dye|World dye variety

Name:C.I.Solvent Orange 1,C.I.11920

Molecular Structure: Single azo class

C.I.Solvent Orange 1,C.I.11920,CAS 2051-85-6,214.22,C12H10N2O2,Fat Orange G,Fat Orange RR,Oil Orange 4G

Molecular Formula:C₁₂H₁₀N₂O₂

Molecular Weight: 214.22

CAS Registry Number:2051-85-6

Manufacturing Methods :aniline diazotization, and Resorcinol coupling.

Properties and Applications:  yellow orange. Melting point: 150 ~ 157 ℃ (usually not pure). Soluble in ethanol and ether for yellow, slightly soluble in water. In concentrated sulfuric acid for red brown solution, after dilution for yellow brown solution, and then have dark orange precipitation; In the hot 2% sodium hydroxide solution for orange brown. Dye aqueous solution to join concentrated hydrochloric acid color darker, appear light brown precipitation.

List of Suppliers:

Dayglo Solvent Orange 01 ( Day-Glo Color Corp. )

Fat Orange G( Pylam Products Co. Inc. )

Fat Orange RR( Pylam Products Co. Inc. )

Oil Orange 4G( S A Robama )

Sudan Orange G(Simpsons (UK) Ltd)