7-Hydroxycoumarin, 98%, Thermo Scientific Chemicals

Description

7-Hydroxycoumarin is used as an intracellular pH sensitive fluorescent indicator & bloodbrain barrier probe. It is used as a sunscreen agent, and an optical brightener for textiles. It has also been used as a gain medium for dye lasers.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
7-Hydroxycoumarin is used as an intracellular pH sensitive fluorescent indicator & bloodbrain barrier probe. It is used as a sunscreen agent, and an optical brightener for textiles. It has also been used as a gain medium for dye lasers.

Solubility
Soluble in water (slightly at 20°C), 95% ethanol (50 mg/ml), chloroform, acetone, and methanol.

Notes
Store in cool place. Keep container tightly closed in a dry and well-ventilated place. Incompatible with oxidizing agents.

Specifications

Chemical Identifiers

• CAS: 93-35-6
• Molecular Formula: C9H6O3
• Molecular Weight (g/mol): 162.14
• MDL Number: MFCD00006878
• InChI Key: ORHBXUUXSCNDEV-UHFFFAOYSA-N
• Synonym: 7-hydroxycoumarin, umbelliferone, 7-hydroxy-2h-chromen-2-one, hydrangin, skimmetin, 7-hydroxycoumarine, 7-oxycoumarin, hydrangine, skimmetine, umbelliferon
• PubChem CID: 5281426
• ChEBI: CHEBI:27510
• IUPAC Name: 7-hydroxychromen-2-one
• SMILES: OC1=CC=C2C=CC(=O)OC2=C1

• Melting Point: 228°C to 232°C
• Quantity: 100 g
• Beilstein: 127683
• Merck Index: 14,9847
• Solubility Information: Soluble in water (slightly at 20°C),95% ethanol (50mg/ml),chloroform,acetone,and methanol.
• Formula Weight: 162.14
• Percent Purity: 98%
• Chemical Name or Material: 7-Hydroxycoumarin

Safety and Handling

Hazard Category	Warning
Hazard Statement	GHS H Statement H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.
Precautionary Statement	GHS P Statement P261-P280-P305+P351+P338-P304+P340-P405-P501a Avoid breathing dust/fume/gas/mist/vapors/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.
EINECSNumber	202-240-3
RTECSNumber	GN6820000
TSCA	No
Recommended Storage	Ambient temperatures

SDS

RUO – Research Use Only