USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
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
properties:
white crystals, its odor is similar to the sweet aroma of tonka beans and fresh hay. blends with isobutyl cinnamate and anisyl alcohol; soluble in paraffin oil and alcohol; insoluble in water.
specifications:
item |
specifications |
appearance |
white crystal or crystaline powder |
oder |
sweet, tonka-bean odor |
melting point |
69 °c |
water |
≤0.5% |
purity(%) |
≥ 98.00% |
application:
coumarin is an important material of perfumery and fragrances. widely used in tobacco and foodstuff essences.
packing& storage:
in new fibre drums with inner plastic bags of 50kg and 25kg net.
stored in dry and ventilated place.