Catalysts And Absorbents #6638503

fluorocinnamic acid, alias p-fluorocinnamic acid, is a food flavor orspicein the chinese market. 2-fluorocinnamic acid is a pharmaceutical intermediate in the form of white crystals. it is mainly prepared from fluorocinnamaldehyde, malonic acid and pyridine. commonly used in medical raw materials

2-methylcinnamic acidalso named o-methylcinnamic acid, 3-o-tolyl-acrylic acid; acid; trans-2-methylcinnamic acid; 2-methylcinnamic acid, and so on. Itis a chemical substance of the formula c10h10o2.2-methylcinnamic acidis essenceorspicesin chinese market. Non-fragranceoften used as a fragrance for daily use.

preparation method: from the aqueous poplar aldehyde and dimethyl sulfate methylation reaction was made.

the 3kg sodium hydroxide is mixed with 30% aqueous solution and added by stirring in a solution containing 12.2kg of water, yang aldehyde and 80l water, heated to boiling.

2-Chlorocinnamic Acidis created from the reaction of O-chloro-cinnamic acid with propionic acid.Cinnamic acid can be used as flavoring, cinnamic acid is a kind of purified substance that extracts meat guizhong, it has high value. Cinnamic acid has the aroma of resin and honey. Cinnamic acid has cis-inverse two isomers (usually in the presence of a trans-structure), natural products are trans-

The form of free or combined state exists in styrax fat, cinnamon oil, basil oil.

O-trifluoromethylcinnamic acidis created by reacting m-trifluoromethylbenzaldehyde with malonic acid.

Its an organic synthesis intermediate, used as medicine and pesticide intermediate.

C. Insoluble in water, soluble in ethanol and hot oil. It is a very dangerous pharmaceutical intermediate that is irritating to the eyes, respiratory tract and skin. But O-bromocinnamic acid is a very potent pharmaceutical intermediate, mainly used in the manufacture of pesticides, chemicals, hormones, and fertilizeretc. When you refine or use the medicine synthesized by it, if it comes into contact with your eyes, immediately rinse it with plenty of water and send it to the doctor. Always wear appropriate protective clothing, gloves, and protective goggles or a face shield.

FEMA (mg / kg): beverage 0.02 1.0; cold drink 0.48 1.0; candy 0.80 4.0; baked goods 17.0; gel, pudding, 1.2; dairy products 2.0;FDA, 172.515 (2000): The amount is limited.The perfume ingredients used to formulate the fragrance must not exceed the maximum allowable amount and maximum allowable residue in GB 2760.

Chemical properties: white prismatic crystals. The temperature of 48.5 C, the boiling point of 280C, 125-129C(0.8 kPa), the relative density of 1.071. Soluble in hot water, alcohol, benzene, chloroform

stability and reactivity

incompatibilities

oxidizing agents.

stability

stable at room temperature in closed containers under normal storage, and handling conditions.

decomposition

hydrogen chloride, and carbon monoxide, and irritating and toxic fumes and gases, carbon dioxide.

1 Precautions for safe handling Ensure good ventilation/extraction at the workplace. Store in cool, dry place in tightly closed receptacles. Information about fire - and explosion protection: No special measures required.

2 Conditions for safe storage, including any incompatibilities .

Storage: Requirements to be met by storerooms and receptacles: Store in a cool location. Please refer to the manufacturer's certificate for specific storage and transport temperature conditions. Store only in the original receptacle. Keep container in a well-ventilated place. Keep away from sources of ignition and heat. Information about storage in one common storage facility: Store away from foodstuffs. Further information about storage conditions: Keep container tightly sealed.

3 Specific end use(s) No further relevant information available.

Disposal considerations

Waste treatment methods Recommendation Must not be disposed of together with household garbage. Do not allow product to reach sewage system.

European waste catalogue Waste disposal key numbers from EWC have to be assigned depending on origin and processing.

2-Fluorocinnamic acid Introduce:

Fluorocinnamic acid, alias p-Fluorocinnamic acid, is a food flavor orspicein the Chinese market. 2-Fluorocinnamic acid is a pharmaceutical intermediate in the form of white crystals. It is mainly prepared from fluorocinnamaldehyde, malonic acid and pyridine. Commonly used in medical raw materials, external medicines, synthetic drugs, can also be used as a fluorescent agent. It is used to treat hemorrhoids, bruises, bruises and bruises. Physical properties: insoluble in water, soluble in ethanol, ethyl acetate and other organic solvents. 2-Fluorocinnamic acid store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. And stable at room temperature in closed containers under normal storage and handling conditions.