Product Name: 1,3-Dimethyl-5-pyrazolone
Synonyms: 1,3-Dimethyl-5-pyrazolone,97%;2,5-dimethyl-4H-pyrazol-3-one;2,4-Dihydro-2,5-dimethyl-3H-pyrazol-3-one 95%;1,3-Dimethyl-5-pyraz;1,3-Dimethylpyrazol-5(4H)-one;1,3-diMethyl-5-pyrozolone;NSC 304;2,5-DiMethyl-1H-pyrazol-3(2H)-one
CAS: 2749-59-9
MF: C5H8N2O
MW: 112.13
EINECS: 220-389-2
Product Categories: Heterocycles;Miscellaneous Reagents;Intermediates of Dyes and Pigments;Pyrazole;Pyrazoles & Triazoles
Mol File: 2749-59-9.mol
1,3-Dimethyl-5-pyrazolone Structure
1,3-Dimethyl-5-pyrazolone Chemical Properties
Melting point 117°C
Boiling point 210.05°C (rough estimate)
density 1.1524 (rough estimate)
refractive index 1.4730 (estimate)
storage temp. Refrigerator
pka 2.93±0.50(Predicted)
Water Solubility almost transparency
InChIKey JXPVQFCUIAKFLT-UHFFFAOYSA-N
CAS DataBase Reference 2749-59-9(CAS DataBase Reference)
NIST Chemistry Reference 3H-Pyrazol-3-one, 2,4-dihydro-2,5-dimethyl-(2749-59-9)
EPA Substance Registry System 3H-Pyrazol-3-one, 2,4-dihydro-2,5-dimethyl- (2749-59-9)
Safety Information
Hazard Codes Xi
Risk Statements 36/37/38
Safety Statements 26-36/37/39
Hazard Note Irritant
China