147700-58-1 - Names and Identifiers
147700-58-1 - Physico-chemical Properties
Molecular Formula | C9 H6 F2 O2
|
Molar Mass | 184.14 |
Density | 1.379±0.06 g/cm3(Predicted) |
Melting Point | 204-205 °C (lit.) |
Boling Point | 272.0±25.0 °C(Predicted) |
pKa | 4.15±0.10(Predicted) |
Storage Condition | Room Temprature |
147700-58-1 - Risk and Safety
Hazard Symbols | Xi - Irritant
|
Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin.
|
Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36 - Wear suitable protective clothing.
|
WGK Germany | 3 |
Hazard Class | IRRITANT |
147700-58-1 - Introduction
trans-3,5-difluorocinnamic acid is an organic compound with the formula C9H5F2COOH. The following is a description of the nature, use, preparation and safety information of trans-3,5-difluorocinnamic acid:
Nature:
1. Appearance: trans-3,5-difluorocinnamic acid is a white crystalline solid.
2. Solubility: trans-3,5-difluorocinnamic acid is soluble in alcohol and ether solvents, slightly soluble in non-polar solvents, insoluble in water.
3. Melting point: trans-3, the melting point of 5-difluorocinnamic acid is about 135-137 degrees Celsius.
4. Chemical properties: trans-3,5-difluorocinnamic acid has strong acidity and can react with alkali to generate salt.
Use:
1. trans-3,5-difluorocinnamic acid can be used as an important intermediate in organic synthesis.
2. It is used in the field of medicine to synthesize some biologically active compounds, such as pharmaceutical raw materials and pharmaceutical synthesis intermediates.
3. trans-3,5-difluorocinnamic acid can also be used for the preparation of pesticides and photosensitive materials.
Method:
1. trans-3, the main preparation method of 5-difluorocinnamic acid is obtained by the reduction reaction of 3,5-difluorocinnamic acid. The reducing agent is commonly used metal copper, ferrous sulfate or other suitable reducing agent.
2. After the reduction reaction is carried out, trans-3,5-difluorocinnamic acid can be separated and purified by crystals to obtain pure products.
Safety Information:
1. trans-3,5-difluorocinnamic acid should avoid contact with strong oxidants to avoid dangerous reactions.
2. Use or handle trans-3,5-difluorocinnamic acid should be careful to avoid inhalation of dust and contact with skin, eyes and mucous membranes.
3. When operating trans-3 in the laboratory, 5-difluorocinnamic acid, protective gloves, protective glasses and laboratory coat should be worn.
4. trans-3, the use and handling of 5-difluorocinnamic acid should be carried out in a well-ventilated place to avoid breathing toxic gases.
5. Store trans-3,5-difluorocinnamic acid in a sealed, dry and cool place, away from open flames and heat sources.
Please note that when using chemicals, it is important to follow the correct experimental procedures and refer to the relevant safety data sheets and operating procedures for chemicals.
Last Update:2024-04-09 15:17:52