2H-1-Benzopyran-2-one,7-hydroxy-5-methyl-

Product Name: 2H-1-Benzopyran-2-one,7-hydroxy-5-methyl-
CAS No.: 7249-26-5
Chemical Name: 2H-1-Benzopyran-2-one,7-hydroxy-5-methyl-
Synonyms: 5-Methylumbelliferone;7-Hydroxy-5-methylcoumarin;7-hydroxy-5-methyl-chromen-2-one;7-Hydroxy-5-methyl-2H-1-benzylpyran-2-one;2H-1-Benzopyran-2-one,7-hydroxy-5-methyl-
CBNumber: CB13248376
Molecular Formula: C10H8O3
Formula Weight: 176.17
MOL File: 7249-26-5.mol

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2H-1-Benzopyran-2-one,7-hydroxy-5-methyl- Property

Melting point:: 246.0 to 250.0 °C
Boiling point:: 393.9±42.0 °C(Predicted)
Density: 1.336±0.06 g/cm3(Predicted)
pka: 8.02±0.20(Predicted)
form: powder to crystal
color: Light yellow to Brown
λmax: 333nm(EtOH)(lit.)
CAS DataBase Reference: 7249-26-5

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Safety

HS Code: 2932.20.4500

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P332+P313IF SKIN irritation occurs: Get medical advice/attention.

P337+P313IF eye irritation persists: Get medical advice/attention.

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N-Bromosuccinimide Price

TCI Chemical

Product number: M2948
Product name: 5-Methylumbelliferone
Purity: >95.0%(GC)
Packaging: 1g
Price: $210
Updated: 2024/03/01

Chem-Impex

Product number: 42764
Product name: 5-Methylumbelliferone,≥95%(GC)
Purity: ≥95%(GC)
Packaging: 1G
Price: $247.29
Updated: 2021/12/16

American Custom Chemicals Corporation

Product number: CHM0311809
Product name: 7-HYDROXY-5-METHYL-2H-1-BENZOPYRAN-2-ONE
Purity: 95.00%
Packaging: 5MG
Price: $500.69
Updated: 2021/12/16