2-Pyridinol | CAS No. 142-08-5

2-Pyridinol

Basic Information

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CAS Number

142-08-5

Molecular Formula

C5H5NO

Molecular Weight

95.1 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Heterocyclic Compounds

Pharmaceutical Chemicals Pharmaceutical Intermediates Heterocyclic Intermediates

Basic Physical Properties

Melting Point

105-107 °C

Boiling Point

280-281 °C

Water Solubility

Soluble in water 450 g/L @ 20°C and ethanol, slightly soluble in benzene and ether.

Flash Point

210 ºC

Solubility

450g/l

Refractive Index

1.5939 (estimate)

SMILES

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Oc1ccccn1

InChI

InChI=1S/C5H5NO/c7-5-3-1-2-4-6-5/h1-4H,(H,6,7)

InChIKey

UBQKCCHYAOITMY-UHFFFAOYSA-N

LogP

0.7871999999999999

pKa

0.75(at 20℃)

Topological Polar Surface Area

33.120000000000005 Å²

Hydrogen Bond Donor/Acceptor

1 / 2

Complexity

135

Safety Information

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GHS Hazard Pictograms

H301

H315

H319

H335

Hazard Statement

H301 Toxic if swallowed
Acute toxicity, oral

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

H335 May cause respiratory irritation
Specific target organ toxicity, single exposure; Respiratory tract irritation

Hazard Class

Class 6.1 Class 6.1

Sensitiveness

light-sensitive

Synonyms & References

English

2-Hydroxypyridine
1H-2-Pyridone
2(1H)-PYRIDONE
2-PYRIDON
a-Hydroxypyridine
AURORA KA-3075
PYRIDIN-2-OL
TIMTEC-BB SBB004392
1-Hydroxy-2-pyridine
2(1h)-pyridinone
alpha-Pyridone
Pyridone-2
PYRIDIN-2(1H)-ONE
2-hydroxy-pyridine
2-oxypyridine
pyridinyl-6'-ol
2-Pyridinol
2-Pyridone
2-Pyridinone
a-Pyridone
1H-Pyridin-2-one
2-Oxopyridine
2-Pyridol
1,2-Dihydro-2-oxopyridine
Pyridin-2-one
α-Pyridone
2-PYRIDOL
A-PYRIDONE
2-PYRIDONE
2-pyridinone
2-oxopyridine

MDL Number

MFCD00006268

Customs Code

2933399090

FAQ

What is 2-Pyridinol (CAS: 142-08-5)?

2-Pyridinol (CAS: 142-08-5) is a heterocyclic organic compound with the chemical formula C5H5NO. It features a pyridine ring with a hydroxyl group at the 2-position, making it a versatile intermediate in chemical synthesis. The compound is a white solid at room temperature, slightly soluble in water, and exhibits basic properties due to its nitrogen atom. It is commonly used in pharmaceutical and industrial applications.

What are the main uses of 2-Pyridinol (CAS: 142-08-5)?

2-Pyridinol (CAS: 142-08-5) is primarily used as a pharmaceutical intermediate in the synthesis of antifungal and antibiotic drugs. It also finds applications in agrochemicals, such as herbicides and pesticides, and in research for organic materials and catalysts. Its reactivity and structural versatility make it valuable in developing new chemical products and compounds.

Is 2-Pyridinol (CAS: 142-08-5) safe?

2-Pyridinol (CAS: 142-08-5) is generally considered safe when handled properly. However, it may cause mild eye or skin irritation, so protective measures like gloves, goggles, and adequate ventilation are recommended. Safety data sheets (SDS) should be consulted for detailed handling guidelines. It complies with standard chemical safety regulations for laboratory and industrial use.

How should 2-Pyridinol (CAS: 142-08-5) be stored?

2-Pyridinol (CAS: 142-08-5) should be stored in a sealed, airtight container in a cool, dry place, away from light. It is stable under normal conditions but should be protected from moisture and air to prevent degradation. Storage temperatures should ideally remain between 2-8°C, and it should be kept in a well-ventilated area to ensure safety and longevity.