1,2-Dihydro-3H-pyrazol-3-one

Modify Date: 2025-08-25 07:34:50

1,2-Dihydro-3H-pyrazol-3-one structure	Common Name	1,2-Dihydro-3H-pyrazol-3-one
	CAS Number	137-45-1	Molecular Weight	84.077
	Density	1.4±0.1 g/cm3	Boiling Point	326.1±15.0 °C at 760 mmHg
	Molecular Formula	C₃H₄N₂O	Melting Point	163 °C
	MSDS	N/A	Flash Point	151.0±20.4 °C

Name	1H-Pyrazol-3(2H)-one
Synonym	More Synonyms

Density	1.4±0.1 g/cm3
Boiling Point	326.1±15.0 °C at 760 mmHg
Melting Point	163 °C
Molecular Formula	C₃H₄N₂O
Molecular Weight	84.077
Flash Point	151.0±20.4 °C
Exact Mass	84.032364
PSA	48.65000
LogP	0.25
Vapour Pressure	0.0±0.7 mmHg at 25°C
Index of Refraction	1.612

Hazard Codes	Xi

Precursor 0
DownStream 1
CAS#:288-13-1 Pyrazole

1H-pyrazol-3-ol

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3h-pyrazol-3-one, 1,2-dihydro-

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 1,2-Dihydro-3H-pyrazol-3-one
Price: Check
Purity: 98.0%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 1,2-Dihydro-3H-pyrazol-3-one
Price: ￥278.0/250mg ￥648.0/1g
Purity: 98.0%
Delivery: 2 Day
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 3H-Pyrazol-3-one,1,2-dihydro-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Delivery: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Henan Tianfu Chemical Co., Ltd.
China
Product Name: 1H-Pyrazol-3(2H)-one
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Delivery: Inquiry
Contact: Anson
Email: info@tianfuchem.com

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