O-methoxy-cinnamaldehyde
O-methoxy-cinnamaldehyde
Product categories: cinnamic series
Product content: 98%
Chemical formula: C8H8O2
CAS Number: 135-02-4
Quality Standard: FCCIV
Packaging Specifications: 25KG
Synonyms: 2 - methoxy benzaldehyde, o-anisaldehyde, salicylaldehyde ether
CAS: 135-02-4
Product Description: Product Name: o-methoxy benzaldehyde
O-methoxy-cinnamaldehyde
Molecular Formula: C8H8O2
Molecular Weight: 136.15
Boiling Point: 238 ℃
Melting point: 35-38 ℃
The nature of description:
English name: 2-Methoxybenzaldehyde
Colorless prism crystals. Melting point 39 ℃, boiling point 238 ℃ ,70-75 ℃ / 0.2kPa, the relative density of 1.1326 (20 / 4 ℃), refractive index
Production methods:
Rate of 1.5597, flash point 117 ℃. Soluble in alcohol, ether, benzene, insoluble in water. Role with the sulfuric acid yellow.
From salicylaldehyde with dimethyl sulfate methylation reaction obtained. 3kg pair will be 30% sodium hydroxide aqueous solution, add in the mixing
About 3h increasingly continue to return to 2-3h, cooling oil, 5% sodium hydroxide solution washing, and then washed to pH 8, added anhydrous potassium carbonate
Salicylaldehyde with 12.2kg and 80L water solution, heated to boiling. To 12.9kg slowly adding dimethyl sulfate to maintain the return of reaction solution
Uses:
Dry. After the desiccant filter vacuum distillation, collecting 120 ℃ (2.0kPa) distillate, which is o-methoxy benzaldehyde. Methylation reactions
Can be carried out in the solvent toluene, the yield of 60%.