| Identification | Back Directory | [Name]
sodium 5-[(2-hydroxynaphthyl)azo]naphthalenesulphonate | [CAS]
5850-93-1 | [Synonyms]
Red AR
C.I.15625
Acid Red 141
C.I.Acid Red 141
C.I.Acid Red 141:C.I.15625
sodium 5-[(2-hydroxynaphthyl)azo]naphthalenesulphonate
5-[(2-Hydroxy-1-naphthalenyl)azo]-1-naphthalenesulfonic acid sodium salt
sodium 5-[(2-hydroxynaphthyl)azo]naphthalenesulphonate ISO 9001：2015 REACH | [EINECS(EC#)]
227-460-7 | [Molecular Formula]
C20H13N2NaO4S | [MDL Number]
MFCD30720178 | [MOL File]
5850-93-1.mol | [Molecular Weight]
400.383 |
| Hazard Information | Back Directory | [Preparation]
5-Aminonaphthalene-1-sulfonic acid diazo, and Naphthalen-2-ol coupling. | [Properties and Applications]
red. Soluble in hot water for red, slightly soluble in cold water and ethanol. The strong sulfuric acid to red light purple, diluted precipitation is brown; In nitric acid solution for yellow brown; In a dilute sodium hydroxide solution for yellow brown solution. In water solution to join hydrochloric acid with brown precipitation; Add sodium hydroxide solution to become yellow.
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Standard
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Light Fastness
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Soaping
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Persperation Fastness
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Oxygen bleaching
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Fastness to seawater
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Fading
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Stain
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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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2-3
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2
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1
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3
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1
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1
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2
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3
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