Description

Di-sec-Butyl Oxalate is a high-purity diester of oxalic acid, valued for its role as a versatile chemical intermediate and solvent in advanced synthesis. Its molecular structure makes it particularly effective in applications requiring controlled reactivity and solvency. This product is essential for manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries seeking reliable, high-quality raw materials.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and fine chemicals.
• Agrochemical Synthesis: Serves as a key building block in the production of herbicides, fungicides, and plant growth regulators.
• Polymer & Resin Modifier: Acts as a plasticizer or cross-linking agent in specialty polymer formulations.
• Organic Synthesis Reagent: Employed in esterification and transesterification reactions to introduce the sec-butyl group.
• Specialty Solvent: Used for high-boiling point applications in coatings, inks, and chemical processing.
• Flavor & Fragrance Ingredient: Utilized as a precursor in the manufacture of certain ester-based aroma compounds.

Basic Information

Product Name	Di-sec-Butyl Oxalate
CAS No.	13784-89-9
Molecular Formula	C10H18O4
Molecular Weight	202.25 g/mol
Synonyms	Oxalic Acid Di-sec-Butyl Ester; Di(sec-butyl) Oxalate; sec-Butyl Oxalate; Bis(1-methylpropyl) Oxalate; Oxalic Acid Bis(1-methylpropyl) Ester; DSBO; 1-Methylpropyl Oxalate
EINECS	Contact for details

Quality Control

Our Di-sec-Butyl Oxalate is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets precise specifications for purity, identity, and consistency. Certificates of Analysis (COA) documenting these results are provided and available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.1%
Acidity (as Oxalic Acid)	≤ 0.1%
Specific Gravity (20°C)	0.97 - 0.99
Refractive Index (20°C)	1.415 - 1.425

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