2,6-Dihydroxypyridine

Modify Date: 2026-07-11 15:36:20

2,6-Dihydroxypyridine Structure
2,6-Dihydroxypyridine structure
Common Name 2,6-Dihydroxypyridine
CAS Number 626-06-2 Molecular Weight 111.09900
Density 1.379 g/cm3 Boiling Point 387.2ºC at 760 mmHg
Molecular Formula C5H5NO2 Melting Point N/A
MSDS N/A Flash Point 188ºC

 Names

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

Name pyridine-2,6-diol
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 1.379 g/cm3
Boiling Point 387.2ºC at 760 mmHg
Molecular Formula C5H5NO2
Molecular Weight 111.09900
Flash Point 188ºC
Exact Mass 111.03200
PSA 53.35000
LogP 0.49280
InChIKey WLFXSECCHULRRO-UHFFFAOYSA-N
SMILES O=c1cccc(O)[nH]1

 Toxicological Information

This table summarizes toxicological test data, acute & chronic toxicity and ecological hazard parameters for this chemical.

CHEMICAL IDENTIFICATION

RTECS NUMBER :
UV1146900
CHEMICAL NAME :
2(1H)-Pyridone, 6-hydroxy-
CAS REGISTRY NUMBER :
626-06-2
LAST UPDATED :
199206
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C5-H5-N-O2
MOLECULAR WEIGHT :
111.11
WISWESSER LINE NOTATION :
T6NJ BQ FQ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
537 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
TOXIA6 Toxicon. (Pergamon Press Ltd., Headington Hill Hall, Oxford OX3 OBW, UK) V.1- 1962- Volume(issue)/page/year: 23,815,1985

 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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2,6-Dihydroxypyridine Structure

2,6-Dihydroxypy...

CAS#:626-06-2

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Literature: US2002/157939 A1, ;

~%

2,6-Dihydroxypyridine Structure

2,6-Dihydroxypy...

CAS#:626-06-2

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Literature: Zhurnal Obshchei Khimii, , vol. 11, p. 9,12 Chem.Abstr., <1941> 5501

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2,6-Dihydroxypyridine Structure

2,6-Dihydroxypy...

CAS#:626-06-2

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Literature: Recueil des Travaux Chimiques des Pays-Bas, , vol. 69, p. 673,690

~%

2,6-Dihydroxypyridine Structure

2,6-Dihydroxypy...

CAS#:626-06-2

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Literature: Journal of the Chemical Society, , vol. 73, p. 351,352

~%

2,6-Dihydroxypyridine Structure

2,6-Dihydroxypy...

CAS#:626-06-2

Learn More
Literature: Zhurnal Obshchei Khimii, , vol. 11, p. 9,12 Chem.Abstr., <1941> 5501

 Precursor & DownStream

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

Precursor  4

DownStream  0

 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.

MFCD00129028
6-hydroxy-1H-pyridin-2-one
6-hydroxy-2(1h)-pyridinon
2,5-DIFLUOROTHIOBENZAMIDE
2,6-Dihydroxypyridine
6-Hydroxy-2(1H)-pyridone
EINECS 210-927-4
3H-pyridine-2,6-dione
2,6-dihydroxy pyridine
1-Deazauracil
2,6-Pyridinediol
6-Hydroxy-2(1H)-pyridinone
Pyridin-2,6-diol
2(1H)-Pyridone,6-hydroxy
6-hydroxy-2(1h)-pyridon
6-Hydroxypyridin-2(1H)-one

 2,6-Dihydroxypyridine | FAQ

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

Q: What is the SMILES notation of pyridine-2,6-diol?
A: SMILES notation of pyridine-2,6-diol is O=c1cccc(O)[nH]1.
Q: What is the molecular weight of pyridine-2,6-diol?
A: Molecular weight of pyridine-2,6-diol is 111.09900.
Q: What is the molecular formula of pyridine-2,6-diol?
A: Molecular formula of pyridine-2,6-diol is C5H5NO2.
Q: What is the polar surface area (PSA) of pyridine-2,6-diol?
A: Polar surface area (PSA) of pyridine-2,6-diol is 53.35000.
Q: What English synonyms does pyridine-2,6-diol have?
A: English synonyms of pyridine-2,6-diol: MFCD00129028, 6-hydroxy-1H-pyridin-2-one, 6-hydroxy-2(1h)-pyridinon, 2,5-DIFLUOROTHIOBENZAMIDE, 2,6-Dihydroxypyridine, 6-Hydroxy-2(1H)-pyridone, EINECS 210-927-4, 3H-pyridine-2,6-dione, 2,6-dihydroxy pyridine, 1-Deazauracil, 2,6-Pyridinediol, 6-Hydroxy-2(1H)-pyridinone, Pyridin-2,6-diol, 2(1H)-Pyridone,6-hydroxy, 6-hydroxy-2(1h)-pyridon, 6-Hydroxypyridin-2(1H)-one.
Q: What is the InChIKey of pyridine-2,6-diol?
A: InChIKey of pyridine-2,6-diol is WLFXSECCHULRRO-UHFFFAOYSA-N.
Q: What are the upstream materials of pyridine-2,6-diol?
A: Related upstream materials(CAS) of pyridine-2,6-diol: 6231-18-1;141-86-6;13472-57-6;7664-93-9.
Q: What is the boiling point of pyridine-2,6-diol?
A: Boiling point of pyridine-2,6-diol is 387.2ºC at 760 mmHg.
Q: What is the English name of pyridine-2,6-diol?
A: The English name of pyridine-2,6-diol is pyridine-2,6-diol.
Q: What is the CAS number of pyridine-2,6-diol?
A: CAS number of pyridine-2,6-diol is 626-06-2.

 2,6-Dihydroxypyridinefactory

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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