2-Methyl-3,4-Pentadienoic Acid Ethyl Ester(CAS#60523-21-9)

Introduction

Ethyl 2-methyl-3,4-pentadienoic acid is an organic compound, often abbreviated as MEHQ. The following is an introduction to the nature, use, manufacturing method and safety information of MEHQ:

Quality:

- Appearance: MEHQ is a colorless to light yellow liquid.

- Solubility: MEHQ is soluble in some organic solvents such as ethers, alcohols and ketones, and insoluble in water.

Use:

- Antioxidants: MEHQ is widely used as an antioxidant in rubber and plastic products to extend its lifespan under high temperature and UV radiation conditions.

- Light stabilizers: MEHQ is also used in sunscreens and sunscreen products because of its UV-resistant properties.

Method:

A common method of preparation of MEHQ is by esterification of 2-methyl-3,4-pentadienic acid (Mesaconic acid) with ethanol, usually under acidic conditions.

Safety Information:

MEHQ is a toxic substance that can be a health hazard if exposed and inhaled. Here are some safety precautions:

- Wear appropriate protective equipment, such as protective eyewear and gloves, when in use.

- Use in a well-ventilated area and avoid inhaling its vapors.

- Store in an airtight container, away from fire and high temperatures.