7-Hydroxy-2-oxo-2H-chromene-3-carboxylicacid , 98% , 779-27-1

CAS NO.：779-27-1

Empirical Formula: C10H6O5

Molecular Weight: 206.15

MDL number: MFCD00017491

EINECS: 1415-596-9

PRODUCT 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

Description and Uses

Suitable as pH-indicator.

Safety

• Symbol(GHS): GHS07
• Signal word: Warning
• Hazard statements: H315-H319-H335
• Precautionary statements: P261-P264-P271-P280-P302+P352-P305+P351+P338
• Hazard Codes: Xi
• Risk Statements: 36/37/38
• Safety Statements: 26-36
• WGK Germany: 3
• F: 8
• HS Code: 29329990