Unlock the Power of Methyl (S)-(-)-Lactate： CAS 27871-49-4 - Your Ultimate Guide!

Abstract

This article provides an in-depth guide to methyl (S)-(-)-lactate, a compound with the CAS number 27871-49-4. It explores the various aspects of this compound, including its chemical properties, synthesis methods, applications, health benefits, and environmental impact. The article aims to unlock the potential of methyl (S)-(-)-lactate, offering insights into its uses and significance in different fields.

Introduction to Methyl (S)-(-)-Lactate

Methyl (S)-(-)-lactate, also known as 2-methylpropanoic acid ethyl ester, is a versatile organic compound with the CAS number 27871-49-4. It is a colorless liquid with a fruity odor and is commonly used in various industries. This guide will delve into the details of methyl (S)-(-)-lactate, providing a comprehensive understanding of its properties and applications.

Chemical Properties of Methyl (S)-(-)-Lactate

Methyl (S)-(-)-lactate is a carboxylic acid ester, which means it contains a carboxyl group (-COOH) and an ester group (-COO-) attached to a carbon chain. The presence of these functional groups contributes to its chemical properties. It has a molecular formula of C5H10O3 and a molecular weight of 102.11 g/mol. The compound is soluble in organic solvents such as ethanol, acetone, and ether but is not soluble in water.

The melting point of methyl (S)-(-)-lactate is approximately -60°C, and its boiling point is around 130°C at 760 mmHg. These physical properties make it suitable for various applications, including as a solvent and a fragrance ingredient.

Synthesis of Methyl (S)-(-)-Lactate

Methyl (S)-(-)-lactate can be synthesized through different methods, including the esterification of lactic acid with methanol and the transesterification of ethyl lactate. The most common method involves the reaction of lactic acid with methanol in the presence of a catalyst, such as sulfuric acid or hydrochloric acid.

The reaction can be represented as follows:
CH3CH(OH)COOH + CH3OH → CH3COOCH2CH3 + H2O

This process is typically carried out under reflux conditions to ensure complete conversion of the reactants. The resulting methyl (S)-(-)-lactate is then purified through distillation or crystallization.

Applications of Methyl (S)-(-)-Lactate

Methyl (S)-(-)-lactate finds wide application in various industries due to its unique properties. Some of the primary applications include:

1. **Fragrance Industry**: Methyl (S)-(-)-lactate is used as a fragrance ingredient in perfumes and colognes due to its fruity and floral odor. It is often used in combination with other esters to create complex and appealing scents.

2. **Food Industry**: The compound is used as a flavoring agent in food products, particularly in dairy and confectionery items. It imparts a creamy and fruity taste, enhancing the overall flavor profile.

3. **Cosmetic Industry**: Methyl (S)-(-)-lactate is used in cosmetic products, such as lotions and shampoos, for its moisturizing and skin conditioning properties.

Health Benefits of Methyl (S)-(-)-Lactate

In addition to its industrial applications, methyl (S)-(-)-lactate has potential health benefits. Some of these include:

1. **Antioxidant Properties**: Methyl (S)-(-)-lactate has been found to possess antioxidant properties, which can help protect cells from oxidative stress and damage.

2. **Anti-inflammatory Effects**: The compound has shown anti-inflammatory effects in laboratory studies, suggesting its potential use in treating inflammatory conditions.

3. **Antimicrobial Activity**: Methyl (S)-(-)-lactate has demonstrated antimicrobial activity against certain bacteria and fungi, which could be beneficial in developing new antimicrobial agents.

Environmental Impact of Methyl (S)-(-)-Lactate

While methyl (S)-(-)-lactate has numerous applications, it is important to consider its environmental impact. The compound is biodegradable, which means it can be broken down by microorganisms in the environment. However, the rate of biodegradation can vary depending on the conditions.

It is also essential to handle methyl (S)-(-)-lactate with care to prevent any potential environmental contamination. Proper waste management and adherence to safety regulations are crucial in minimizing its impact on the environment.

Conclusion

In conclusion, methyl (S)-(-)-lactate, with the CAS number 27871-49-4, is a versatile organic compound with a wide range of applications. From its chemical properties and synthesis methods to its health benefits and environmental impact, this guide has provided a comprehensive overview of methyl (S)-(-)-lactate. Understanding its potential and limitations is crucial for its safe and effective use in various industries.

Keywords: methyl (S)-(-)-lactate, CAS 27871-49-4, carboxylic acid ester, synthesis, applications, health benefits, environmental impact