| Identification | Back Directory | [Name]
Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis[5-nitro-, disodium salt, reaction products with 4-[(4-amino-1-naphthalenyl)azo]benzenesulfonic acid monosodium salt | [CAS]
1325-65-1 | [Synonyms]
C.I. Direct Red 111
Direct red 111 (C.I. 40290)
C.I.Direct Red 111:C.I.40290
Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis[5-nitro-, disodium salt, reaction products with 4-[(4-amino-1-naphthalenyl)azo]benzenesulfonic acid monosodium salt | [EINECS(EC#)]
215-403-9 |
| Hazard Information | Back Directory | [Preparation]
in reflux conditions (or a little take pressure), in sodium hydroxide solution (E)-2-(2-sulfo-4-nitrostyryl)-5-nitrobenzenesulfonic acid with ?2-Aminobenzenesulfonic acid?diazotization and Naphthalen-1-amine coupled with heating products. Reaction to the different proportion of material that get different commodity dye. | [Flammability and Explosibility]
Nonflammable | [Properties and Applications]
dark red yellow light. Soluble in water for orange brown, slightly soluble in alcohol. The strong sulfuric acid for blue-ray in black and Gray light black, dilute for yellow brown to olive after brown. The dye solution to join strong hydrochloric acid have yellow olive brown precipitation; Add thick sodium hydroxide solution for palm light orange.
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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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4
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5
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5-6
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2-3
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2-3
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AATCC
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2-3
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4
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4-5
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2
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2
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