3-thienylacetonitrile - Names and Identifiers
3-thienylacetonitrile - Physico-chemical Properties
Molecular Formula | C6H5NS
|
Molar Mass | 123.18 |
Density | 1.08 g/mL at 25 °C (lit.) |
Boling Point | 124-125 °C/16 mmHg (lit.) |
Flash Point | >230°F |
Vapor Presure | 0.0316mmHg at 25°C |
Appearance | clear liquid |
Specific Gravity | 1.080 |
Color | Colorless to Light yellow to Light orange |
BRN | 107774 |
Storage Condition | Keep in dark place,Sealed in dry,Room Temperature |
Refractive Index | n20/D 1.545(lit.) |
Physical and Chemical Properties | Colorless or light yellow liquid. |
3-thienylacetonitrile - Risk and Safety
Risk Codes | R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed.
R36/37/38 - Irritating to eyes, respiratory system and skin.
R23/24/25 - Toxic by inhalation, in contact with skin and if swallowed.
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Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37 - Wear suitable protective clothing and gloves.
S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection.
|
UN IDs | UN 3276 6.1/PG 2 |
WGK Germany | 3 |
HS Code | 29349990 |
Hazard Class | 6.1 |
Packing Group | III |
3-thienylacetonitrile - Introduction
3-Thiophene acetonitrile is an organic compound with the chemical formula C6H5C2H4SCN. The following is a description of the properties, uses, preparation and safety information of 3-thiophene acetonitrile:
Nature:
-Appearance: 3-Thiophene acetonitrile is a colorless liquid.
-Density: 1.047g/cm³
-Melting point:-20°C
-Boiling point: 189°C
-Solubility: 3-Thiopheneacetonitrile is soluble in most organic solvents, such as ethanol, ether and chloroform.
-Chemical properties: 3-thiopheneacetonitrile can undergo a series of chemical reactions, such as nucleophilic substitution, oxidation, reduction, and the formation of metal complexes.
Use:
-As a chemical reagent: 3-Thiophene acetonitrile can be used as a starting material in organic synthesis, for example, for the synthesis of other thiophene compounds.
-As an organic light-emitting material: 3-thiopheneacetonitrile has light-emitting properties and can be used as a light-emitting layer in organic electronic devices (such as organic light-emitting diodes).
Preparation Method:
3-Thiopheneacetonitrile is usually prepared by an etherification reaction. The specific preparation method is as follows:
1. At low temperature, sulfuric acid is added to thiophene to generate thiophene sulfonic acid.
2. ethyl group was introduced by reaction of ethyl bromide and thiophene sulfonic acid.
3. After the reaction is completed, the reaction solution is neutralized by saturated hydrochloric acid solution or ammonia water.
4. Finally, 3-thiophene acetonitrile was purified by distillation.
Safety Information:
-3-Thiophene acetonitrile is a flammable liquid and should be kept away from open flames and high temperatures.
-Wear appropriate protective equipment, such as chemical goggles and protective gloves.
-Avoid contact with skin and eyes. In case of accidental contact, rinse immediately with plenty of water and seek medical treatment.
-Use in a well-ventilated place to avoid inhaling vapors.
-Storage should be sealed and kept away from fire and oxidizing agents.
Last Update:2024-04-10 22:29:15