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: See also 1,2-Ethenediol,1,2-di-2-pyridinyl-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

3891-65-4

3891-65-4 structure

3891-65-4 structure

Name: See also 1,2-Ethenediol,1,2-di-2-pyridinyl-
Chemical Name: (2Z)-2-hydroxy-1-pyridin-2-yl-2-(1H-pyridin-2-ylidene)ethanone
CAS Number: 3891-65-4
Molecular Formula: C₁₂H₁₀N₂O₂
Molecular Weight: 214.22000
Create Date: 2017-01-04 02:31:28
Modify Date: 2025-09-18 16:19:37

Name	(2Z)-2-hydroxy-1-pyridin-2-yl-2-(1H-pyridin-2-ylidene)ethanone
Synonyms	2,2'-pyridoin

Density	1.301g/cm3
Boiling Point	361.7ºC at 760 mmHg
Molecular Formula	C₁₂H₁₀N₂O₂
Molecular Weight	214.22000
Flash Point	172.5ºC
Exact Mass	214.07400
PSA	66.24000
LogP	2.41840
Index of Refraction	1.636

HS Code	2933399090

1121-60-4 structure

1121-60-4

~92%

3891-65-4 structure

3891-65-4

Literature: Cheng, Li-Xia; Jin, Xiao-Ling; Teng, Qing-Feng; Chang, Jin; Yao, Xiao-Jun; Dai, Fang; Qian, Yi-Ping; Tang, Jiang-Jiang; Li, Xiu-Zhuang; Zhou, Bo Organic and Biomolecular Chemistry, 2010 , vol. 8, # 5 p. 1058 - 1063

Precursor 1
1121-60-4
DownStream 1
492-73-9

HS Code	2933399090
Summary	2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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