2-pyridone

Modify Date: 2026-07-01 11:01:09

2-pyridone structure	Common Name	2-pyridone
	CAS Number	142-08-5	Molecular Weight	95.099
	Density	1.1±0.1 g/cm3	Boiling Point	323.7±15.0 °C at 760 mmHg
	Molecular Formula	C₅H₅NO	Melting Point	105-107 °C(lit.)
	MSDS	Chinese USA	Flash Point	181.1±5.3 °C
	Symbol	GHS06	Signal Word	Danger

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

Name	pyridin-2-ol
Synonym	More Synonyms

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

Density	1.1±0.1 g/cm3
Boiling Point	323.7±15.0 °C at 760 mmHg
Melting Point	105-107 °C(lit.)
Molecular Formula	C₅H₅NO
Molecular Weight	95.099
Flash Point	181.1±5.3 °C
Exact Mass	95.037117
PSA	33.12000
LogP	-0.58
Vapour Pressure	0.0±0.7 mmHg at 25°C
Index of Refraction	1.514
Storage condition	Store at RT.

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

2-pyridone MSDS(Chinese)

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

CHEMICAL IDENTIFICATION

RTECS NUMBER :: UV1144050

CHEMICAL NAME :: 2(1H)-Pyridone

CAS REGISTRY NUMBER :: 142-08-5

LAST UPDATED :: 199701

DATA ITEMS CITED :: 4

MOLECULAR FORMULA :: C5-H5-N-O

MOLECULAR WEIGHT :: 95.11

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 :: 410 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

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 750 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. (Heymans Institute of Pharmacology, De Pintelaan 185, B-9000 Ghent, Belgium) V.4- 1898- Volume(issue)/page/year: 93,143,1953 ** OTHER MULTIPLE DOSE TOXICITY DATA **

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 594 mg/kg/5D-I

TOXIC EFFECTS :: Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - other Enzymes

REFERENCE :: TOLED5 Toxicology Letters. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1977- Volume(issue)/page/year: 85,173,1996

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

Symbol	GHS06
Signal Word	Danger
Hazard Statements	H301-H315-H319-H335
Precautionary Statements	Missing Phrase - N15.00950417-P305 + P351 + P338
Personal Protective Equipment	Eyeshields;Faceshields;Gloves;type P2 (EN 143) respirator cartridges
Hazard Codes	Xi:Irritant;
Risk Phrases	R36/37/38
Safety Phrases	S26-S36-S37/39
RIDADR	UN2811
WGK Germany	3
RTECS	UV1144050
Packaging Group	III
Hazard Class	6.1
HS Code	2933399090

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

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

Precursor 10
CAS#:13161-30-3 2-Pyridinol-1-oxide CAS#:40673-25-4 4-Chloropyridin-2-Ol CAS#:109-04-6 2-Bromopyridine CAS#:1212-29-9 1,3-Dicyclohexy...
CAS#:1628-89-3 2-Methoxypyridine CAS#:120-57-0 piperonal CAS#:1219454-89-3 2-[(Difluoromet... CAS#:123-11-5 4-Methoxybenzal...
CAS#:66-99-9 2-Naphthaldehyde CAS#:100-10-7 p-Dimethylamino...
DownStream 10
CAS#:108664-25-1 1-[3-(2-methoxy... CAS#:104940-96-7 1-[3-(4-chlorop... CAS#:104941-02-8 1-[3-(4-chlorop... CAS#:104941-03-9 1-[1-(4-chlorop...
CAS#:104940-99-0 1-[3-(2,4-dichl... CAS#:108664-23-9 1-(3-oxo-3-phen... CAS#:32111-34-5 4-(PYRIDIN-2-YL... CAS#:372-48-5 2-Fluoropyridine
CAS#:5006-66-6 6-Hydroxynicoti... CAS#:58530-50-0 2-(PYRIDIN-2-YL...

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%

This table lists relevant public references with title, journal and publication metadata for this compound.

Steroidal Saponins from the Mesocarp of the Fruits of Raphia farinifera (Arecaceae) and their Cytotoxic Activity.

