Naphthofluorescein

• Catalog No.: 70420
• CAS Number: 61419-02-1
• M. F.: C28H16O5
• M. W.: 432.42364

SYNONYMS

• IUPAC name: 7',19'-dihydroxy-3H-2'-oxaspiro[2-benzofuran-1,13'-pentacyclo[12.8.0.0^3,^1^2.0^4,^9.0^1^7,^2^2]docosane]-1'(22'),3',5',7',9',11',14',16',18',20'-decaen-3-one
• IUPAC Traditional name: 7',19'-dihydroxy-2'-oxaspiro[2-benzofuran-1,13'-pentacyclo[12.8.0.0^3,^1^2.0^4,^9.0^1^7,^2^2]docosane]-1'(22'),3',5',7',9',11',14',16',18',20'-decaen-3-one

DATABASE IDS

• PubChem SID: 24886081
• MDL Number: MFCD00329026
• Beilstein Number: 61335
• CAS Number: 61419-02-1

PROPERTIES

• Empirical Formula (Hill Notation): C28H16O5
• Suitability: suitable for fluorescence
• pKa: 7.6
• Fluorescence: λex 594 nm; λem 663 nm in 0.1 M Tris pH 9.0
• Melting Point: 189 °C (dec.)(lit.)
• Solubility: DMF: soluble
• Solubility: DMSO: soluble
• Solubility: H2O: soluble (pH ≥ 8)
• 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
Reference standard. Long-wavelength pH-dependent spectra1

Description (简体中文)

Application
suitable as pH-indicator
Other Notes
Reference standard. Long-wavelength pH-dependent spectra1