4-Hydroxy-2(1H)-pyridinone

Basic Information

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CAS Number

626-03-9

Molecular Formula

C5H5NO2

Molecular Weight

111.1 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Basic Chemical Raw Materials Organic Chemicals Heterocyclic Compounds

Pharmaceutical Chemicals Pharmaceutical Intermediates Heterocyclic Intermediates

Fine Chemicals Dyes and Pigments Organic Dyes

Water Treatment Chemicals Coagulants and Flocculants Inorganic Coagulants

Basic Physical Properties

Physical State

Powder

Melting Point

272-276 °C

Boiling Point

208.19°C (rough estimate)

Density

1.3113 (rough estimate)

Flash Point

117.6℃

Refractive Index

1.4260 (estimate)

SMILES

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C1=CNC(=O)C=C1O

InChI

InChI=1S/C5H5NO2/c7-4-1-2-6-5(8)3-4/h1-3H,(H2,6,7,8)

InChIKey

ZEZJPIDPVXJEME-UHFFFAOYSA-N

LogP

0.08049999999999985

Topological Polar Surface Area

53.089999999999996 Å²

Hydrogen Bond Donor/Acceptor

2 / 3

Complexity

169

Safety Information

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GHS Hazard Pictograms

H315

H319

H335

Hazard Statement

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 IRRITANT Class IRRITANT

Synonyms & References

English

4-Hydroxy-2-pyridone
2-hydroxy-1H-pyridin-4-one
D2682
CK2604
ZEZJPIDPVXJEME-UHFFFAOYSA-
MFCD00006273
2-hydroxypyridin-4(1H)-one
pyridine-2,4-diol
4-hydroxy-2(1H)-pyridone
2,4-dihydroxy-pyridine
29212-35-9
J-640104
J-800106
Z3225946514
InChI=1/C5H5NO2/c7-4-1-2-6-5(8)3-4/h1-3H,(H2,6,7,8)
SCHEMBL17495019
FT-0601262
A864034
4-Hydroxypyridinol
NSC 37839
LQ01OR5OK4
UNII-LQ01OR5OK4
BP-11396
AKOS005254611
4-Hydroxy-2(1H)-pyridinone
2(1H)-Pyridone, 4-hydroxy-
NSC119859
2,4-DIHYDROXYPYRIDINE
AKOS006222771
2,4-Pyridinediol
4-HYDROXY-2-PYRIDINONE

MDL Number

MFCD00006273

Customs Code

2933399090

FAQ

What regulatory guidelines apply to 4-Hydroxy-2(1H)-pyridinone (CAS: 626-03-9)?

4-Hydroxy-2(1H)-pyridinone (CAS: 626-03-9) is subject to regulatory guidelines under the Globally Harmonized System (GHS), which categorizes it based on its physical and chemical properties. In the European Union, it is regulated under REACH, and it may be subject to reporting and handling requirements under the EPA in the United States. Additionally, it is important to check local and regional regulations for specific handling and storage guidelines.

Are there alternatives to 4-Hydroxy-2(1H)-pyridinone (CAS: 626-03-9) in synthesis?

Alternatives to 4-Hydroxy-2(1H)-pyridinone (CAS: 626-03-9) in synthesis include other pyridinones such as 2-pyrrolidone and 2-piperidone. These alternatives can be used depending on the specific requirements of the reaction, such as solubility, reactivity, and cost. Other common reagents include carboxylic acids and their anhydrides, which can be used to form similar functional groups.

What is the market or research trend for 4-Hydroxy-2(1H)-pyridinone (CAS: 626-03-9)?

The market for 4-Hydroxy-2(1H)-pyridinone (CAS: 626-03-9) is growing due to its applications in pharmaceuticals, agrochemicals, and polymer chemistry. Research trends focus on exploring its use as a scaffold in drug discovery and as a monomer for polymer synthesis. The trend also includes developing more efficient and environmentally friendly synthesis methods, which can drive market growth and innovation.

How should waste containing 4-Hydroxy-2(1H)-pyridinone (CAS: 626-03-9) be handled?

Waste containing 4-Hydroxy-2(1H)-pyridinone (CAS: 626-03-9) should be collected in appropriate containers and managed according to local regulations. Incineration is a common method for disposal, but professional waste disposal services should be utilized to ensure compliance with environmental protection regulations. Proper personal protective equipment (PPE) should be worn during handling, and appropriate storage conditions should be maintained to prevent environmental contamination.