|
|
| | 2-Hydroxy-5-[(4,8-disulfo-2-naphtyl)azo]benzoic acid trisodium salt Basic information |
| | 2-Hydroxy-5-[(4,8-disulfo-2-naphtyl)azo]benzoic acid trisodium salt Chemical Properties |
| | 2-Hydroxy-5-[(4,8-disulfo-2-naphtyl)azo]benzoic acid trisodium salt Usage And Synthesis |
| Preparation | 3-Aminonaphthalene-1,5-disulfonic acid diazotization, and 2-Hydroxybenzoic acidcoupling. | | Properties and Applications | red light yellow. Soluble in water for yellow, not soluble in organic solvent. In concentrated sulfuric acid for yellow orange; In concentrated hydrochloric acid for yellow orange.
|
Standard
|
Ironing Fastness
|
Light Fastness
|
Fulling
|
Persperation Fastness
|
Soaping
|
Water
|
|
Alkali
|
Acid
|
|
ISO
|
4
|
5
|
4
|
|
5
|
4-5
|
5
|
|
| | 2-Hydroxy-5-[(4,8-disulfo-2-naphtyl)azo]benzoic acid trisodium salt Preparation Products And Raw materials |
|