4-Methylumbelliferone, 97%

Catalog No.	Quantity
AAA1033718	50 g
AAA1033730	250 g
AAA103370B	1000 g

Catalog No. AAA1033718 Supplier Thermo Scientific Chemicals Supplier No. A1033718

Description

CAS: 90-33-5 | C10H8O3 | 176.17 g/mol

4-Methylumbelliferone is used in the determination of nitric acid and as a standard for fluorometric determination of enzyme activity. It is also used in bile therapy.

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
4-Methylumbelliferone is used in the determination of nitric acid and as a standard for fluorometric determination of enzyme activity. It is also used in bile therapy.

Solubility
Soluble in alcohol. Insoluble in cold water. Soluble in acetic acid, alkali and ammonium hydroxide. Slightly soluble in hot water, chloroform and diethyl ether.

Notes
Store in a cool place. Incompatible with strong bases and strong oxidizing agents.

Specifications

Chemical Identifiers

• CAS: 90-33-5
• Molecular Formula: C10H8O3
• Molecular Weight (g/mol): 176.17
• MDL Number: MFCD00006866
• InChI Key: HSHNITRMYYLLCV-UHFFFAOYSA-N
• Synonym: 4-methylumbelliferone, hymecromone, 7-hydroxy-4-methylcoumarin, imecromone, 7-hydroxy-4-methyl-2h-chromen-2-one, cholestil, mendiaxon, 4-methyl-7-hydroxycoumarin, beta-methylumbelliferone, bilcolic
• PubChem CID: 5280567
• ChEBI: CHEBI:17224
• IUPAC Name: 7-hydroxy-4-methylchromen-2-one
• SMILES: CC1=CC(=O)OC2=CC(O)=CC=C12

• Melting Point: 186°C to 191°C
• Quantity: 50 g
• Beilstein: 142217
• Merck Index: 14,4854
• Solubility Information: Soluble in alcohol; Insoluble in cold water; Soluble in acetic acid,alkali and ammonium hydroxide; Slightly soluble in hot water,chloroform and diethyl ether.
• Formula Weight: 176.17
• Percent Purity: 97%
• Chemical Name or Material: 4-Methylumbelliferone

Safety and Handling

Hazard Category	H315-H319-H335-H500
Hazard Statement	GHS H Statement H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.
Precautionary Statement	P261-P264b-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P332+P313-P362-P501c
EINECSNumber	201-986-7
RTECSNumber	GN7000000
TSCA	Yes
Recommended Storage	Ambient temperatures

SDS

RUO – Research Use Only