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Coumarin
Introduction:
Coumarin (anhydride of o-coumaric acid) is white, crystalline lactone, obtainable naturally from several plants, such as tonka bean, lavender, sweet clover grass, strawberries, and cinnamon, or produced synthetically from an amino acid, phenylalanine. It is the principle of dicumarol which inhibits the hepatic synthesis of the vitamin K–dependent coagulation factors.
Other name: 2H-1-Benzopyran-2-one
CAS Number: 91-64-5
Molecular Formula: C9H6O2
MW: 146.14
EIENCS NO.: 202-086-7
FEMA: 2744
InChI: 1S/C9H6O2/c10-9-6-5-7-3-1-2-4-8(7)11-9/h1-6H
Melting point: 68-71ºC
Boiling point: 162ºC
Water solubility: 1.7G/L(20ºC)
Flash point:126ºC
Density: 0.935g/ml
Characteristics:colorless to pale yellow clear liquid
Assay: 99% min
Standard: USP/BP/CP/EP
Specifications:
|
Item |
Specifications |
|
Appearance |
white crystal or crystaline powder |
|
Oder |
sweet, tonka-bean odor |
|
Melting Point |
69 °C |
|
Water |
≤0.5% |
|
Purity(%) |
≥ 98.00% |
Package:25kg/drum or as your request.
Storage Situation: Stored in a cool and dry well-closed container. Keep away from moisture and strong light/heat.
Shelf Life: Two years when properly stored.
Delivery: within two weeks after receiving your prepayment.
Service we can provide:
1.Mixed container, we can mix different items in one container.
2.Quality control, before shipment, free sample for test. after shipment, keep sample for 3 years
3.Prompt shipment with professional documents
4.Packing as your request, with photo before shipment.
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To get more information, just feel free to contact with us. Thanks.
Mr. Liu
Qingdaofraken international trading co., ltd
Address: RM1005 post mansion yan’an three road ,qingdao ,China
Tel: 0086 532 83899718
Fax: 0086 532 8362323




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