Description

Di-tert-Butyl Oxalate is a high-purity organic ester compound widely used as a versatile building block in advanced chemical synthesis. Its primary value lies in its role as a protected oxalic acid derivative, offering superior stability and reactivity control compared to simpler alkyl oxalates. This makes it an essential intermediate for pharmaceutical manufacturers, agrochemical researchers, and developers of specialty polymers and fine chemicals who require precise molecular construction.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring the controlled introduction of oxalate groups.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators where its tert-butyl groups provide beneficial steric and solubility properties.
• Polymer Chemistry: Serves as a monomer or cross-linking agent in the development of specialty polyesters and other high-performance polymers.
• Organic Synthesis Reagent: Employed in peptide coupling reactions and as a reagent for the introduction of the oxalate moiety under mild conditions.
• Chemical Research & Development: A valuable tool in academic and industrial R&D labs for exploring new synthetic pathways and creating novel molecular architectures.
• Fine Chemical Production: Used in the manufacture of dyes, pigments, and complex organic molecules requiring high-purity intermediates.

Basic Information

Product Name	Di-tert-Butyl Oxalate
CAS No.	691-64-5
Molecular Formula	C10H18O4
Molecular Weight	202.25 g/mol
Synonyms	Oxalic Acid Di-tert-Butyl Ester; Di-tert-Butyl Ethanedioate; Ditertiary Butyl Oxalate; DTBO; tert-Butyl Oxalate; Bis(1,1-dimethylethyl) Oxalate; Bis(tert-butyl) Oxalate; 1,1-Dimethylethyl Oxalate
EINECS	211-718-3

Quality Control

Our Di-tert-Butyl Oxalate is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including assay by GC/HPLC, identity confirmation (IR), and impurity profiling, to ensure it meets the high standards required for synthetic applications. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to guarantee traceability and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong acids and oxidizing agents. Recommended storage temperature is between 15°C and 25°C. Keep container tightly sealed when not in use to prevent moisture absorption and degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Related Substances (GC/HPLC)	Individual impurity ≤ 1.0%
Total Impurities	≤ 2.0%

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