RESAZURINE REDOX INDICATOR
ETHYL ORANGE
CAS: 62758-12-7
Molecular Formula: C16H18N3NaO3S
RESAZURINE REDOX INDICATOR - Names and Identifiers
| Name | ETHYL ORANGE |
| Synonyms | ETHYL ORANGE EthylOrangeSodium RESAZURINE REDOX INDICATOR Ethyl Orange sodium salt,4-(4-Diethylaminophenylazo)benzenesulfonic acid sodium salt |
| CAS | 62758-12-7 |
| EINECS | 263-716-4 |
RESAZURINE REDOX INDICATOR - Physico-chemical Properties
| Molecular Formula | C16H18N3NaO3S |
| Molar Mass | 355.39 |
| Melting Point | >300°C |
| Boling Point | >300°C |
| Solubility | Solubility Very soluble in water; very slightly soluble in ethanol |
| Appearance | Form Powder, color Orange |
| Color | Orange |
| Maximum wavelength(λmax) | ['474nm'] |
| BRN | 3821641 |
| pKa | 4.34(at 25℃) |
| Use | Use acid-base indicator, pH 3.0 (red)-4.5 (yellow). |
RESAZURINE REDOX INDICATOR - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S24/25 - Avoid contact with skin and eyes. |
| WGK Germany | 3 |
| TSCA | Yes |
| HS Code | 29270000 |
RESAZURINE REDOX INDICATOR - Nature
| solubility | Solubility Very soluble in water; very slightly soluble in ethanol |
| pH range of acid-base indicator discoloration | Red (3.4) to yellow (4.8) |
| maximum wavelength (& lambda;max) | 474nm |
| BRN | 3821641 |
| main applications | Lithographic plate preparation, holographic storage, hybrid materials, inks, surface probes, diagnostic agents for diseases related with amyloid accumulation |
| EPA chemical information | Benzenesulfonic acid, 4-[[4-(diethylamino)phenyl]azo]-, sodium salt (62758-12-7) |
Last Update：2024-04-10 22:29:15
RESAZURINE REDOX INDICATOR - Reference Information
| pH range of acid-base indicator discoloration | Red (3.4) to yellow (4.8) |
| Main application | Lithographic plate preparation, holographic storage, hybrid materials, inks, surface probes, diagnostic agents for diseases related |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | acid-base indicator, pH 3.0 (red)-4.5 (yellow). |
Last Update：2024-04-09 15:16:45
