Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 3H-Pyrazol-3-one,4,5-dihydro-5-methyl-4-nitroso-(9CI)
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

147738-83-8

147738-83-8 structure

147738-83-8 structure

Name: 3H-Pyrazol-3-one,4,5-dihydro-5-methyl-4-nitroso-(9CI)
Chemical Name: 5-Methyl-4-nitroso-4,5-dihydro-3H-pyrazol-3-one
CAS Number: 147738-83-8
Molecular Formula: C₄H₅N₃O₂
Molecular Weight: 127.101
Create Date: 2021-09-11 13:32:28
Modify Date: 2025-10-11 21:23:49

Names
Properties

Name	5-Methyl-4-nitroso-4,5-dihydro-3H-pyrazol-3-one
Synonyms	5-Methyl-4-nitroso-4,5-dihydro-3H-pyrazol-3-one 3H-Pyrazol-3-one, 4,5-dihydro-5-methyl-4-nitroso-

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

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