| Identification | Back Directory | [Name]
Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis[5-nitro-, reaction products with 3-[(4-aminophenyl)azo]benzenesulfonic acid monosodium salt | [CAS]
1325-53-7 | [Synonyms]
C.I.Direct Orange 61:C.I.40210
Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis[5-nitro-, reaction products with 3-[(4-aminophenyl)azo]benzenesulfonic acid monosodium salt | [EINECS(EC#)]
215-396-2 |
| Hazard Information | Back Directory | [Preparation]
in reflux conditions, sodium hydroxide solution in (E)-2-(2-sulfo-4-nitrostyryl)-5-nitrobenzenesulfonic acid?with 3-Aminobenzenesulfonic acid sodium diazo with aniline?coupled with heating products. | [Properties and Applications]
yellow orange. Soluble in water for orange. The strong sulfuric acid for purple, yellow as diluted. The dye solution to join hydrochloric acid color becomes dark; Add sodium hydroxide have orange precipitation. Used for cellulose fiber dyeing, leather and paper color. 80 ℃ dyeing, the largest of the cellulose fibre affinity, good levelness.
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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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Soaping
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Water
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Fading
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Stain
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Fading
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Stain
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ISO
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3-4
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5
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6
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2-3
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2
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