Name | 4-Amino-1H-pyrazole |
Synonyms | AKOS PAO-0001 4-AMINOPYRAZOLE 1H-Pyrazol-4-amine 1H-pyrazol-4-amine 4-AMINO-1H-PYRAZOLE 1H-Pyrazole-4-amine H-PYRAZOL-4-YLAMINE 4-Amino-1H-pyrazole 1H-PYRAZOL-4-YLAMINE |
CAS | 28466-26-4 |
EINECS | 625-292-2 |
InChI | InChI=1/C3H5N3/c4-3-1-5-6-2-3/h1-2H,4H2,(H,5,6) |
InChIKey | AXINVSXSGNSVLV-UHFFFAOYSA-N |
Molecular Formula | C3H5N3 |
Molar Mass | 83.09 |
Density | 1.0248 (rough estimate) |
Melting Point | 75-77°C |
Boling Point | 142.17°C (rough estimate) |
Flash Point | 182.569°C |
Vapor Presure | 0mmHg at 25°C |
Appearance | powder to crystal |
Color | White to Brown to Dark purple |
pKa | 17.70±0.50(Predicted) |
Storage Condition | Keep in dark place,Inert atmosphere,Store in freezer, under -20°C |
Sensitive | Hygroscopic |
Refractive Index | 1.5060 (estimate) |
MDL | MFCD01693729 |
Risk Codes | R22 - Harmful if swallowed R36/37/38 - 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. S36/37 - Wear suitable protective clothing and gloves. |
WGK Germany | 3 |
RTECS | UQ4993000 |
Hazard Class | IRRITANT |
NIST chemical information | Information provided by: webbook.nist.gov (external link) |