5-Methyl-1,3,4-oxadiazole-2-(3H)-one

Name	5-Methyl-1,3,4-oxadiazol-2(3H)-one
Synonyms	T5NMVOJ E1 T5NN DOJ CQ E1 Methyl oxadiazolidone 5-Methyl-1,3,4-oxadiazol-2(3H)-one 2-Methyl-1,3,4-Oxadiazol-5(4H)-One 1,3,4-oxadiazol-2(3H)-one, 5-methyl- 1,3,4-Oxadiazol-2(3H)-one, 5-methyl- 5-Methyl-1,3,4-oxadiazole-2-(3H)-one 5-Methyl-2,3-dihydro-1,3,4-oxadiazol-2-one 2,3-dihydro-5-Methyl-2-oxo-1,3,4-oxadiazole
CAS	3069-67-8
InChI	InChI=1/C3H4N2O2/c1-2-4-5-3(6)7-2/h1H3,(H,5,6)

Molecular Formula	C3H4N2O2
Molar Mass	100.08
Density	1.55±0.1 g/cm3(Predicted)
Melting Point	112 °C
Boling Point	134 °C(Press: 14 Torr)
pKa	6.34±0.70(Predicted)
Storage Condition	2-8°C
Refractive Index	1.601
Physical and Chemical Properties	This product is solid, insoluble in water.
Use	5-methyl -1,3, 4-oxadiazolone is an intermediate of the insecticide pyrazinone. The preparation is carried out by reacting acetohydrazide with phosgene at -20~20 °c in the presence of alkali in a solvent to obtain the product.

use	5-methyl -1,3, 4-oxadiazolone is an intermediate of the insecticide pyrazinone. The preparation method is to use acetylhydrazine and phosgene to react in a solvent in the presence of alkali at -20~20 ℃ to obtain a product.
production method	the preparation method is to react acetylhydrazine and phosgene in a solvent in the presence of alkali at -20~20 ℃ to obtain a product.

Last Update：2024-05-23 17:18:52

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