dye|World dye variety

Name:C.I.Solvent Yellow 28,C.I.20010

Molecular Structure: Double azo class

C.I.Solvent Yellow 28,C.I.20010,CAS 5844-01-9,316.36,C19H16N4O,Oil Yellow GS,Oil Yellow 121,Transparent yellow S,Oil Yellow 121

Molecular Formula:C₁₉H₁₆N₄O

Molecular Weight: 316.36

CAS Registry Number:5844-01-9

Manufacturing Methods :  aniline (2 Moore) diazotization and o-Cresol coupling.

Properties and Applications: yellow to orange (mineral oil). Soluble in ethanol and toluene, hardly soluble in water. In concentrated sulfuric acid to red light brown, dilution after dark brown solution, and then have yellow brown precipitation; In hot concentrated hydrochloric acid for yellow brown solution; At 2% hot sodium hydroxide solution for red light brown. Used for alcohol, esters, hydrocarbon solvent, oil and paraffin color.

List of Suppliers:

Transparent yellow S,Oil Yellow 121

Haining Hongyu Chemical Co., Ltd.

Dayglo Solvent Yellow 28( Day-Glo Color Corp. )

Oil Yellow GS( Williams of Hounslow )

Oilsol Yellow GS( Rohm & Haas Co. )