| Identification | Back Directory | [Name]
2-Hydroxy-5-[(6,8-disulfo-2-naphtyl)azo]benzoic acid trisodium salt | [CAS]
6471-07-4 | [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 | [Molecular Formula]
C17H13N2NaO9S2 | [MOL File]
6471-07-4.mol | [Molecular Weight]
476.41 |
| Hazard Information | Back Directory | [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
|
|
|
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