Butanenitrile, 4,4,4-trifluoro-3-oxo- - Names and Identifiers
Butanenitrile, 4,4,4-trifluoro-3-oxo- - Physico-chemical Properties
Molecular Formula | C4H2F3NO
|
Molar Mass | 137.05 |
Density | 1.350±0.06 g/cm3(Predicted) |
Boling Point | 43 °C(Press: 2.5 Torr) |
pKa | 2.74±0.10(Predicted) |
Storage Condition | Inert atmosphere,Store in freezer, under -20°C |
Butanenitrile, 4,4,4-trifluoro-3-oxo- - Upstream Downstream Industry
Butanenitrile, 4,4,4-trifluoro-3-oxo- - Introduction
4,4, is an organic compound with the chemical formula C4F3NO. The following is a detailed description of the properties, uses, preparation and safety information of this compound:
Nature:
1. Appearance: 4,4, is a colorless to light yellow liquid.
2. Odor: has a special smell.
3. Melting Point: About -8 ℃.
4. Boiling point: about 135 ℃.
5. Density: about 1.505 g/cm.
6. Solubility: Soluble in organic solvents such as ethanol, dimethylformamide, dichloromethane, etc.
Use:
4,4, often used as an important intermediate in organic synthesis, has important application value, such:
1. For the synthesis of drugs and pharmaceutical intermediates.
2. Used as raw materials for the preparation of dyes and pigments.
3. As a monomer for the synthesis of polymer materials.
4. Application in pesticide synthesis.
Method:
A common preparation method is through the reaction of trifluoroacetyl chloride and malononitrile. The specific steps are as follows:
1. Trifluoroacetyl chloride was slowly added dropwise to The stirred malononitrile under cooling.
2. When the reaction is nearly complete, continue stirring for several hours.
3. The product was purified by distillation and crystallization.
Safety Information:
1. 4,4, irritant to eyes, skin and respiratory tract.
2. Avoid inhalation of its vapor, avoid contact with skin and eyes.
3. In case of accidental contact, immediately flush the affected area with plenty of water and seek medical help.
4. Wear appropriate protective equipment such as gloves, goggles and protective clothing when using or handling the compound.
5. Waste must be disposed of in accordance with local regulations.
Last Update:2024-04-09 15:18:03