3-Methyl Butynol丨CAS 115-19-5

1. Pharmaceutical Intermediate

3-Methyl butynol is commonly used as a building block in the synthesis of pharmaceutical compounds. Its molecular structure allows for selective transformation into more complex bioactive molecules, including kinase inhibitors and antiviral agents. It participates in coupling reactions and is valuable for introducing alkyne functionality into target molecules.

2. Agrochemical Synthesis

This compound serves as a precursor in the production of herbicides, fungicides, and insecticides. It can be integrated into active ingredients or intermediates used to control pests and support agricultural productivity.

3. Fragrance and Flavor Industry

It is employed in the synthesis of terpenoids, which are widely used in perfumery and flavoring. By acting as an intermediate, it contributes to the creation of compounds like geraniol, which impart floral and fruity notes in consumer products.

4. Polymer and Silicone Industry

3-Methyl butynol acts as a polymerization inhibitor in hydrosilylation reactions, particularly in silicone rubber manufacturing. It helps control reaction kinetics and improves the stability of reactive formulations.

5. Electroplating Additive

In metal finishing processes, it is used as a brightening agent. It enhances the appearance of metal surfaces, contributing to uniform deposition and improved gloss in electroplating baths, especially for nickel and copper.

6. Solvent Stabilizer

It is added to halogenated solvents to enhance stability and extend shelf life. The compound can inhibit decomposition of sensitive formulations by acting as a scavenger or neutralizer of reactive byproducts.

7. Synthetic Building Block

Owing to its terminal alkyne and tertiary alcohol structure, 3-Methyl butynol is frequently used as a protected acetylene source in organic synthesis. The alkyne group can undergo Sonogashira, click, or hydrogenation reactions, while the tertiary alcohol can be selectively removed or transformed.

✅ Dual Functional Groups

The presence of both an alkyne and a hydroxyl group in a single molecule makes it highly reactive and suitable for various organic transformations. This allows chemists to streamline synthesis by reducing the number of steps required.

✅ Versatile Reactivity

It can undergo reactions such as dehydration, oxidation, coupling, or hydrogenation, offering wide synthetic utility. Its reactivity supports the creation of complex molecules across several industries.

✅ High Purity Availability

Commercial supply often exceeds 98% purity, which ensures consistent performance in both research and industrial applications. High-purity grades are particularly important in pharmaceutical and electronic applications.

✅ Cost Efficiency

Its multifunctionality allows it to serve multiple roles in a formulation or synthetic pathway, reducing the need for separate reagents and lowering overall production costs.

✅ Environmental Compatibility

It has low bioaccumulation potential and is considered biodegradable under typical conditions. Its use does not generally result in persistent or bioaccumulative byproducts, which is favorable for regulatory and environmental compliance.

✅ Low Toxicity Profile

Although it is flammable and can cause eye irritation, it demonstrates low acute toxicity in standard animal studies and poses minimal long-term health risks when handled properly. Safety data indicate that it can be managed safely with standard protective measures.