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| OEM | OEM Services Provided |
| Feature | Good stability,Easy to Use |
| Classification | Dyes and Pigments |
| Advantage | Professional, Fast Delivery, Customizable | Samples | Apply for free，Contact us now. |
| Product Name: | Direct Orange 46 |
| Synonyms: | Direct Fast Orange EG;Direct Fast Orange EGL;Paranol Orange EGL;2,2'-(1,2-Ethenediyl)bis[5-nitrobenzenesulfonic acid reaction products with methylated 4-[(4-aminophenyl)azo]benzenesulfonic acid monosodium salt;C.I. 40230;Direct Orange 36;Direct Orange 44;Direct Orange 34 |
| CAS: | 12222-37-6 |
| MF: | Unspecified |
| MW: | 0 |
| EINECS: | 235-415-8 |
| Product Categories: | |
| Mol File: | Mol File |
| Preparation | in reflux conditions, sodium hydroxide solution in (E)-2-(2-sulfo-4-nitrostyryl)-5-nitrobenzenesulfonic acid sodium salt with 4-Aminobenzenesulfonic acid sodium diazo with aniline coupled with product heating (40215). In reflux conditions, sodium hydroxide solution in (E)-2-(2-sulfo-4-nitrostyryl)-5-nitrobenzenesulfonic acid??sodium salt with ?4-Aminobenzenesulfonic acid?sodium diazotization and a product matches m-Toluidine, molecular than 1:1. The proportion of 75 under heating together (40220). | |||||||||||||||||||||||||||
red light orange. The dye soluble in water for golden brown, slightly soluble in ethanol for subtle stitching light yellow. In the strong sulfuric acid as dark blue, with golden yellow diluted. Dyes in aqueous solution strong hydrochloric acid for yellow olive brown, have precipitation; Sodium hydroxide solution in a brown light orange precipitation. Can be used for cotton, silk, wool and their blended fabric dyeing and printing, also can be used for leather and paper shading, its heavy metal salt can be used as organic pigments. Good Exhaust dyeing.
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| Raw materials | Sulfanilic acid-->m-Toluidine-->Aniline-->2,5-Dimethylaniline |
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