7-Hydroxycoumarin-3-carboxylic acid

• Catalog No.: 55155
• CAS Number: 779-27-1
• M. F.: C10H6O5
• M. W.: 206.15164
• Purity: ≥98.0% (TLC)

SYNONYMS

• IUPAC name: 7-hydroxy-2-oxo-2H-chromene-3-carboxylic acid
• IUPAC Traditional name: 7-hydroxy-2-oxochromene-3-carboxylic acid
• Synonyms: Umbelliferone-3-carboxylic acid

DATABASE IDS

• MDL Number: MFCD00017491
• PubChem SID: 24879225
• Beilstein Number: 384141
• CAS Number: 779-27-1

PROPERTIES

• Empirical Formula (Hill Notation): C10H6O5
• Purity: ≥98.0% (TLC)
• Suitability: suitable for fluorescence
• pKa: 7.04
• Fluorescence: λex 342 nm; λem 447 nm (pH 4.0)
• Fluorescence: λex 386 nm; λem 448 nm in 0.1 M Tris pH 9.0
• Melting Point: 261 °C(lit.)
• Solubility: DMF: soluble
• Solubility: DMSO: soluble
• Solubility: alcohols: soluble
• GHS Signal Word: Warning
• GHS Hazard statements: H315-H319-H335
• European Hazard Symbols: Irritant (Xi)
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves
• GHS Precautionary statements: P261-P305 + P351 + P338
• Risk Statements: 36/37/38
• Safety Statements: 26-36
• German water hazard class: 3

DETAILS

Description (English)

Application
suitable as pH-indicator
Other Notes
Immobilized on a support to give a pH sensor1

Description (简体中文)

Application
suitable as pH-indicator
Other Notes
Immobilized on a support to give a pH sensor1