Merck
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93979

Sigma-Aldrich

Umbelliferone

suitable for fluorescence indicator, ≥98.0% (HPLC)

Synonym(s):
7-Hydroxy-2H-1-benzopyran-2-one, 7-Hydroxycoumarin
Empirical Formula (Hill Notation):
C9H6O3
CAS Number:
Molecular Weight:
162.14
Beilstein:
127683
EC Number:
MDL number:
PubChem Substance ID:

Quality Level

assay

≥98.0% (HPLC)

form

crystals

mp

230 °C (dec.) (lit.)
230-233 °C

solubility

dioxane: soluble
ethanol: soluble

fluorescence

λex 325 nm; λem 452 nm in 0.1 M citrate pH 3.0

suitability

suitable for fluorescence indicator

SMILES string

Oc1ccc2C=CC(=O)Oc2c1

InChI

1S/C9H6O3/c10-7-3-1-6-2-4-9(11)12-8(6)5-7/h1-5,10H

InChI key

ORHBXUUXSCNDEV-UHFFFAOYSA-N

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Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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