Description

Methylenebis(Thioglycolic Acid Di-n-Butyl Ester) is a specialized organosulfur compound primarily valued as a high-performance polymer additive and chemical intermediate. Its molecular structure makes it a highly effective stabilizer, plasticizer, and cross-linking agent in various synthetic processes. This product is essential for manufacturers in the polymer, rubber, and specialty chemical industries seeking to enhance material properties such as flexibility, thermal stability, and resistance to degradation.

Application

• Polymer Stabilizer: Acts as a heat stabilizer and antioxidant in PVC and other halogenated polymers to prevent thermal degradation during processing.
• Rubber Industry: Used as a vulcanization accelerator and plasticizer in the production of synthetic rubbers, improving elasticity and processing characteristics.
• Cross-linking Agent: Serves as a key intermediate in the synthesis of specialty resins, adhesives, and sealants requiring controlled cross-linking for enhanced durability.
• Lubricant Additive: Functions as an extreme pressure (EP) additive and anti-wear agent in advanced lubricant formulations.
• Chemical Synthesis: Employed as a building block for synthesizing more complex sulfur-containing compounds used in pharmaceuticals and agrochemicals.
• Metal Working Fluids: Incorporated as a corrosion inhibitor and additive to improve the performance of industrial cutting and grinding fluids.

Basic Information

Product Name	Methylenebis(Thioglycolic Acid Di-n-Butyl Ester)
CAS No.	14338-82-0
Molecular Formula	C18H32O4S2
Molecular Weight	376.57 g/mol
Synonyms	Bis(2-butoxy-2-oxoethylthio)methane; Dibutyl Methylenebis(Thioglycolate); Methylenebis(Thioglycolic Acid) Dibutyl Ester; 2,2'-(Methylenedithio)diacetic Acid Dibutyl Ester; Thioglycolic Acid, Methylenedi-, Di-n-Butyl Ester; MBTGE; Stabilizer T-9 (Trade Name); Dibutyl 2,2'-(Methylenedisulfanediyl)diacetate
EINECS	238-289-9

Quality Control

Our production of Methylenebis(Thioglycolic Acid Di-n-Butyl Ester) adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing, including GC/HPLC for purity and assay, and IR/NMR for structural confirmation, to ensure consistency and compliance with customer specifications. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance and regulatory needs.

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/59-77°F). Keep away from strong acids, oxidizing agents, and incompatible organic solvents. The product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Clear, Colorless to Pale Yellow Liquid
Identification (IR)	Conforms to Standard
Assay (GC)	≥ 98.0 %
Refractive Index (n20D)	1.490 - 1.500
Density (20°C)	1.080 - 1.120 g/cm³
Water Content (KF)	≤ 0.5 %

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