Polfalan Yellow PA-GL
Acid Yellow 128
CAS: 51053-43-1
Molecular Formula: C16H16N4O5S
Polfalan Yellow PA-GL - Names and Identifiers
| Name | Acid Yellow 128 |
| Synonyms | Dark Yellow GL Acid Yellow 128 NEUTER YELLOW GL Polfalan Yellow GL Cibalan Yellow FGL Polfalan Yellow PA-GL Neutral Deep Yellow GL Youhaoneuter Yellow GL. |
| CAS | 51053-43-1 |
Polfalan Yellow PA-GL - Physico-chemical Properties
| Molecular Formula | C16H16N4O5S |
| Molar Mass | 376.38 |
| Physical and Chemical Properties | Chemical properties yellowish brown powder. The aqueous solution is pale yellow colloid. It is yellow in concentrated sulfuric acid and light yellow solution after dilution. It does not change color in concentrated hydrochloric acid, and is a light yellow solution after dilution. It is destroyed in concentrated nitric acid, and the residue is yellow; it is light yellow in dilute nitric acid. It is yellow in concentrated sodium hydroxide solution and light yellow after dilution. |
| Use | Uses neutral deep yellow GL is mainly used for dyeing wool, silk and nylon in neutral or weak acid dyeing bath, and dyeing of vinylon in neutral dyeing bath, and also used for direct printing of wool, silk and nylon fabric. Used for wool and other fibers in the same bath dyeing, nylon color is deep and red, silk slightly shallow, cotton, viscose fiber, two acetic acid fiber does not stain. Can also be used for leather dyeing. |
Polfalan Yellow PA-GL - Upstream Downstream Industry
| Raw Materials | Cobalt chloride Acetoacetanilide 3-Amino-4-hydroxybenzenesulphonamide Acetoacetanilide 3-Amino-4-hydroxybenzenesulphonamide |
Polfalan Yellow PA-GL - Production method
using 2-aminophenol-4-sulfonamide and acetanilide as raw materials, the former is first diazotized, then coupled with the latter, filtered after cobalt chloride complexation, and dried to obtain the finished product.
Last Update：2024-04-10 22:29:15
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Spot supply
Product Name: ACID YELLOW 128 Visit Supplier Webpage Request for quotationCAS: 51053-43-1
Tel: +86 0571-86722205
Email: sales@chinaskyrun.com
Mobile: +8618958170122
QQ: 2531159185
Wechat: chinaskyrun
View History
Raw Materials for Polfalan Yellow PA-GL
Cobalt chloride
Acetoacetanilide
3-Amino-4-hydroxybenzenesulphonamide
Acetoacetanilide
3-Amino-4-hydroxybenzenesulphonamide
Acetoacetanilide
3-Amino-4-hydroxybenzenesulphonamide
Acetoacetanilide
3-Amino-4-hydroxybenzenesulphonamide