Direct Orange 33
- Molecular Weight: 0
What is Direct Orange 33?
Preparation
4-(4-Aminophenyl)benzenamine double nitriding, respectively with 2-Hydroxybenzoic acid and?3-(3-Methyl-5-oxo-4-,5-dihydropyrazol-1-yl)naphthalene-1,5-disulfonic acid?coupling, 3,3′-Dimethylbenzidine diazo, respectively with the 2,4-Diamino-5-methylbenzenesulfonic acid and 4-Methylsalicylic acid?coupling.
Properties and Applications
yellow orange. Soluble in water for golden brown, soluble in ethanol. The strong sulfuric acid for product red to brown, diluted blue for Tracy.?dye solution was added concentrated hydrochloric light olive brown yellow, with precipitation; adding concentrated sodium hydroxide solution was orange-brown.
| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
| Fading | Stain | Fading | Stain | ||||
| ISO | 3 | 5 | 4 | 1-2 | 1-2 | ||
Safety information for Direct Orange 33
New Products
4-AMINO-TETRAHYDRO-PYRAN-4-CARBOXYLIC ACID 4-Aminotetrahydropyran-4-carbonitrile Hydrochloride (R)-3-Aminobutanenitrile Hydrochloride 4-AMINO-TETRAHYDRO-PYRAN-4-CARBOXYLIC ACID HCL 1,4-Dioxa-8-azaspiro[4.5]decane 5-Bromo-2-nitropyridine SODIUM AAS SOLUTION ZINC AAS SOLUTION BUFFER SOLUTION PH 10.0(BORATE) GOOCH CRUCIBLE SINTERED AQUANIL 5 BERYLLIUM AAS SOLUTION INOSITOL PANTOPRAZOLE SODIUM SESQUIHYDRATE Metformin FLUCLOXACILLIN SODIUM STERILE NIMESULIDE BP ZONISAMIDE 1,1-Dimethylethyl 4-(2-azidoacetyl)-1-piperidinecarboxylate 2-Bromo-1-(bromomethyl)-3-iodo-5-nitrobenzene 1,2-Dibromo-3-(bromomethyl)-5-nitrobenzene 2-Cyano-5-pyrimidineacetonitrile 7-Fluoro-4-cinnolinamine 2-Bromo-1-(bromomethyl)-3-chloro-5-nitrobenzeneRelated products of tetrahydrofuran
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