三氟甲磺酸-2-吡啶酯 - Names and Identifiers
三氟甲磺酸-2-吡啶酯 - Physico-chemical Properties
Molecular Formula | C6H4F3NO3S
|
Molar Mass | 227.16 |
Density | 1.477 g/mL at 25 °C (lit.) |
Boling Point | 108 °C/25 mmHg (lit.) |
Flash Point | 80°F |
Vapor Presure | 0.0218mmHg at 25°C |
Appearance | Liquid |
Color | Colorless to orange |
pKa | -1.98±0.19(Predicted) |
Storage Condition | 2-8℃ |
Refractive Index | n20/D 1.435(lit.) |
MDL | MFCD00192531 |
三氟甲磺酸-2-吡啶酯 - Risk and Safety
Hazard Symbols | Xi - Irritant
|
Risk Codes | R10 - Flammable
R36/37/38 - Irritating to eyes, respiratory system and skin.
|
Safety Description | S16 - Keep away from sources of ignition.
S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36 - Wear suitable protective clothing.
|
UN IDs | UN 1993 3/PG 3 |
WGK Germany | 3 |
HS Code | 29333990 |
Hazard Class | 3.2 |
Packing Group | III |
三氟甲磺酸-2-吡啶酯 - Introduction
2-pyridyl trifluoromethanesulfonate, also known as 2-pyridyl trifluoromethanesulfonate, with the chemical formula C6H4F3NO3S, is an organic compound. The following is a description of its nature, use, preparation and safety information:
1. nature:
-Appearance: The solid of 2-pyridine ester is a white crystalline powdery substance.
-Solubility: It has low solubility in water, but has good solubility in organic solvents (such as ethanol, dimethylformamide).
-Melting point: Its melting point is about 80-82°C.
-Stability: It is a stable compound, but avoid contact with strong oxidants.
2. use:
-2-Pyridyl ester is widely used as a reagent in organic synthesis, and can be used as a catalyst or an intermediate involved in reactions.
-It can be used to synthesize a variety of organic compounds, such as pyridine compounds, acetylene compounds, quinoline compounds, etc.
3. Preparation method:
The preparation method of -2-pyridine ester usually involves the reaction of 2-pyridinol and trifluoromethanesulfonic acid. The reaction is generally carried out at room temperature and the product can be purified by crystallization or column chromatography.
4. Safety Information:
- 2-pyridine ester is generally relatively safe under normal use conditions, but it still needs to be handled with caution. Avoid inhaling, touching skin, or swallowing the compound.
-Wear appropriate personal protective equipment during operation, such as lab gloves, goggles, etc.
-Please follow good laboratory safety practices and operating instructions when handling this compound.
Last Update:2024-04-10 22:29:15