Description

4-Mercapto-1-Butanol is a versatile organosulfur compound featuring both a thiol and a primary alcohol functional group. This bifunctional nature makes it a valuable intermediate for synthesizing complex molecules in pharmaceuticals and specialty polymers. It is particularly sought after by research and development teams in the fine chemical, pharmaceutical, and material science industries. The compound is supplied under strict quality control to ensure batch-to-batch consistency for critical applications.

Application

• Pharmaceutical Intermediate: Key building block for synthesizing active pharmaceutical ingredients (APIs), especially those requiring thioether linkages or specific chiral centers.
• Polymer Modification: Used as a chain transfer agent or cross-linking monomer to introduce sulfur-containing functional groups into polymers, altering properties like adhesion and thermal stability.
• Ligand Synthesis: Serves as a precursor for creating chelating ligands used in catalysis and metal complexation processes.
• Flavor & Fragrance Industry: Intermediate in the production of certain sulfur-containing aroma compounds.
• Bioconjugation Chemistry: Utilized for modifying proteins, peptides, or other biomolecules via thiol-reactive chemistry.
• Chemical Research: A versatile reagent for organic synthesis, including nucleophilic addition and oxidation reactions.

Basic Information

Product Name	4-Mercapto-1-Butanol
CAS No.	14970-83-3
Molecular Formula	C4H10OS
Molecular Weight	106.19 g/mol
Synonyms	1-Butanol, 4-mercapto-; 4-Hydroxy-1-butanethiol; 4-Sulfanylbutan-1-ol; γ-Mercaptobutyl alcohol; 4-Mercaptobutanol; Thiobutyleneglycol; NSC 9375
EINECS	239-057-7

Quality Control

Our 4-Mercapto-1-Butanol is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including assay, purity profiling, and identity confirmation, to ensure it meets the high standards required for research and industrial synthesis. A detailed Certificate of Analysis (COA) is provided with each shipment, documenting key parameters such as purity, water content, and specific impurities.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This material is light-sensitive (store away from light) and easily oxidized (store under inert atmosphere). For long-term storage, consider packaging under an inert gas such as nitrogen or argon.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.