Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 6-Phenylpyridazin-3(2H)-one
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 6-Phenylpyridazin-3(2H)-one
Price: ￥228.0/1g ￥648.0/5g ￥2048.0/25g
Purity: 98.0%
Stocking Period: Inquiry
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 6-Phenyl-3(2H)-pyridazinone
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

2166-31-6

2166-31-6 structure

2166-31-6 structure

Name: 6-Phenylpyridazin-3(2H)-one
Chemical Name: 6-Phenylpyridazin-3(2H)-one
CAS Number: 2166-31-6
Molecular Formula: C₁₀H₈N₂O
Molecular Weight: 172.183
Catalog: Pharmaceutical intermediate Heterocyclic compound Pyridazine
Create Date: 2018-02-13 08:00:00
Modify Date: 2025-08-25 14:03:29

Name	6-Phenylpyridazin-3(2H)-one
Synonyms	6-phenylpyridazin-3-ol MFCD00114953 6-Phenyl-3(2H)-pyridazinone 3-Hydroxy-6-phenylpyridazine 6-phenylpyridazin-3(2H)-one 3(2H)-Pyridazinone, 6-phenyl- EINECS 218-505-1 6-phenyl-2,3-dihydropyridazin-3-one 3-phenyl-1H-pyridazin-6-one

Density	1.2±0.1 g/cm3
Boiling Point	403.8ºC at 760mmHg
Melting Point	201-204ºC(lit.)
Molecular Formula	C₁₀H₈N₂O
Molecular Weight	172.183
Flash Point	198ºC
Exact Mass	172.063660
PSA	45.75000
LogP	0.98
Vapour Pressure	4.24E-07mmHg at 25°C
Index of Refraction	1.623

Hazard Codes	Xi: Irritant;
Risk Phrases	R36/37/38
Safety Phrases	26-36
WGK Germany	3
HS Code	2933990090

Precursor 9
98-86-2 298-12-4 1011-46-7 2051-95-8
89868-14-4 70529-47-4 64942-62-7 87769-64-0
1316302-41-6
DownStream 10
38956-80-8 2165-04-0 2166-09-8 32949-37-4
14966-91-7 20375-65-9 15150-84-2 28006-42-0
77375-77-0 87653-19-8

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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