(2E)-2-[(hydroxyamino)methylidene]pyridin-3-one

Modify Date: 2026-08-02 21:52:02

(2E)-2-[(hydroxyamino)methylidene]pyridin-3-one Structure
(2E)-2-[(hydroxyamino)methylidene]pyridin-3-one structure
Common Name (2E)-2-[(hydroxyamino)methylidene]pyridin-3-one
CAS Number 74686-57-0 Molecular Weight 138.12400
Density 1.32g/cm3 Boiling Point 311.5ºC at 760 mmHg
Molecular Formula C6H6N2O2 Melting Point N/A
MSDS N/A Flash Point 142.2ºC

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name (2E)-2-[(hydroxyamino)methylidene]pyridin-3-one
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.32g/cm3
Boiling Point 311.5ºC at 760 mmHg
Molecular Formula C6H6N2O2
Molecular Weight 138.12400
Flash Point 142.2ºC
Exact Mass 138.04300
PSA 65.71000
LogP 0.59530
Index of Refraction 1.594
InChIKey JUOUALUXPLOLFO-UHFFFAOYSA-N
SMILES ON=Cc1ncccc1O

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

~61%

(2E)-2-[(hydroxyamino)methylidene]pyridin-3-one Structure

(2E)-2-[(hydrox...

CAS#:74686-57-0

Learn More
Literature: Louise-Leriche, Ludivine; Paunescu, Emilia; Saint-Andre, Geraldine; Baati, Rachid; Romieu, Anthony; Wagner, Alain; Renard, Pierre-Yves Chemistry - A European Journal, 2010 , vol. 16, # 11 p. 3510 - 3523

 Precursor & DownStream

This table lists upstream starting materials and downstream derivative products related to this chemical.

Precursor  1

DownStream  0

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

3-hydroxy-2-pyridinealdoxime

  | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the English name of (2E)-2-[(hydroxyamino)methylidene]pyridin-3-one?
A: The English name of (2E)-2-[(hydroxyamino)methylidene]pyridin-3-one is (2E)-2-[(hydroxyamino)methylidene]pyridin-3-one.
Q: What is the molecular weight of (2E)-2-[(hydroxyamino)methylidene]pyridin-3-one?
A: Molecular weight of (2E)-2-[(hydroxyamino)methylidene]pyridin-3-one is 138.12400.
Q: What is the SMILES notation of (2E)-2-[(hydroxyamino)methylidene]pyridin-3-one?
A: SMILES notation of (2E)-2-[(hydroxyamino)methylidene]pyridin-3-one is ON=Cc1ncccc1O.
Q: What English synonyms does (2E)-2-[(hydroxyamino)methylidene]pyridin-3-one have?
A: English synonyms of (2E)-2-[(hydroxyamino)methylidene]pyridin-3-one: 3-hydroxy-2-pyridinealdoxime.
Q: What is the CAS number of (2E)-2-[(hydroxyamino)methylidene]pyridin-3-one?
A: CAS number of (2E)-2-[(hydroxyamino)methylidene]pyridin-3-one is 74686-57-0.
Q: What is the InChIKey of (2E)-2-[(hydroxyamino)methylidene]pyridin-3-one?
A: InChIKey of (2E)-2-[(hydroxyamino)methylidene]pyridin-3-one is JUOUALUXPLOLFO-UHFFFAOYSA-N.
Q: What is the Chinese name of 74686-57-0?
A: Chinese name of 74686-57-0 is 74686-57-0.
Q: What is the boiling point of (2E)-2-[(hydroxyamino)methylidene]pyridin-3-one?
A: Boiling point of (2E)-2-[(hydroxyamino)methylidene]pyridin-3-one is 311.5ºC at 760 mmHg.
Q: What is the LogP of (2E)-2-[(hydroxyamino)methylidene]pyridin-3-one?
A: LogP of (2E)-2-[(hydroxyamino)methylidene]pyridin-3-one is 0.59530.
Q: What are the upstream materials of (2E)-2-[(hydroxyamino)methylidene]pyridin-3-one?
A: Related upstream materials(CAS) of (2E)-2-[(hydroxyamino)methylidene]pyridin-3-one: 1849-55-4.

 factory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Dayang Chem (Hangzhou) Co., Ltd.
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