresul Brown R;Pirocard Brown CGN;Sofral Brown CGN;Sofral Dark Brown CRN;Sulfanol Olive TR | | CAS: | 1326-90-5 | | MF: | | | MW: | 0 | | EINECS: | | | Product Categories: | | | Mol File: | Mol File | ![Sulphur Brown 4 Structure]() |
| | Sulphur Brown 4 Chemical Properties |
| | Sulphur Brown 4 Usage And Synthesis |
| 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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| | Sulphur Brown 4 Preparation Products And Raw materials |
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