7164-43-4
5-aminoorotic acid
CAS: 7164-43-4
Molecular Formula: C5H5N3O4
7164-43-4 - Names and Identifiers
7164-43-4 - Physico-chemical Properties
| Molecular Formula | C5H5N3O4 |
| Molar Mass | 171.11 |
| Density | 1.700±0.06 g/cm3(Predicted) |
| Melting Point | >300 °C (lit.) |
| Boling Point | 632.8°C at 760 mmHg |
| Flash Point | 336.5°C |
| Vapor Presure | 6.97E-17mmHg at 25°C |
| Appearance | Pale yellow powder |
| Color | White to Amber |
| pKa | 0.53±0.20(Predicted) |
| Storage Condition | 2-8℃ |
| Refractive Index | 1.605 |
| MDL | MFCD00010563 |
7164-43-4 - 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. S36/37/38 - |
| WGK Germany | 3 |
| RTECS | RM3190000 |
| HS Code | 29335990 |
7164-43-4 - Reference Information
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | can be used as pharmaceutical intermediates. |
| production method | is derived from the reduction of sodium nitroorotate. There are two methods for the production of sodium nitroorotate, starting with thiourea and urea respectively. Starting from thiourea, sodium nitroorotate is obtained by cyclization, nitration and oxidation; Starting from urea, sodium nitroorotate is obtained by condensation, cyclization, nitration and oxidation; amino orotic acid was obtained by reduction of sodium nitroorotate. |
Last Update：2024-04-09 21:54:55
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