3-Amino-4-pyrazolecarboxylic acid
3-Amino-4-pyrazolecarboxylic acid structure
|
Common Name | 3-Amino-4-pyrazolecarboxylic acid | ||
|---|---|---|---|---|
| CAS Number | 41680-34-6 | Molecular Weight | 127.101 | |
| Density | 1.7±0.1 g/cm3 | Boiling Point | 502.7±35.0 °C at 760 mmHg | |
| Molecular Formula | C4H5N3O2 | Melting Point | 135 °C (dec.)(lit.) | |
| MSDS | Chinese USA | Flash Point | 257.8±25.9 °C | |
| Symbol |
GHS07 |
Signal Word | Warning | |
|
Complex network of hydrogen bonds in 3-aminopyrazole-4-carboxylic acid.
Acta Crystallogr. C 54 ( Pt 2) , 253-6, (1998) 3-Aminopyrazole-4-carboxylic acid, C4H5N3O2, crystallized in the non-centrosymmetric space group P21 in the zwitterionic form. Intermolecular N--H...O hydrogen bonds with N...O distances of 2.768 (2) and 2.747 (2) A link molecules into two sets of chains prop... |
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