Description

Di-tert-Butyl Maleate is a high-purity diester derivative of maleic acid, widely recognized by its CAS number 18305-60-7. This compound serves as a versatile and valuable chemical intermediate in advanced organic synthesis and polymer chemistry. It is primarily sought after by manufacturers in the polymer, specialty chemical, and pharmaceutical industries for its role in creating tailored materials with specific performance characteristics.

Application

• Polymer Modification: Acts as a key monomer or co-monomer in the production of specialty polymers, including acrylic and vinyl resins, to enhance flexibility, adhesion, and weathering resistance.
• Crosslinking Agent: Used in the formulation of thermosetting plastics, coatings, and adhesives to improve hardness, chemical resistance, and thermal stability.
• Organic Synthesis Intermediate: Serves as a crucial building block for synthesizing complex organic molecules, including pharmaceuticals, agrochemicals, and fine chemicals.
• Lubricant and Fuel Additive Precursor: Utilized in the manufacture of ester-based additives that improve the performance and longevity of industrial lubricants and fuels.
• Surface Coating Formulations: Incorporated into high-performance coatings and inks to modify film properties, such as gloss, durability, and drying time.

Basic Information

Product Name	Di-tert-Butyl Maleate
CAS No.	18305-60-7
Molecular Formula	C12H20O4
Molecular Weight	228.29 g/mol
Synonyms	Di-tert-butyl maleate; 2-Butenedioic acid (2Z)-, 1,4-bis(1,1-dimethylethyl) ester; Maleic acid di-tert-butyl ester; Bis(1,1-dimethylethyl) (2Z)-2-butenedioate; DTBM; Di-t-butyl maleate
EINECS	242-200-8

Quality Control

Our Di-tert-Butyl Maleate is manufactured under a stringent quality management system to ensure batch-to-batch consistency and high purity. Each lot is analyzed against rigorous internal specifications, which typically include identity confirmation, assay, and impurity profiling. A Certificate of Analysis (COA) detailing the results is provided with every shipment to guarantee compliance with your technical requirements.

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). Keep away from strong oxidizing agents, strong acids, and strong bases.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Acidity (as Maleic Acid)	≤ 0.5%

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