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ChemicalBook--->CAS DataBase List--->2107-77-9

2107-77-9

2107-77-9 Structure

2107-77-9 Structure
IdentificationMore
[Name]

7,8-DIHYDROXY-4-METHYLCOUMARIN
[CAS]

2107-77-9
[Synonyms]

4-METHYL-7,8-DIHYDROXYCOUMARIN
4-METHYLDAPHENETIN
4-METHYLDAPHNETIN
7,8-DIHYDROXY-4-METHYL-2H-CHROMEN-2-ONE
7,8-DIHYDROXY-4-METHYLCOUMARIN
METHYLDAPHNETIN, 4-
7,8-dihydroxy-4-methyl-2h-1-benzopyran-2-on
7,8-dihydroxy-4-methyl-2h-1-benzopyran-2-one
7,8-dihydroxy-4-methyl-coumari
7,8-dihydroxy-4-methyl-2-benzopyrone
[EINECS(EC#)]

218-290-4
[Molecular Formula]

C10H8O4
[MDL Number]

MFCD00016972
[Molecular Weight]

192.17
[MOL File]

2107-77-9.mol
Chemical PropertiesBack Directory
[Melting point ]

242-246 °C (lit.)
[Boiling point ]

421.5±45.0 °C(Predicted)
[density ]

1.456±0.06 g/cm3(Predicted)
[storage temp. ]

2-8°C
[form ]

powder to crystal
[pka]

7.72±0.20(Predicted)
[color ]

White to Light yellow to Light orange
[Sensitive ]

Light Sensitive
[λmax]

325nm(MeOH)(lit.)
[Detection Methods]

HPLC,NMR,MS
[BRN ]

177613
[CAS DataBase Reference]

2107-77-9(CAS DataBase Reference)
[Storage Precautions]

Light sensitive
Safety DataBack Directory
[Hazard Codes ]

Xi
[Risk Statements ]

R36:Irritating to the eyes.
R43:May cause sensitization by skin contact.
[Safety Statements ]

S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37:Wear suitable protective clothing and gloves .
[WGK Germany ]

3
[RTECS ]

GN6385000
[HS Code ]

29349990
Raw materials And Preparation ProductsBack Directory
[Raw materials]

Ethanol-->Sulfuric acid-->Ethyl acetoacetate-->Pyrogallol
[Preparation Products]

7-Methoxy-8-hydroxy-4-MethylcouMarin
Hazard InformationBack Directory
[Chemical Properties]

Solid
[Uses]

Can be used as a fluorescent sensor to monitor the consumption of a boronic acid in a Suzuki cross-coupling reaction. Use a long wave UV lamp.
[Definition]

ChEBI: 7,8-dihydroxy-4-methyl-1-benzopyran-2-one is a hydroxycoumarin.
Well-known Reagent Company Product InformationBack Directory
[Alfa Aesar]

7,8-Dihydroxy-4-methylcomarin, 97%(2107-77-9)
[Sigma Aldrich]

2107-77-9(sigmaaldrich)
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