Description

4,5-Bis(Mercaptomethyl)-o-Xylene is a high-purity, multifunctional thiol compound featuring two mercaptomethyl groups on an o-xylene backbone. This unique structure makes it a valuable cross-linking agent and polymer modifier, essential for creating materials with enhanced thermal stability and mechanical properties. It is primarily utilized by manufacturers in the advanced polymer, epoxy resin, and specialty adhesive industries seeking to improve product performance.

Application

• Cross-linking agent for epoxy resins and polyurethane systems to enhance thermal and chemical resistance.
• Polymer modification for creating high-performance, sulfur-containing polymers with specific rheological properties.
• Intermediate in organic synthesis for pharmaceuticals and agrochemicals requiring a thiol-functionalized aromatic core.
• Curing agent in specialty adhesives and sealants where fast curing and strong adhesion are critical.
• Precursor for metal complexing agents used in catalysis and material science.
• Additive for rubber compounding to influence vulcanization kinetics and final elastomer properties.

Basic Information

Product Name	4,5-Bis(Mercaptomethyl)-o-Xylene
CAS No.	10230-61-2
Molecular Formula	C10H14S2
Molecular Weight	198.35 g/mol
Synonyms	1,2-Bis(mercaptomethyl)-4,5-dimethylbenzene; o-Xylene-4,5-dimethanethiol; 4,5-Dimethyl-1,2-bis(mercaptomethyl)benzene; 4,5-Bis(mercaptomethyl)-1,2-dimethylbenzene; DMTB; BMX; 1,2-Dimethyl-4,5-bis(mercaptomethyl)benzene
EINECS	Contact for details

Quality Control

Every batch of 4,5-Bis(Mercaptomethyl)-o-Xylene is produced and tested under a strict quality management system. We ensure high purity and consistent performance through rigorous analytical protocols including HPLC, GC, and NMR. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to guarantee it meets your specific application requirements.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at 2-8°C to minimize oxidation and degradation. Keep the container in a cool, dry, and well-ventilated area away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
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.