Direct Orange 40
- Product Name
- Direct Orange 40
- Chemical Name
- Direct Orange 40
- Synonyms
- Direct Orange 40;C.I.Direct Orange 40:C.I.40265
- CBNumber
- CB99703002
- Formula Weight
- 0
- MOL File
- Mol file
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Direct Orange 40 Chemical Properties,Usage,Production
Preparation
in 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 Applications
dark 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 materials
Preparation Products
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Direct Orange 40 Suppliers
Direct Orange 40Related Search:
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
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