Solvent Orange 5
Name:C.I.Solvent Orange 5,C.I.18745:1
Molecular Structure: Single azo class
Molecular Formula:C16H13N5O7S
Molecular Weight: 419.37
CAS Registry Number:13463-42-8
Manufacturing Methods :3-Amino-2-hydroxy-5-nitrobenzenesulfonic acid diazotization, with 3-Methyl-1-phenyl-1H-pyrazol-5(4H)-one coupling, and its product (C.I. Mordant Orange 29) at 130 ℃ in Chromium formate in aqueous solution, heating 3 hours, make it into Chromium complex and changed into (2 s) – 1 – (3 – Acetylthio – 2 – methyl – 1 – oxopropyl) – L – proline form.
Properties and Applications: orange. Soluble in water for orange, soluble in ethanol, slightly soluble in Cellosolve. In concentrated sulfuric acid for deep yellow, to orange after diluted; In 10% sodium hydroxide solution for orange solution
Standard | Light Fastness | Heat-resistant(℃) | water | Sodium Carbonate(5%) | Hydrochloric acid(5%) | |
Melting point | Stable | |||||
ISO | WellExcellent | 160 | Well | Dissolve | Slightly soluble |
List of Suppliers:
Alcohol Soluble Orange 2G( Joint Stock Company ‘Coioros’ )
Azosol Fast Orange GA ( Pylam Products Co. Inc. )
Azosol Fast Orange GA(Classic Dyestuffs Inc)
Neozapon Orange 244 ( Pylam Products Co. Inc. )
Orange 2G for Aluminium ( Joint Stock Company ‘Coioros’ )
Technosol Fast Orange G( Cosmonaut. Chemicals )
Zapon Fast Orange G( Pylam Products Co. Inc. )