7740-69-4 - Names and Identifiers
7740-69-4 - Upstream Downstream Industry
7740-69-4 - Introduction
3-Ethoxy-3-methyl-1-butyne, also known as A, is an organic compound. Its molecular formula is C7H12O, and its structural formula is a straight-chain alkyne with an ethoxy group (C2H5O-) attached to CH3C ≡ CCH2CH3.
The following is a description of the nature, use, formulation and safety information of 3-Ethoxy-3-methyl-1-butyne:
Nature:
-Appearance: colorless liquid
-Density: approx. 0.81g/cm³
-Melting point:-116 ° C
-Boiling point: About 126-127 ° C
-Solubility: insoluble in water, soluble in organic solvents such as ethanol, ether and dimethylformamide
Use:
3-Ethoxy-3-methyl-1-butyne can be used as an intermediate or reagent for the synthesis of compounds in organic synthesis. It can be used to synthesize organic compounds such as pharmaceuticals, pesticides and dyes.
Method:
A commonly used method is to synthesize 3-Ethoxy-3-methyl-1-butyne by the following steps:
1. 3-Bromo-3-methyl-1-propanol is prepared by reacting methyl alcohol (CH3OH) with hydrobromic acid (HBr) in the presence of an ether solvent.
2. 3-Bromo-3-methyl-1-propanol is reacted with sodium ethanediol (NaOCH2CH3) in ether to prepare 3-Ethoxy-3-methyl-1-propanol.
3. Finally, dehydrate 3-Ethoxy-3-methyl-1-propanol, usually using acidic solution such as dilute sulfuric acid.
Safety Information:
When using and handling 3-ethoxy-3-methyll-1-butyne, you need to pay attention to the following safety precautions:
- 3-Ethoxy-3-methyl-1-butyne may cause irritation and damage to the eyes, skin and respiratory tract. Wear suitable personal protective equipment such as goggles, gloves and respiratory protection during operation.
-Avoid inhaling the vapor of the substance to avoid breathing discomfort. It should be operated in a well-ventilated place.
- 3-Ethoxy-3-methyl-1-butyne should be kept away from fire and high temperature to prevent it from being flammable. In storage and use should pay attention to fire prevention measures.
-If you come into contact with this compound, rinse the affected area immediately with plenty of water and seek medical help.
Last Update：2024-04-09 21:00:56