Product name: Coumarin
No.:A059
CAS No.: 91-64-5
M F: C9H6O2
Purity: 99%min
Property: With balmy smell colourless crystal, solve in alcohol、aether 、chloroform and sodium hydroxide solution,decline solve in water.
Molecular weight: 146.15
Technical index |
Item Name | AR Grade |
Assay W, percern | ≥99.5 |
Solubility in alcohol, percent | Passes test |
Sulfated ash W, percent | ≤0.02 |
Melting range ℃ | 68-70 |