| Name | Phenylazoformic acid 2-phenylhydrazide |
| Synonyms | Diphenylcarbazone Diphenyl carbazone 1,5-DIPHENYLCARBAZONE SYM-DIPHENYLCARBAZONE (E)-1,5-diphenylcarbazone (contains Diphenylcarbazide) Diphenylcarbazone, for analysis (E)-N',2-diphenyldiazenecarbohydrazide Phenylazoformic acid 2-phenylhydrazide 1-Phenyl-2-[hydroxy(phenylazo)methylene]hydrazine Diphenylcarbazone Compound with s-Diphenylcarbazide, Reagent |
| CAS | 538-62-5 |
| EINECS | 208-698-0 |
| InChI | InChI=1/C13H12N4O/c18-13(16-14-11-7-3-1-4-8-11)17-15-12-9-5-2-6-10-12/h1-10,14H,(H,16,18)/b17-15- |
| Molecular Formula | C13H12N4O |
| Molar Mass | 240.26 |
| Density | 1.19±0.1 g/cm3 (20 ºC 760 Torr) |
| Melting Point | 119-123°C(lit.) |
| Boling Point | 382.98°C (rough estimate) |
| Water Solubility | Soluble in acetone. Insoluble in water. |
| Solubility | DMSO (Slightly), Methanol (Slightly) |
| Appearance | Powder |
| Color | Orange |
| Merck | 14,3322 |
| pKa | 9.83±0.43(Predicted) |
| Storage Condition | 2-8°C |
| Sensitive | Easily absorbing moisture |
| Refractive Index | 1.6120 (estimate) |
| MDL | MFCD00003024 |
| Physical and Chemical Properties | Orange-red needle-like crystals. Melting point 157 °c (decomposition). Soluble in alcohol, chloroform and benzene, insoluble in water. |
| Use | Used as analytical reagents, chromatographic analysis reagents, adsorption indicators and complexing indicators |
| Risk Codes | R22 - Harmful if swallowed R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| UN IDs | 1325 |
| WGK Germany | 3 |
| RTECS | LQ9420000 |
| FLUKA BRAND F CODES | 10-21 |
| TSCA | Yes |
| HS Code | 29280000 |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| Use | Used as analytical reagent, chromatographic analysis reagent, adsorption indicator and complexation indicator Reagent for determination of many metals, used for verification of cadmium; Chromium; Copper; Iron; Mercury; Molybdenum; Lead; Zinc. |
| Production method | It is obtained by condensation of phenylhydrazine and urea, and then oxidation with hydrogen peroxide. |