3-Amino-3-pyrazolin-5-one

Modify Date: 2024-01-03 10:51:05

3-Amino-3-pyrazolin-5-one Structure
3-Amino-3-pyrazolin-5-one structure
Common Name 3-Amino-3-pyrazolin-5-one
CAS Number 28491-52-3 Molecular Weight 99.091
Density 1.6±0.1 g/cm3 Boiling Point 479.5±25.0 °C at 760 mmHg
Molecular Formula C3H5N3O Melting Point 204°C
MSDS N/A Flash Point 243.8±23.2 °C

 Names

Name 3-Amino-1,2-dihydropyrazol-5-one
Synonym More Synonyms

 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

~%

3-Amino-3-pyrazolin-5-one Structure

3-Amino-3-pyraz...

CAS#:28491-52-3

Literature: Graham et al. Journal of the American Chemical Society, 1949 , vol. 71, p. 983,987

~%

3-Amino-3-pyrazolin-5-one Structure

3-Amino-3-pyraz...

CAS#:28491-52-3

Literature: Graham et al. Journal of the American Chemical Society, 1949 , vol. 71, p. 983,987

~%

3-Amino-3-pyrazolin-5-one Structure

3-Amino-3-pyraz...

CAS#:28491-52-3

Literature: Hepner; Fajersztejn Bulletin de la Societe Chimique de France, 1937 , vol. <5>4, p. 854,858

~%

3-Amino-3-pyrazolin-5-one Structure

3-Amino-3-pyraz...

CAS#:28491-52-3

Literature: Ishimaru Yakugaku Zasshi, 1957 , vol. 77, p. 800 Chem.Abstr., 1957 , p. 17893

 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%

 Synonyms

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-