What is 4-Methylumbelliferone CAS 90-33-5?
4-Methylobelliferone needle shaped crystals. Melting point 185-186 ℃ (194-195 ℃), soluble in ethanol, acetic acid, alkaline solutions, and ammonia, slightly soluble in hot water, ether, and chloroform. Blue fluorescence when reacting with concentrated sulfuric acid
Specification
Item |
Specification |
MW |
176.17 |
Melting point |
188.5-190 °C(lit.) |
Purity |
slightly soluble |
SOLUBLE |
Soluble in water. |
Storage conditions |
2-8°C |
pKa |
7.79(at 25℃) |
Application
4-Methylobelliferone is a choleretic drug and an intermediate of the anti allergic drug sodium succinate. 4-Methylobelliferone laser dye, standard for fluorescence determination of enzyme activity. An indicator for measuring nitric acid.
Packing
Usually packed in 25kg/drum,and also can be do customized package.
