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Direct Orange 40

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Direct Orange 40 Basic information
Product Name:Direct Orange 40
Synonyms:Direct Orange 40;C.I.Direct Orange 40:C.I.40265
CAS:
MF:
MW:0
EINECS:
Product Categories:
Mol File:Mol File
Direct Orange 40 Structure
Direct Orange 40 Chemical Properties
Safety Information
MSDS Information
Direct Orange 40 Usage And Synthesis
Preparationin reflux conditions (or a little take pressure), in sodium hydroxide solution will be (E)-2-(2-sulfo-4-nitrostyryl)-5-nitrobenzenesulfonic acid with two 4-Aminobenzenesulfonic acid sodium diazotization and 2-Amino-4-methylanisole coupled with product heat.
Properties and Applicationsdark red light orange. Soluble in water for orange to orange brown, slightly soluble in ethanol, insoluble in other organic solvents. The strong sulfuric acid for Gray light purple to blu-ray black, diluted to olive brown for yellow; In nitric acid for yellow olive brown. The dye solution to join strong hydrochloric acid for olive brown to black light brown; Add thick sodium hydroxide solution for orange. Used for cellulose fiber dyeing and printing, also used in leather and paper color
Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 4 3 5 3 2-3
AATCC 5 2 4-5 4-5 2
Direct Orange 40 Preparation Products And Raw materials
Raw materialsSulfanilic acid-->2-Methoxy-5-methylaniline
Tag:Direct Orange 40 Related Product Information
Benzenesulfonic acid, 5-[(4-amino-2,5-dimethylphenyl)azo]-2-methoxy-, monosodium salt, reaction products with 2,2'-(1,2-ethenediyl)bis[5-nitrobenzenesulfonic acid], reduced SIRIUS ORANGE G Direct Orange 4 DIRECT ORANGE 37 Direct Orange 46 Direct Orange 39 C.I. Direct Orange 35