Benzenamine, 2-ethynyl- - Names and Identifiers
Benzenamine, 2-ethynyl- - Physico-chemical Properties
Molecular Formula | C8H7N
|
Molar Mass | 117.15 |
Density | 1.030 g/mL at 25 °C (lit.) |
Melting Point | 87-88 °C |
Boling Point | 229-230 °C (lit.) |
Flash Point | 209°F |
Vapor Presure | 0.109mmHg at 25°C |
Appearance | clear liquid |
Color | Colorless to Light orange to Yellow |
pKa | 1?+-.0.10(Predicted) |
Storage Condition | under inert gas (nitrogen or Argon) at 2–8 °C |
Refractive Index | n20/D 1.6200(lit.) |
Benzenamine, 2-ethynyl- - 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 |
Benzenamine, 2-ethynyl- - Introduction
2-Ethynylaniline(2-Ethynylaniline) is an organic compound. The following is an introduction to some of its properties, uses, methods and safety information:
Nature:
-Appearance: 2-Ethynylaniline is a colorless or pale yellow solid.
-Solubility: Soluble in organic solvents such as ethanol, ether and chloroform, insoluble in water.
-Odor: has a special aromatic smell.
-Chemical structure: Its chemical formula is C8H7N.
Use:
-Synthetic compound: 2-Ethynylaniline can be used as a starting material for organic synthesis and can be used to synthesize fluorescent dyes, photosensitizers and other compounds.
-Pharmaceutical application: It is an important intermediate that can be used to synthesize drugs and dyes.
-Photosensitive material: 2-Ethynylaniline has photosensitivity and can be used in photosensitizers, photoresists and light-changing materials.
Preparation Method:
there are many methods for preparing 2-Ethynylaniline. the common methods include ester exchange reaction of benzylamine and sodium acetate to obtain benzylamine acetate, then reaction of magnesium iodide and 2-bromoethyl bromide to obtain 2-aminobenzylamine, and finally dehydration reaction to obtain 2-Ethynylaniline.
Safety Information:
- 2-Ethynylaniline may decompose at a certain temperature, producing toxic gases and steam, so it is necessary to pay attention to safe operation.
-Contact with the skin, eyes or inhalation of high concentrations of gas may cause irritation and discomfort, should avoid contact.
-During use or storage, safety procedures should be observed, appropriate protective equipment should be worn, and good ventilation conditions should be ensured.
Please note that when using or coming into contact with any chemical substances, relevant safety data and operating recommendations must be carefully read and followed.
Last Update:2024-04-09 19:05:50