5-Methyl-1,3,4-oxadiazol-2(3H)-one
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5-Methyl-1,3,4-oxadiazol-2(3H)-one
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CAS No:
3069-67-8
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Formula:
C3H4N2O2
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Chemical Name:
5-Methyl-1,3,4-oxadiazol-2(3H)-one
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Synonyms:
5-Methyl-1,3,4-oxadiazol-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;5-methyl-1,3,4-oxadiazol-2-ol(SALTDATA:FREE)
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CAS No:
Safety Information
IRRITANT
22
Xn
P261, P264, P270, P271, P280, P301+P312, P302+P352, P304+P312, P304+P340, P305+P351+P338, P312, P321, P330, P332+P313, P337+P313, P362, P403+P233, P405, P501
H302
|Warning|H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]|P261, P264, P270, P271, P280, P301+P312, P302+P352, P304+P312, P304+P340, P305+P351+P338, P312, P321, P330, P332+P313, P337+P313, P362, P403+P233, P405, and P501|Aggregated GHS information provided by 90 companies from 2 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
5-Methyl-1,3,4-oxadiazol-2(3H)-one Use and Manufacturing
The preparation method is to react acethydrazine and phosgene in a solvent at -20 to 20°C in the presence of alkali to obtain the product.
5-Methyl-1,3,4-oxadiazolone is an intermediate of the insecticide pyrazinone. The preparation method is to use acetyl hydrazine and phosgene to react in a solvent in the presence of alkali at -20～20℃ to obtain the product.
Computed Properties
Molecular Weight:100.08
XLogP3:-0.2
Hydrogen Bond Donor Count:1
Hydrogen Bond Acceptor Count:3
Exact Mass:100.027277375
Monoisotopic Mass:100.027277375
Topological Polar Surface Area:50.7
Heavy Atom Count:7
Complexity:129
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
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5-Methyl-1,3,4-oxadiazol-2(3H)-one
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