Molecular Formula | C6H12N2O4 |
Molar Mass | 176.17 |
Density | 1.3240 |
Melting Point | 131-133°C(lit.) |
Boling Point | 250°C(lit.) |
BRN | 1781585 |
pKa | 8.81±0.43(Predicted) |
Refractive Index | 1.4500 (estimate) |
Physical and Chemical Properties | White crystal. Melting point 132-134 ℃, boiling point 250 ℃. |
Safety Description | S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. |
WGK Germany | 3 |
EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
Use | organic synthesis intermediates. |
production method | a mixture of 85% hydrazine hydrate and 95% ethanol was cooled to 10 °c, the ethyl chloroformate and the sodium carbonate solution were added dropwise with stirring, and the feeding rate was controlled to keep the ethyl chloroformate in excess, and the addition was completed before the sodium carbonate solution, and the feeding temperature was maintained at 20 ° C. Or higher. After addition, the reaction was continued with stirring for 0.5h, the precipitate was filtered off, washed thoroughly with water and then dried under vacuum at 80 ° C. To obtain a finished product with a yield of 81-85%. |