ChemicalBook > CAS DataBase List > 2-Hydroxy-5-[(6,8-disulfo-2-naphtyl)azo]benzoic acid trisodium salt
2-Hydroxy-5-[(6,8-disulfo-2-naphtyl)azo]benzoic acid trisodium salt
- Product Name
- 2-Hydroxy-5-[(6,8-disulfo-2-naphtyl)azo]benzoic acid trisodium salt
- CAS No.
- 6471-07-4
- Chemical Name
- 2-Hydroxy-5-[(6,8-disulfo-2-naphtyl)azo]benzoic acid trisodium salt
- Synonyms
- C.I.14110;Einecs 229-306-4;C.I.Mordant Yellow 20;C.I.Mordant Yellow 20:C.I.14110;2-Hydroxy-5-[(6,8-disulfo-2-naphtyl)azo]benzoic acid trisodium salt;Benzoic acid, 5-((6,8-disulfo-2-naphthalenyl)azo)-2-hydroxy-, trisodium salt;Benzoic acid, 5-(2-(6,8-disulfo-2-naphthalenyl)diazenyl)-2-hydroxy-, sodium salt (1:3);(3E)-3-[(6,8-disulfonatonaphthalen-2-yl)hydrazinylidene]-6-oxocyclohexa-1,4-diene-1-carboxylate;trisodium,(3E)-3-[(6,8-disulfonatonaphthalen-2-yl)hydrazinylidene]-6-oxocyclohexa-1,4-diene-1-carboxylate
- CBNumber
- CB62169491
- Molecular Formula
- C17H13N2NaO9S2
- Formula Weight
- 476.41
- MOL File
- 6471-07-4.mol
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2-Hydroxy-5-[(6,8-disulfo-2-naphtyl)azo]benzoic acid trisodium salt Property
- EPA Substance Registry System
- Benzoic acid, 5-[(6,8-disulfo-2-naphthalenyl)azo]-2-hydroxy-, trisodium salt (6471-07-4)
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2-Hydroxy-5-[(6,8-disulfo-2-naphtyl)azo]benzoic acid trisodium salt Chemical Properties,Usage,Production
Preparation
7-Aminonaphthalene-1,3-disulfonic acid diazotization, and 2-Hydroxybenzoic acid coupling.
Properties and Applications
dark red light yellow. Soluble in water for green light yellow, insoluble in other organic solvent. In concentrated sulfuric acid for brown light orange, dilution after green yellow. Dye aqueous solution and concentrated hydrochloric acid for yellow; Sodium hydroxide solution with strong to orange.
| Standard | Ironing Fastness | Light Fastness | Fulling | Persperation Fastness | Soaping | Water | |
| Alkali | Acid | ||||||
| ISO | 4 | 5 | 4 | 5 | 5 | 5 | |
| AATCC | 4 | 6 | 4-5 | 5 | 5 | 5 | |
2-Hydroxy-5-[(6,8-disulfo-2-naphtyl)azo]benzoic acid trisodium salt Preparation Products And Raw materials
Raw materials
Preparation Products
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