Benzene, 1-ethyl-4-ethynyl- (6CI, 9CI) - Names and Identifiers
Benzene, 1-ethyl-4-ethynyl- (6CI, 9CI) - Physico-chemical Properties
Molecular Formula | C10H10
|
Molar Mass | 130.19 |
Density | 0.930 g/mL at 25 °C (lit.) |
Boling Point | 30 °C/0.05 mmHg (lit.) |
Flash Point | 160°F |
Vapor Presure | 1.04mmHg at 25°C |
Appearance | clear liquid |
Color | Colorless to Light yellow |
Storage Condition | Keep in dark place,Sealed in dry,Room Temperature |
Refractive Index | n20/D 1.5420(lit.) |
Benzene, 1-ethyl-4-ethynyl- (6CI, 9CI) - Risk and Safety
Hazard Symbols | Xi - Irritant
|
Risk Codes | 36/37/38 - 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.
S37/39 - Wear suitable gloves and eye/face protection
|
UN IDs | UN 3334 |
WGK Germany | 3 |
HS Code | 29029090 |
Hazard Note | Irritant |
Benzene, 1-ethyl-4-ethynyl- (6CI, 9CI) - Introduction
Benzene, 1-ethyl-4-ethynyl-, chemical formula C10H10, is an organic compound. It has the following properties:
1. Appearance: Benzene, 1-ethyl-4-ethynyl-is a colorless liquid or crystalline solid.
2. solubility: it has a certain solubility, soluble in organic solvents such as ether and alcohol.
3. Melting point and boiling point: Its melting point is -8 to -6 degrees Celsius, and its boiling point is 190 to 191 degrees Celsius.
4. Stability: Benzene, 1-ethyl-4-ethynyl-is relatively stable at room temperature, but it is easily affected by light and oxygen and needs to be stored in the dark.
Benzene, 1-ethyl-4-ethynyl-is used as follows:
1. Organic synthesis: It can be used as a reagent in organic synthesis for the synthesis of more complex compounds.
2. Coordination chemistry: It can be used as a ligand to form a complex with transition metal ions and is used in catalytic reactions.
3. chemical research: due to its special structure, Benzene, 1-ethyl-4-ethynyl-is often used to study molecular structure, reaction kinetics and optical properties.
Benzene, 1-ethyl-4-ethynyl-can be prepared by reacting phenylacetylene with bromoethane. First, phenylacetylene is thermally reacted with bromoethane in the presence of chloroform and phosphorus pentachloride. The reaction product is debrominated under base catalysis to give the Benzene, 1-ethyl-4-ethynyl-.
For safety information, please note the following:
1. toxicity: Benzene, 1-ethyl-4-ethynyl-has a certain toxicity, should avoid contact with the skin and inhalation of its vapor.
2. Fire hazard: The compound is flammable and may cause a fire when exposed to high temperature, open flame or oxygen.
3. storage note: should avoid contact with oxidants and strong acid, storage should be away from the fire and high temperature environment.
When using and handling Benzene, 1-ethyl-4-ethynyl-, please follow the relevant safety procedures.
Last Update:2024-04-10 22:29:15