Description

4,4'-Dithiobisbutan-1-Ol is a sulfur-containing diol compound with the CAS number 30453-20-4. This bifunctional molecule is valued for its ability to act as a versatile building block and cross-linking agent in advanced material synthesis. It is primarily sought by R&D and production teams in the polymer, pharmaceutical, and specialty chemical industries for applications requiring thiol-ene chemistry, controlled release, or material modification.

Application

• Polymer Chemistry: As a chain extender or cross-linking agent in the synthesis of polyurethanes, polysulfides, and other specialty polymers.
• Pharmaceutical Intermediates: Serving as a key precursor in the synthesis of active pharmaceutical ingredients (APIs) and prodrugs that leverage disulfide bonds for stability or targeted release.
• Material Science: Utilized in surface modification, creation of self-assembled monolayers (SAMs), and development of responsive or "smart" materials.
• Adhesive & Sealant Formulations: Imparting enhanced flexibility, adhesion, and chemical resistance in high-performance formulations.
• Lubricant & Fuel Additives: Acting as an anti-wear agent or stabilizer due to its sulfur content and antioxidant potential.
• Bioconjugation & Biochemistry: Used for protein modification, peptide synthesis, and creating cleavable linkers in diagnostic assays or drug delivery systems.

Basic Information

Product Name	4,4'-Dithiobisbutan-1-Ol
CAS No.	30453-20-4
Molecular Formula	C8H18O2S2
Molecular Weight	210.36 g/mol
Synonyms	1,4-Butanediol, 4,4'-dithiobis-; 4,4'-Dithiodibutan-1-ol; 4,4'-Dithiobis(1-butanol); 4,4'-Dithiodibutanol; 4,4'-Dithiobisbutanol; Bis(4-hydroxybutyl) disulfide; 4-Hydroxybutyl disulfide; 4,4'-Disulfanediyldibutan-1-ol
EINECS	Contact for details

Quality Control

Our 4,4'-Dithiobisbutan-1-Ol is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatographic purity assays and identity confirmation, to ensure it meets precise customer specifications. A Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and should be kept under an inert atmosphere for long-term storage to prevent oxidation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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