2,3-Dihydro-4H-chromen-4-one

Basic Information

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CAS Number

491-37-2

Molecular Formula

C9H8O2

Molecular Weight

148.16 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Basic Chemical Raw Materials Organic Chemicals Ketones

Basic Chemical Raw Materials Organic Chemicals Ethers

Basic Chemical Raw Materials Organic Chemicals Heterocyclic Compounds

Pharmaceutical Chemicals Pharmaceutical Intermediates Heterocyclic Intermediates

Fine Chemicals Dyes and Pigments Organic Dyes

Basic Physical Properties

Melting Point

35-38 °C

Boiling Point

127-128 °C/13 mmHg

Water Solubility

Slightly soluble in water.

Refractive Index

n20/D 1.575(lit.)

SMILES

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C1COC2=CC=CC=C2C1=O

InChI

InChI=1S/C9H8O2/c10-8-5-6-11-9-4-2-1-3-7(8)9/h1-4H,5-6H2

InChIKey

MSTDXOZUKAQDRL-UHFFFAOYSA-N

LogP

1.6518

Topological Polar Surface Area

26.3 Å²

Hydrogen Bond Donor/Acceptor

0 / 2

Complexity

165

Safety Information

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GHS Hazard Pictograms

H303

Hazard Statement

H303 May be harmful if swallowed
Acute toxicity, oral

Hazard Class

Class IRRITANT Class IRRITANT

Synonyms & References

English

3,4-dihydro-2H-benzopyran-4-one
2,3-dihydrochromen-4-one
AKOS000120888
2,3-Dihydro-1-benzopyran-4-one
InChI=1/C9H8O2/c10-8-5-6-11-9-4-2-1-3-7(8)9/h1-4H,5-6H
Z85920466
4-chromanon
BCP06538
2,3-Dihydro-2-benzopyran-4-one
491-37-2
AM20040557
2,3-Dihydro-4H-chromen-4-one
4-Chromanone
J-200067
BS-3822
BP-12827
F0001-1283
Chromanone
STR01088
4-Chromanone, 97%
2,3-DIHYDRO-4H-1-BENZOPYRAN-4-ONE
2H-[1]benzopyran-4-one
1341-36-2
2,3-Dihydro-4H-chromen-4-one #
NSC-174058
AB-131/40347218
NSC 174058
FT-0618277
MFCD00006840
SCHEMBL28794
Chroman-4-one

MDL Number

MFCD00006840

Customs Code

2932999099

FAQ

What is 2,3-Dihydro-4H-chromen-4-one (CAS: 491-37-2)?

2,3-Dihydro-4H-chromen-4-one (CAS: 491-37-2) is a yellow crystalline compound with a molecular formula of C9H6O3. It is a chromone derivative and is used in various applications due to its chemical properties.

What are the main uses of 2,3-Dihydro-4H-chromen-4-one (CAS: 491-37-2)?

2,3-Dihydro-4H-chromen-4-one (CAS: 491-37-2) is primarily used as an intermediate in the synthesis of pharmaceuticals and dyes. It also finds applications in the food industry as a flavor and color compound.

Is 2,3-Dihydro-4H-chromen-4-one (CAS: 491-37-2) safe?

2,3-Dihydro-4H-chromen-4-one (CAS: 491-37-2) is generally considered safe under normal use conditions. However, it should be handled with care, avoiding contact with eyes and skin, and proper ventilation should be maintained.

How should 2,3-Dihydro-4H-chromen-4-one (CAS: 491-37-2) be stored?

2,3-Dihydro-4H-chromen-4-one (CAS: 491-37-2) 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. Avoid storing in high humidity environments.