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| | ETHYL RED Basic information |
| Product Name: | ETHYL RED | | Synonyms: | DIETHYL RED;ETHYL RED;LABOTEST-BB LT00452774;2-[4-(DIETHYLAMINO)PHENYLAZO]BENZOIC ACID;4-(DIETHYLAMINO)AZOBENZENE-2'-CARBOXYLIC ACID;ETHYL RED 97%;Ethyl Red, pure;Ethyl Red [not Cyanin dyes] | | CAS: | 76058-33-8 | | MF: | C17H19N3O2 | | MW: | 297.35 | | EINECS: | 999-999-2 | | Product Categories: | Azo | | Mol File: | 76058-33-8.mol |  |
| | ETHYL RED Chemical Properties |
| Melting point | 135 °C | | Boiling point | 438.86°C (rough estimate) | | density | 1.0871 (rough estimate) | | refractive index | 1.6500 (estimate) | | solubility | Solubility Almost insoluble in water; slightly soluble in ethanol, soluble in benzene | | form | powder | | pka | 5.42(at 25℃) | | color | Red | | PH Range | Red (4.5) to yellow (6.5) | | λmax | 447nm | | BRN | 3366056 | | Major Application | Optical materials, photoresists, flexible electronic circuitry, adhesives, textiles, method for counting leukocytes, enzyme binding assays, DNA chips | | CAS DataBase Reference | 76058-33-8(CAS DataBase Reference) |
| | ETHYL RED Usage And Synthesis |
| Chemical Properties | dark red powder | | Uses | Indicator: pH 4.5 (red) to pH 6.5 (yellow) | | Purification Methods | Ethyl Red [2-(4-diethylaminophenylazo)benzoic acid] M 297.4, m 135o, 150-1 5 2o, pK1 2.5, pK2 9.5. Crystallise the acid dye from EtOH/diethyl ether or toluene. It is an indicator: pH 4.4 (red) and 6.2 (yellow). UV: max 447nm. [Beilstein 16 I 316.] |
| | ETHYL RED Preparation Products And Raw materials |
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