4-Methylcinnamic acid is a chemical. For daily chemical essence and pharmaceutical intermediates.
| CAS No. | 1866-39-3 |
|---|---|
| Formula | C10H10O2 |
Molecular weight: 162.19
Appearance: white crystalline powder
Melting point: 198-201 ° C insoluble in water, soluble in ethanol, ethyl acetate and other organic solvents. There are two types: high and low. The high melting point type is needle crystal. Soluble in hot water, ethanol and benzene, insoluble in petroleum. Melting point 198-199 ℃. The low melting point type is lamellar or acicular crystal. Extremely soluble in ethanol, ether, carbon disulfide and chloroform. Boil it with dilute hydrochloric acid, and it can be converted into high melting point type. The melting point is 75~76 ℃.
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