Coumarin, also known as difuran cyclooxygenate naphthalene ketone, is a widely occurring lactone compound in nature, mostly found in plants of the Rutaceae and Umbelliferae families. It is an important class of natural organic compounds.
CAS No. :
91-64-5Origin :
CHINAMinimum Order :
200KGItem :
CoumarinHigh Quality Aromatic Fixative Coumarin CAS 91-64-5
Description
Coumarin is a white crystalline substance with sublimation properties, with a lemongrass aroma and a slight medicinal aroma. It is insoluble in cold water, but soluble in hot water, ethanol, ether, and chloroform.
Specification
| TEST | SPECIFICATION | RESULT |
| Colour and appearance | White crystals | White crystals |
| Odor | Resembles tonka beans odor | Pure |
| Melting Point(℃) | Min 69.0 | 69.5 |
| Purity(%) | Min 99.0 | 99.88 |
| Solubility(25℃) | 1 gram is soluble in 8 ML of 90% alcohol, shows transparent liquid. | Pass |
Application
Coumarin is an important spice commonly used as a fixative. It is used to prepare perfume and floral water essence, and also used as a fragrance enhancer for cigarettes, rubber products, plastic products, etc.
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