ChemicalBook--->CAS DataBase List--->2445-82-1

2445-82-1

2445-82-1 Structure

2445-82-1 Structure
IdentificationBack Directory
[Name]

3-METHYL-CHROMEN-2-ONE
[CAS]

2445-82-1
[Synonyms]

3-methylcoumarin
3-methyl-coumari
3-Methy Coumarin
3-Methyl-chromen-2-on
3-METHYL-CHROMEN-2-ONE
3-Methyl-2-oxochromene
3-methyl-2H-chromen-2-one
3-Methyl-2-oxo-2H-benzopyran
3-methyl-2h-1-benzopyran-2-on
3-methyl-2h-1-benzopyran-2-one
3-METHYL-1H-1-BENZOPYRAN-2-ONE
2H-1-Benzopyran-2-one, 3-methyl-
[EINECS(EC#)]

219-498-8
[Molecular Formula]

C10H8O2
[MDL Number]

MFCD00059758
[MOL File]

2445-82-1.mol
[Molecular Weight]

160.169
Chemical PropertiesBack Directory
[Melting point ]

91°C
[Boiling point ]

292.5°C (estimate)
[density ]

1.0924 (rough estimate)
[refractive index ]

1.5300 (estimate)
[storage temp. ]

Store at room temperature
[Appearance]

Light yellow to yellow Solid
[LogP]

2.420 (est)
Safety DataBack Directory
[Symbol(GHS) ]

Skull and Crossbones (GHS06)
GHS06
[Signal word ]

Danger
[Hazard statements ]

H301-H402
[Precautionary statements ]

P264-P270-P273-P301+P310+P330-P405-P501
Raw materials And Preparation ProductsBack Directory
[Raw materials]

Iodine-->Salicylaldehyde-->Propionic anhydride-->Sodium propionate
Hazard InformationBack Directory
[Chemical Properties]

White crystals. The melting point is 91°C and the boiling point is 292.5°C. Soluble in alcohol, slightly soluble in water.
[Uses]

3-Methyl-chromen-2-one has a vanilla fragrance and is used in fragrances and cosmetics. It is also used as intermediates in organic synthesis.
[Application]

Powerful and rich, Tonka-like, sweet-herbaceous odor, somewhat drier than that of Coumarin. Good tenacity.
3-methyl-chromen-2-one finds some use in perfumery as a modifier for Coumarin and 6-Methylcoumarin in Chypres, Oriental bases, Lavender compositions or Tonka-bases, etc.
It blends extremely pleasantly with Oakmoss products and Bergamot for Chypre bases, and gives warm natural background to Lavender and other herbaceous fragrances.
[Synthesis]

3-Methyl-chromen-2-one is obtained by reacting salicylaldehyde and propionic anhydride, and then recrystallizing from ethanol.
Spectrum DetailBack Directory
[Spectrum Detail]

3-METHYL-CHROMEN-2-ONE(2445-82-1)1HNMR
3-METHYL-CHROMEN-2-ONE(2445-82-1)13CNMR
3-METHYL-CHROMEN-2-ONE(2445-82-1)IR1
3-METHYL-CHROMEN-2-ONE(2445-82-1)Raman
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