dye|World dye variety

Name:C.I.Acid Yellow 4,C.I.18695

Molecular Structure: Single azo class

380.35, C.I.18695, C.I.Acid Yellow 4, C16H13N4NaO4S, CAS 6359-74-6, Tartrazine J, Yellow RN

Molecular Formula:C₁₆H₁₃N₄NaO₄S
Molecular Weight: 380.35

CAS Registry Number:6359-74-6

Manufacturing Methods : 4-Aminobenzenesulfonic acid diazo, and 3-Methyl-1-phenyl-1H-pyrazol-5(4H)-one coupling.

Properties and Applications: red light yellow. Used for wool and silk dyeing. The heavy metal salt used as organic pigments.

List of Suppliers:

AcidFast Yellow RN (Colorom SA)

Eniacel Tartrazine J ( Enia Industries Quimicas S.A. )