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Naphthofluorescein

Catalog No. 70420 Name Sigma Aldrich
CAS Number 61419-02-1 Website http://www.sigmaaldrich.com
M. F. C28H16O5 Telephone 1-800-521-8956
M. W. 432.42364 Fax
Purity Email
Storage Chembase ID: 155986

SYNONYMS

IUPAC name
7',19'-dihydroxy-3H-2'-oxaspiro[2-benzofuran-1,13'-pentacyclo[12.8.0.03,12.04,9.017,22]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[12.8.0.03,12.04,9.017,22]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 Pictograms GHS07
GHS Signal Word Warning
GHS Hazard statements H315-H319-H335
European Hazard Symbols Irritant Irritant (Xi)
MSDS Link Download
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

REFERENCES