Solvent Yellow 16 Sudan Yellow 3G for Oil and Fats

Name:C.I.Solvent Yellow 16,C.I.12700

Molecular Structure: Single azo class

C.I.Solvent Yellow 16,C.I.12700,CAS 4314-14-1,278.31,C16H14N4O7S,Sudan Yellow 146,Solvent Yellow G,Transparent yellow 3GL,Transparent yellow 3GR,Transparent yellow GR,Oil Yellow 205,Oil Yellow 3G

Molecular Formula:C₁₆H₁₄N₄O₇S

Molecular Weight: 278.31

CAS Registry Number:4314-14-1

Manufacturing Methods : aniline diazotization, and 3-Methyl-1-phenyl-1H-pyrazol-5(4H)-one coupling.

Properties and Applications: brilliant green yellow. Product melting point 155 ºC. Soluble in ethanol and Carbon tetrachloride. In concentrated sulfuric acid to green light yellow, after dilution is still green yellow, then to orange, yellow precipitation. Slightly soluble in hot concentrated hydrochloric acid for orange; Slightly soluble in hot 5% sodium hydroxide solution for yellow. Used for resin, transparent lacquer, aluminum foil color