Acid Yellow 158:1
Name:C.I.Acid Yellow 158:1
Molecular Structure: Single azo class
Molecular Formula:C25H16Cl2N9Na3O11S3
Molecular Weight: 854.52
CAS Registry Number:
Manufacturing Methods : 2,5-Diaminobenzenesulfonic acid first and 2,4,6-Trichloro-1,3,5-triazine condensation, and again 3-Aminobenzenesulfonic acid condensation, and then diazo, and 2,5-Bichloro-4-(3-methyl-5-oxo-4,5-dihydropyrazol-1-yl)benzenesulfonic acid coupling, and finally hydrolysis.
Properties and Applications: green light yellow. Yellow evenly powder. Soluble in water, solubility than 50 g/L (50 ℃). Can be used for wool and polyamide fiber fabric dyeing.
List of Suppliers:
Neutral Brilliant Yellow S-5GLQingdao Double Peach Specialty Chemicals (Group) Co., Ltd.,
Acidol Brilliant Yellow M-5GL( BASF Aktiengesellschaft )
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