Nat. Prod. Commun. 10 , 1941-4, (2016)

Eight steroidal saponins (1-8), including one previously unreported derivative (1), have been isolated from the mesocarp of Raphia farinifera fruits by combined column chromatography and RP-HPLC metho...

Self-assembled hybrid metal oxide base catalysts prepared by simply mixing with organic modifiers.

Nat. Commun. 6 , 8580, (2015)

Multidentate materials formed by simply mixing heterogeneous and homogeneous components are promising for construction of versatile active sites on the surface of heterogeneous compounds, however, to ...

Janus kinase signaling activation mediates peritoneal inflammation and injury in vitro and in vivo in response to dialysate.

Kidney Int. 86(6) , 1187-96, (2014)

Peritoneal membrane pathology limits long-term peritoneal dialysis (PD). Here, we tested whether JAK/STAT signaling is implicated and if its attenuation might be salutary. In cultured mesothelial cell...

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

pyridinol

2-PYRIDON

pyridinyl-6'-ol

2(1H)-Pyridone

2-oxypyridine

A-PYRIDONE

2-pyridone

2-hydroxy-pyridine

2-pyridinone

EINECS 205-520-3

2-PYRIDOL

Pyridin-2(1H)-one

2-pyridinol

pyridinone

Pyridone-2

2(1H)-Pyridinone

2-Oxopyridine

AURORA KA-3075

pyridone

2-Hydroxypyridine

pyridin-2-ol

1H-2-Pyridone

MFCD00006268

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

Q: What is the LogP of pyridin-2-ol?

A: LogP of pyridin-2-ol is -0.58.

Q: What is the polar surface area (PSA) of pyridin-2-ol?

A: Polar surface area (PSA) of pyridin-2-ol is 33.12000.

Q: What is the boiling point of pyridin-2-ol?

A: Boiling point of pyridin-2-ol is 323.7±15.0 °C at 760 mmHg.

Q: What English synonyms does pyridin-2-ol have?

A: English synonyms of pyridin-2-ol: pyridinol, 2-PYRIDON, pyridinyl-6'-ol, 2(1H)-Pyridone, 2-oxypyridine, A-PYRIDONE, 2-pyridone, 2-hydroxy-pyridine, 2-pyridinone, EINECS 205-520-3, 2-PYRIDOL, Pyridin-2(1H)-one, 2-pyridinol, pyridinone, Pyridone-2, 2(1H)-Pyridinone, 2-Oxopyridine, AURORA KA-3075, pyridone, 2-Hydroxypyridine, pyridin-2-ol, 1H-2-Pyridone, MFCD00006268.

Q: What is the CAS number of pyridin-2-ol?

A: CAS number of pyridin-2-ol is 142-08-5.

Q: What is the English name of pyridin-2-ol?

A: The English name of pyridin-2-ol is pyridin-2-ol.

Q: What is the molecular weight of pyridin-2-ol?

A: Molecular weight of pyridin-2-ol is 95.099.

Q: What are the storage conditions for pyridin-2-ol?

A: Storage conditions for pyridin-2-ol: Store at RT.

Q: What is the molecular formula of pyridin-2-ol?

A: Molecular formula of pyridin-2-ol is C5H5NO.

Q: What is the melting point of pyridin-2-ol?

A: Melting point of pyridin-2-ol is 105-107 °C(lit.).

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.

Henan Tianfu Chemical Co., Ltd.

Zhongshan Xingrui Chemical Co. , Ltd.

The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.

Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 2-pyridone
Price: Check
Purity: 98.0%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2-Hydroxypyridine
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Delivery: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Henan Tianfu Chemical Co., Ltd.
China
Product Name: pyridin-2-ol
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Delivery: Inquiry
Contact: Anson
Email: info@tianfuchem.com

Zhongshan Xingrui Chemical Co. , Ltd.
China
Product Name: 2-pyridone
Price: ￥Inquiry/25kg
Purity: 99.0%
Delivery: Inquiry
Contact: Wang Jie
Email: 3096638339@qq.com

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2-pyridone

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