2-Chromanone | CAS No. 119-84-6

2-Chromanone

Basic Information

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CAS Number

119-84-6

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 Esters

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

Physical State

Powder

Melting Point

24-25 °C

Boiling Point

272 °C

Solubility

less than 1 mg/mL at 68° F (NTP, 1992)

Refractive Index

n20/D 1.555-1.559<br />n20/D 1.556(lit.)

Vapor Pressure

13.4 mm Hg at 77 °F ; 19.5 mm Hg at 108° F; 27.4 mm Hg at 145° F (NTP, 1992)

Odor

Herbal

SMILES

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O=C1CCc2ccccc2O1

InChI

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

InChIKey

VMUXSMXIQBNMGZ-UHFFFAOYSA-N

LogP

1.5382

Topological Polar Surface Area

26.3 Å²

Hydrogen Bond Donor/Acceptor

0 / 2

Complexity

165

Safety Information

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GHS Hazard Pictograms

H302

H315

H319

H335

Hazard Statement

H302 Harmful 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

Storage Conditions

2-8℃

Synonyms & References

English

Chroman-2-one
1,2-Benzodihydropyrone
Hydrocoumarin
3,4-Dihydrocoumarin
AKOS 222-08
3,4-Dihydro-1-benzopyran-2-one
3,4-DIHYDRO-2H-1-BENZOPYRAN-2-ONE
BENZODIHYDROPYRONE
DIHYDROBENZENOPYRONE
DIHYDROBENZOPYRONE
3.4-Dihydrocoumarin
Cinnamic acid
Dihydrocoumarin
DIHYDROCOUMARIN,3,4-(RG)
3,4-Dihydro-1-benzopyran-2-one,Benzodihydropyrone,Hydrocou
3,4-dihydrochromen-2-one
Tonkamel
FEMA 2381
MELILOTIN
MELILOTOL
usafdo-12
MELILOTINE
NCI-C55890
oxochroman
USAF do-12
2-chromanone
melilotic lactone
Chroman, 2-oxo-
Melilotic acid lactone
Benzopyranone, dihydro-
2H-1-Benzopyran-2-one, 3,4-dihydro-

MDL Number

MFCD00006881

Customs Code

29322980

FAQ

What is 2-Chromanone (CAS: 119-84-6)?

2-Chromanone (CAS: 119-84-6) is an organic compound with the chemical formula C9H6O2. It is a yellow crystalline solid known for its aromatic properties and is commonly used as a precursor in the synthesis of various pharmaceuticals and fine chemicals. Its structure consists of a benzene ring fused with a pyrone ring, making it a key intermediate in organic chemistry.

What are the main uses of 2-Chromanone (CAS: 119-84-6)?

2-Chromanone (CAS: 119-84-6) is primarily used in pharmaceuticals to synthesize anti-inflammatory drugs and other medicinal compounds. It also finds applications in the fragrance industry for creating flavoring agents and perfumes. Additionally, it serves as a research reagent in organic synthesis and is used in polymer chemistry for developing specialized materials.

Is 2-Chromanone (CAS: 119-84-6) safe?

2-Chromanone (CAS: 119-84-6) is generally considered low to moderately toxic when handled improperly. It should be used with appropriate safety measures, such as gloves, goggles, and ventilation, to avoid skin or respiratory exposure. While it is not classified as a carcinogen, adherence to standard chemical safety protocols is recommended to ensure safe handling and minimize risks.

How should 2-Chromanone (CAS: 119-84-6) be stored?

2-Chromanone (CAS: 119-84-6) should be stored in a cool, dry place, away from light, in airtight containers. It is stable under normal storage conditions but may degrade if exposed to moisture or high temperatures. Maintain storage temperatures between 2-8°C to preserve its chemical integrity and prolong shelf life.