6-HYDROXY-2-OXO-1,2-DIHYDROPYRIDINE-3-CARBOXYLIC ACID

Modify Date: 2026-08-27 17:00:16

6-HYDROXY-2-OXO-1,2-DIHYDROPYRIDINE-3-CARBOXYLIC ACID Structure
6-HYDROXY-2-OXO-1,2-DIHYDROPYRIDINE-3-CARBOXYLIC ACID structure
Common Name 6-HYDROXY-2-OXO-1,2-DIHYDROPYRIDINE-3-CARBOXYLIC ACID
CAS Number 10357-91-2 Molecular Weight 155.10800
Density 1.708 Boiling Point 374.6ºC at 760 mmHg
Molecular Formula C6H5NO4 Melting Point N/A
MSDS N/A Flash Point 180.4ºC

 Names

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

Name 3-(dihydroxymethylidene)pyridine-2,6-dione
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 1.708
Boiling Point 374.6ºC at 760 mmHg
Molecular Formula C6H5NO4
Molecular Weight 155.10800
Flash Point 180.4ºC
Exact Mass 155.02200
PSA 90.39000
Vapour Pressure 3.82E-07mmHg at 25°C
Index of Refraction 1.657

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

HS Code 2933399090

 Synthetic Route

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

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6-HYDROXY-2-OXO-1,2-DIHYDROPYRIDINE-3-CARBOXYLIC ACID Structure

6-HYDROXY-2-OXO...

CAS#:10357-91-2

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Literature: Journal fuer Praktische Chemie (Leipzig), , vol. <2> 58, p. 425

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

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%

 Synonyms

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

2,6-Dihydroxynicolinic acid
2,6-Dihydroxy-nicotinsaeure
2,6-dihydroxynicotinic acid
2,6-Dihydroxynicotinate
2,5-DIFLUOROSTYRENE

  | FAQ

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

Q: What is the boiling point of 3-(dihydroxymethylidene)pyridine-2,6-dione?
A: Boiling point of 3-(dihydroxymethylidene)pyridine-2,6-dione is 374.6ºC at 760 mmHg.
Q: What is the CAS number of 3-(dihydroxymethylidene)pyridine-2,6-dione?
A: CAS number of 3-(dihydroxymethylidene)pyridine-2,6-dione is 10357-91-2.
Q: What is the molecular formula of 3-(dihydroxymethylidene)pyridine-2,6-dione?
A: Molecular formula of 3-(dihydroxymethylidene)pyridine-2,6-dione is C6H5NO4.
Q: What is the molecular weight of 3-(dihydroxymethylidene)pyridine-2,6-dione?
A: Molecular weight of 3-(dihydroxymethylidene)pyridine-2,6-dione is 155.10800.
Q: What English synonyms does 3-(dihydroxymethylidene)pyridine-2,6-dione have?
A: English synonyms of 3-(dihydroxymethylidene)pyridine-2,6-dione: 2,6-Dihydroxynicolinic acid, 2,6-Dihydroxy-nicotinsaeure, 2,6-dihydroxynicotinic acid, 2,6-Dihydroxynicotinate, 2,5-DIFLUOROSTYRENE.
Q: What is the English name of 3-(dihydroxymethylidene)pyridine-2,6-dione?
A: The English name of 3-(dihydroxymethylidene)pyridine-2,6-dione is 3-(dihydroxymethylidene)pyridine-2,6-dione.
Q: What is the polar surface area (PSA) of 3-(dihydroxymethylidene)pyridine-2,6-dione?
A: Polar surface area (PSA) of 3-(dihydroxymethylidene)pyridine-2,6-dione is 90.39000.

 factory

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

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
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