1,5-Diphenylcarbazide (DPC) is an organic carbazide compound, commonly used as an analytical reagent in chemical laboratories. It is structurally related to diphenylcarbazone and can be readily converted to this compound through oxidation. Due to its excellent redox and color-forming properties, it is widely employed as a redox indicator and colorimetric reagent for the detection and determination of various metal ions. It is known particularly for the red-violet complex it forms with chromium and is used in analytical chemistry, environmental testing, and laboratory research.
CAS No.- 140-22-7
Synonyms: DIPHENYLCARBAZIDE, SYM-DIPHENYLCARBAZIDE, Diphenylcartazide, DIPHENYL CARBAZIDE
| Physical Properties | |
| Chemical formula | C13H14N4O |
| IUPAC Name | N′,2-Diphenylhydrazine-1-carbohydrazide |
| Molecular weight | 242.28 g/mol |
| Solubility | Slightly soluble in water |
| Appearance | Off-white to pink to beige powder or crystals |
| Density | 1.31 g/cm3 |
| Storage | Store in a cool, dry, dark place at 2°C to 8°C |
| Chemical Properties | |
| Color | White powder |
| Physical State at 20 °C | Solid |
| Melting Point | 173 – 176 °C |
| Odor | Odorless |
| Pictograms : |  |
| Hazard Statements : | H315: Causes skin irritation. H319: Causes serious eye irritation. H335: May cause respiratory irritation. |
| Precautionary statements : | P261: Avoid breathing dust/fume/gas/mist/vapours/spray. P264: Wash thoroughly after handling. P312: Call a POISON CENTER/doctor if you feel unwell. P332+P313: If skin irritation occurs: Get medical advice/attention. P403+P233: Store in a well-ventilated place. Keep container tightly closed. P405 Store locked up.   |
1,5-Diphenylcarbazide (DPC) is an organic carbazide compound, commonly used as an analytical reagent in chemical laboratories. It is structurally related to diphenylcarbazone and can be readily converted to this compound through oxidation. Due to its excellent redox and color-forming properties, it is widely employed as a redox indicator and colorimetric reagent for the detection and determination of various metal ions. It is known particularly for the red-violet complex it forms with chromium and is used in analytical chemistry, environmental testing, and laboratory research.
CAS No.- 140-22-7
Synonyms: DIPHENYLCARBAZIDE, SYM-DIPHENYLCARBAZIDE, Diphenylcartazide, DIPHENYL CARBAZIDE
| Physical Properties | |
| Chemical formula | C13H14N4O |
| IUPAC Name | N′,2-Diphenylhydrazine-1-carbohydrazide |
| Molecular weight | 242.28 g/mol |
| Solubility | Slightly soluble in water |
| Appearance | Off-white to pink to beige powder or crystals |
| Density | 1.31 g/cm3 |
| Storage | Store in a cool, dry, dark place at 2°C to 8°C |
| Chemical Properties | |
| Color | White powder |
| Physical State at 20 °C | Solid |
| Melting Point | 173 – 176 °C |
| Odor | Odorless |
| Pictograms : | |
| Hazard Statements : | H315: Causes skin irritation. H319: Causes serious eye irritation. H335: May cause respiratory irritation. |
| Precautionary statements : | P261: Avoid breathing dust/fume/gas/mist/vapours/spray. P264: Wash thoroughly after handling. P312: Call a POISON CENTER/doctor if you feel unwell. P332+P313: If skin irritation occurs: Get medical advice/attention. P403+P233: Store in a well-ventilated place. Keep container tightly closed. P405 Store locked up.   |
1,5-Diphenylcarbazide is primarily used for the colorimetric determination of chromium (VI), detection of heavy metals, iron titration, and analytical laboratory testing.
1,5-Diphenylcarbazide reacts with chromium (VI) and get oxidized to diphenylcarbazone, which forms a stable red-violet complex. This reaction has been widely employed for the photometric determination of chromium.
1,5-Diphenylcarbazide is widely used in analytical and environmental laboratories for the determination of heavy metals such as chromium, mercury, cadmium, osmium, rubidium, and technetium.
1,5-Diphenylcarbazide is mainly used in the determination of chromium (VI) is based on its reaction to form a red-violet complex which can be measured by spectrophotometric or colorimetric methods.
