79279

Sigma-Aldrich

3-Phenylumbelliferone

suitable for fluorescence, ≥98.0% (TLC)

Synonym(s):
7-Hydroxy-3-phenylcoumarin
Empirical Formula (Hill Notation):
C15H10O3
CAS Number:
Molecular Weight:
238.24
Beilstein/REAXYS Number:
384125
MDL number:
PubChem Substance ID:
NACRES:
NA.32
Pricing and availability is not currently available.

assay

≥98.0% (TLC)

pKa 

7.8

mp

206-210 °C (lit.)

solubility

DMF: soluble
DMSO: soluble
alcohols: soluble

fluorescence

λex 338 nm; λem 463 nm (pH 3.0)
λex 383 nm; λem 472 nm in 0.1 M Tris pH 9.0

suitability

suitable for fluorescence

SMILES string

Oc1ccc2C=C(C(=O)Oc2c1)c3ccccc3

InChI

1S/C15H10O3/c16-12-7-6-11-8-13(10-4-2-1-3-5-10)15(17)18-14(11)9-12/h1-9,16H

InChI key

RIPZCQZTVDNJHQ-UHFFFAOYSA-N

Gene Information

human ... MIF(4282)

Application

suitable as pH-indicator

Other Notes

Fluorescent pH probe for the physiological pH range

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

RIDADR

NONH for all modes of transport

WGK Germany

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis
Certificate of Origin
O.S. Wolfbeis
Zeitschrift fur Naturforschung, A, 32, 1065-1065 (1977)

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