630748

7,8-Dihydroxy-4-methylcoumarin

97%

• Synonym(s): 4-Methyldaphnetin
• Empirical Formula (Hill Notation): C₁₀H₈O₄
• CAS Number: 2107-77-9
• Molecular Weight: 192.17
• EC Number: 218-290-4
• MDL number: MFCD00016972
• UNSPSC Code: 12352100
• PubChem Substance ID: 24882339
• NACRES: NA.22

Properties

• Quality Level: 100
• assay: 97%
• form: solid
• mp: 242-246 °C (lit.)
• functional group: ester
• storage temp.: 2-8°C
• SMILES string: CC1=CC(=O)Oc2c(O)c(O)ccc12
• InChI: 1S/C10H8O4/c1-5-4-8(12)14-10-6(5)2-3-7(11)9(10)13/h2-4,11,13H,1H3
• InChI key: NWQBYMPNIJXFNQ-UHFFFAOYSA-N

Description

Application

Can be used as a fluorescent sensor to monitor the consumption of a boronic acid in a Suzuki cross-coupling reaction. Fluorescence is easily detectable to the naked eye using a standard hand-held long-wave UV lamp (365 nm).

Safety Information

• pictograms: GHS08
• signalword: Danger
• hcodes: H319,H334
• pcodes: P261 - P305 + P351 + P338 - P342 + P311
• Hazard Classifications: Eye Irrit. 2 - Resp. Sens. 1
• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: dust mask type N95 (US), Eyeshields, Faceshields, Gloves