4-甲基-7-羟基自由基Coumarin（化学文摘社编90-33-5)

Chemical Name 4-Methylumbelliferone/7-hydroxyl-4-Methyl-CoumarinThe same name7-HYDROXY-4-METHYLCOUMARIN , COUMARIN 47-Hydroxy-4-methyl-2H-1-benzopyran-2-one,4-MU (4-METHYLUMBELLIFERONE),HYMECROMONECAS NO.90-33-5Molecular FormulaC10H8O3MW176.17AppearanceWhite powder(Needle-like crystal body)EINECS201-986-7Melting point186-191Celsius degreeSolubilitySoluble in ethanol, acetic acid, alkali solution and ammonia, slightly soluble in hot water, ether and chloroformPurity97%(HPLC)Water content<2.5%Dangerous Goods signsXi, XnHazard class Code36/37/38-20/21/22SAFETY INSTRUCTIONS26-37/39-36Hazard NoteIrritantApplicationUsed as a pharmaceutical intermediate.Use of the product as a gallbladder drug, anti-allergy cromolyn sodium is the intermediatePackingPacking in 25kg fiber drum or according to the requirement of the customers