DIUREA
Biurea
CAS: 110-21-4
Molecular Formula: C2H6N4O2
DIUREA - Names and Identifiers
| Name | Biurea |
| Synonyms | BIUREA Biurea DIUREA Ureidourea dicarbamide ureidoureacarboxamide 1,2-Hydrazinedicarboxamide hydrazine-1,1-dicarboxamide Hydrazine-1,2-dicarboxamide hydrazine-1,2-dicarboxamide N,Nzzhlxy-Dicarbamoylhydrazine |
| CAS | 110-21-4 |
| EINECS | 203-747-2 |
| InChI | InChI=1/C2H6N4O2/c3-1(7)6(5)2(4)8/h5H2,(H2,3,7)(H2,4,8) |
DIUREA - Physico-chemical Properties
| Molecular Formula | C2H6N4O2 |
| Molar Mass | 118.09 |
| Density | 1.6040 |
| Melting Point | 247-250 °C |
| Boling Point | 220.6°C (rough estimate) |
| Flash Point | 153.7°C |
| Solubility | Sulfuric Acid (Sparingly, Heated) |
| Vapor Presure | 0.000165mmHg at 25°C |
| Appearance | Solid |
| Color | White to Off-White |
| pKa | 10.06±0.43(Predicted) |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | 1.4462 (estimate) |
| MDL | MFCD00025398 |
| Physical and Chemical Properties | Melting Point: 247 - 250 |
| Use | For the production of ADC blowing agents |
DIUREA - Risk and Safety
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | 24/25 - Avoid contact with skin and eyes. |
| TSCA | Yes |
| HS Code | 29280000 |
| Hazard Class | IRRITANT |
| Toxicity | LD50 oral in rat: > 2gm/kg |
DIUREA - Reference Information
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| preparation | first dissolve 200mg of hydrazine sulfate in 3mL of acetic acid aqueous solution with a concentration of 0.5mo/L, slowly drop potassium cyanate solution (275mg of potassium cyanate dissolved in 0.93mL of water) into the solution, stir the mixture at room temperature for 4 hours, and transfer the mixture to a 25mL centrifuge tube after the reaction is over, add 2mL of water into the centrifuge tube to crystallize, and separate the precipitate by centrifuge (5000g, 5min). wash the precipitate twice with 2mL of anhydrous ethanol and ether to obtain 150mg of product. the reaction equation is as follows: |
| use | used to produce ADC foaming agent |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 21:54:55
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