| Identification | Back Directory | [Name]
Sulphur Brown GS | [CAS]
1327-10-2 | [Synonyms]
C.I.53275
Sulfur Brown
Sulphur Brown 7
Sulphur Brown GS
C.I.Sulphur Brown 7
C.I.Sulphur Brown 7:C.I.53275 |
| Hazard Information | Back Directory | [Preparation]
1,8-Dinitronaphthalene with Sodium sulfide solution at 90 ℃ reduction, and and Sodium polysulfide in Copper sulfate monohydrate and Sodium chloride under existing roasting, gradually heating up to 270 ℃ (BIOS 1155, 6) | [Properties and Applications]
dark red light brown. Red brown powder. In the Sodium sulfide solution for red brown; In acetic acid and metal chromium to become red. In the Sodium hydroxide solution partly dissolved, for yellow brown; In concentrated sulfuric acid to dark brown, dilution with brown precipitation. Used for cotton, hemp, viscose fabric 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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4
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5
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4
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4
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3
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