3H-Pyrazol-3-one,4,5-dihydro-5-methyl-4-nitroso-(9CI)

Modify Date: 2025-10-11 21:23:49

3H-Pyrazol-3-one,4,5-dihydro-5-methyl-4-nitroso-(9CI) structure	Common Name	3H-Pyrazol-3-one,4,5-dihydro-5-methyl-4-nitroso-(9CI)
	CAS Number	147738-83-8	Molecular Weight	127.101
	Density	1.7±0.1 g/cm3	Boiling Point	195.2±43.0 °C at 760 mmHg
	Molecular Formula	C₄H₅N₃O₂	Melting Point	N/A
	MSDS	N/A	Flash Point	72.4±33.5 °C

Name	5-Methyl-4-nitroso-4,5-dihydro-3H-pyrazol-3-one
Synonym	More Synonyms

Density	1.7±0.1 g/cm3
Boiling Point	195.2±43.0 °C at 760 mmHg
Molecular Formula	C₄H₅N₃O₂
Molecular Weight	127.101
Flash Point	72.4±33.5 °C
Exact Mass	127.038177
LogP	-0.81
Vapour Pressure	0.4±0.4 mmHg at 25°C
Index of Refraction	1.692

5-Methyl-4-nitroso-4,5-dihydro-3H-pyrazol-3-one

3H-Pyrazol-3-one, 4,5-dihydro-5-methyl-4-nitroso-

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Dayang Chem (Hangzhou) Co., Ltd.
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Product Name: 3H-Pyrazol-3-one,4,5-dihydro-5-methyl-4-nitroso-(9CI)
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Purity: 98.0%
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