7-Hydroxycoumarin-3-carboxylic acid

Chemical Properties

Melting point	261 °C(lit.)
Boiling point	474.8±45.0 °C(Predicted)
Density	1.639±0.06 g/cm3(Predicted)
storage temp.	Keep in dark place,Sealed in dry,Store in freezer, under -20°C
solubility	DMF: soluble
form	powder to crystal
pka	7.04 ± 0.02, temperature: 23 °C
color	Yellow solid;Orange solid; Off-white powder
λmax	386 nm (Buffer pH 10.0); 339 nm (Buffer pH 4.0)
BRN	384141
Major Application	Carbon-dioxide sensor; chemical sensors based on non-linear optics; monitoring of cationic photopolymerization processes; nanomaterials
Biological Applications	Chemical dosimeter for radiation therapy; detecting bacteria; detecting/sensing hydroxyl radicals; studying nucleic acids; as a substrate for measuring carboxylesterases activity, cellulases activity, β-galactosidases activity, glycosidases activity, glycosyltransferases activity, hydrolases activity, 4-hydroxycinnamate decarboxylases activity, β-lactamases activity, phosphatases activity, sulfatases activity; treating cancer/antitumor activity
InChI	InChI=1S/C10H6O5/c11-6-2-1-5-3-7(9(12)13)10(14)15-8(5)4-6/h1-4,11H,(H,12,13)
InChIKey	LKLWLDOUZJEHDY-UHFFFAOYSA-N
SMILES	C1(=O)OC2=CC(O)=CC=C2C=C1C(O)=O