assay
98%
mp
223-225 °C (lit.)
solubility
1 M NH4OH: soluble 25 mg/mL, clear, colorless (in methanol)
SMILES string
CC1=CC(=O)NN1
InChI
1S/C4H6N2O/c1-3-2-4(7)6-5-3/h2H,1H3,(H2,5,6,7)
InChI key
WGVHNCAJPFIFCR-UHFFFAOYSA-N
General description
3-Methyl-3-pyrazolin-5-one is an intermediate in the synthesis of heterocyclic compounds. Crystal structure of 3-methyl-3-pyrazolin-5-one was studied.
Application
3-Methyl-3-pyrazolin-5-one was used in the preparation of substituted 4-alkyl(cycloalkyl)-2-amino-3-cyano-4H-pyrans.
signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
存储类别
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves