For organic chemists and researchers engaged in chemical synthesis, identifying versatile building blocks is key to unlocking new molecular architectures. 3-Mercapto-2-butanol, identified by its CAS number 54812-86-1, stands out due to its dual functionality: a thiol (-SH) group and a secondary alcohol (-OH) group on a four-carbon chain. This unique combination makes it a valuable reagent for a variety of synthetic transformations.
The reactivity of the thiol group in 3-Mercapto-2-butanol is particularly noteworthy. Thiols are known for their nucleophilicity and their propensity to undergo oxidation to form disulfides. This makes 3-Mercapto-2-butanol suitable for thiol-disulfide exchange reactions, reactions involving alkylation, and as a precursor for sulfur-containing heterocycles. For scientists looking to introduce sulfur into a molecule or to create specific linkages, sourcing this compound from a reliable manufacturer is essential.
The presence of the hydroxyl group also offers additional reaction sites, allowing for esterification, etherification, or oxidation. This dual reactivity means that 3-Mercapto-2-butanol can be employed in multi-step syntheses, acting as a versatile intermediate. Procurement managers often seek out such compounds to streamline their laboratory processes and ensure a consistent supply of essential reagents for their research and development teams.
When considering the purchase of 3-Mercapto-2-butanol for your synthetic needs, it's important to consider purity and reliable supply. Many suppliers, particularly those based in China, offer this chemical with high purity levels (e.g., 99% or higher). Engaging with a reputable manufacturer ensures that the material meets stringent specifications, which is critical for achieving reproducible results in complex organic synthesis projects. Understanding the pricing and availability from various suppliers can help optimize purchasing decisions.
Beyond its role in synthesizing complex organic molecules, 3-Mercapto-2-butanol is also recognized for its use as a flavor ingredient, contributing specific sensory notes. However, for the synthesis chemist, its true value lies in its chemical potential. By carefully selecting a supplier, R&D scientists can procure this crucial building block with confidence, paving the way for innovative chemical discoveries and process development.
Manufacturing Facilities






Professional Export Experience
to Global Customers
1. 20 years of R&D, manufacturing and sales experience, serving customers in 60 countries and regions around the world;
2. Own R&D laboratory, pilot platform and large-scale production workshop, which can meet the audit requirements of global customers;
3. We can satisfy customers' perfect transition from small scale lab requirements (gram level) to commercialization requirements (hundred tons level).
A: We don't have Minimum Order Quantity, exact quantity should be provided before quotation for us to calculate the exact cost.
A: We don't provide free samples due to lots of request and expensive international courier's cost, we can deduct the sample charge after commercial order placed.
A: Our payment terms: Small or sample order: T/T IN ADVANCE. Commercial order: First order should be by T/T IN ADVANCE or L/C at sight, and following orders T/T 30~90days is acceptable subject to approval of credit application.