1,2-Oxazole | CAS No. 288-14-2

1,2-Oxazole

Basic Information

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CAS Number

288-14-2

Molecular Formula

C3H3NO

Molecular Weight

69.06 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Heterocyclic Compounds

Pharmaceutical Chemicals Pharmaceutical Intermediates Heterocyclic Intermediates

Basic Physical Properties

Melting Point

-67.1°C

Boiling Point

93-95 °C

Solubility

167g/l

Refractive Index

n20/D 1.427(lit.)

SMILES

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C1=CON=C1

InChI

InChI=1S/C3H3NO/c1-2-4-5-3-1/h1-3H

InChIKey

CTAPFRYPJLPFDF-UHFFFAOYSA-N

LogP

0.6746

pKa

-2.0(at 25℃)

Topological Polar Surface Area

26.03 Å²

Hydrogen Bond Donor/Acceptor

0 / 2

Complexity

30.1

Safety Information

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GHS Hazard Pictograms

H225

Hazard Statement

H225 Highly Flammable liquid and vapor
Flammable liquids

Hazard Class

Class 3 Class 3

Synonyms & References

English

Q899683
Isooxazole
F14866
NS00021989
BP-21289
EINECS 206-018-7
Q-201258
ISOXAZOLE
A819607
UNII-00SRW0M6PW
1-Oxa-2-azacyclopentadiene
HY-W010649
288-14-2
MFCD00003149
Isoxazole, 99%
DTXSID7059775
I0372
Isoxazoles
InChI=1/C3H3NO/c1-2-4-5-3-1/h1-3
CS-W011365
NSC137774
F0001-0901
NSC-137774
2-azafuran
AM81392
00SRW0M6PW
CHEMBL13257
1,2-oxazole
AKOS005254996
STR08895
FT-0627539

MDL Number

MFCD00003149

Customs Code

29349990

FAQ

What is 1,2-Oxazole (CAS: 288-14-2)?

1,2-Oxazole is a heterocyclic organic compound with the molecular formula C2H2N2O. It is a colorless to white crystalline solid with a slightly sweet odor. 1,2-Oxazole has a five-membered ring consisting of four carbon atoms and one nitrogen atom, with an oxygen atom replacing one of the carbon atoms.

What are the main uses of 1,2-Oxazole (CAS: 288-14-2)?

1,2-Oxazole is widely used in the pharmaceutical industry as a precursor for the synthesis of various medicinal compounds. It also serves as a building block in the production of pesticides, dyes, and pharmaceutical intermediates. Additionally, 1,2-Oxazole is used in the research of materials science and in the synthesis of novel chemicals.

Is 1,2-Oxazole (CAS: 288-14-2) safe?

1,2-Oxazole is generally considered safe for use under normal conditions. However, it may cause respiratory irritation and should be handled with proper ventilation. Protective gloves and goggles are recommended. Avoid contact with skin and eyes. In case of exposure, rinse with water and seek medical advice if necessary.

How should 1,2-Oxazole (CAS: 288-14-2) be stored?

1,2-Oxazole should be stored in a cool, dry place away from direct sunlight and heat sources. It should be kept in a tightly sealed container to prevent moisture absorption. Store it in a well-ventilated area to avoid the formation of explosive mixtures with air. Do not store in the proximity of incompatible materials like strong oxidizers.