3-Amino-3-pyrazolin-5-one
Names
[ CAS No. ]:
28491-52-3
[ Name ]:
3-Amino-3-pyrazolin-5-one
[Synonym ]:
5-Amino-1,2-dihydro-3H-pyrazol-3-one
3-amino-5-pyrazole
(−)-Selagine
5-Amino-1,2-dihydro-pyrazol-3-on
5-amino-3-pyrazolone
5-Amino-1H-pyrazol-3(2H)-one
3-Amino-1H-pyrazol-5-ol
Huperzine A
3-aminopyrazol-5-one
5-amino-1,2-dihydropyrazol-3-one
5-Amino-3-hydroxy-1H-pyrazole
(−)-Huperzine A
5-amino-3-pyrrazolone
(-)-Huperzine A
3-Amino-5-pyrazolone
3-Amino-3-pyrazolin-5-one
3H-Pyrazol-3-one, 5-amino-1,2-dihydro-
Chemical & Physical Properties
[ Density]:
1.6±0.1 g/cm3
[ Boiling Point ]:
479.5±25.0 °C at 760 mmHg
[ Melting Point ]:
204°C
[ Molecular Formula ]:
C3H5N3O
[ Molecular Weight ]:
99.091
[ Flash Point ]:
243.8±23.2 °C
[ Exact Mass ]:
99.043259
[ PSA ]:
74.67000
[ LogP ]:
-0.22
[ Vapour Pressure ]:
0.0±1.2 mmHg at 25°C
[ Index of Refraction ]:
1.741
[ Storage condition ]:
2-8°C
Safety Information
[ Hazard Codes ]:
Xi
[ HS Code ]:
2933199090
Synthetic Route
Precursor & DownStream
Precursor
DownStream
Customs
[ HS Code ]: 2933199090
[ Summary ]:
2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%