Diethyl Oxalate

CAS NO. 95-92-1

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Product Name	Diethyl Oxalate (Biodegradable Solvent & Intermediate)
Synonyms	Oxalic acid diethyl ester; Ethyl oxalate
CAS NO.	95-92-1
Formula & Weight	C₆H₁₀O₄ (MW: 146.14 g/mol)
Chemical Structure
Technical Specifications	Appearance: Colorless transparent liquid Purity (GC): ≥ 99.0% Water Content: ≤ 0.1% Density: 1.076 g/mL at 20 °C Boiling Point: 185 °C Flash Point: 75 °C
Green Credentials	Eco-Friendly Solvent Profile: Biodegradability: Ready Biodegradable (OECD 301D certified). Low Toxicity: Hydrolyzes into ethanol and oxalic acid naturally.
Key Applications	Versatile solvent and intermediate for: Pharmaceuticals: Critical intermediate for synthesizing antibiotics (e.g., sulfamethoxazole derivatives), antivirals, and steroids. Electronics & Coatings: Solvent for photoresists and high-performance inks due to its excellent solvency and evaporation rate. Organic Synthesis: Used in Claisen condensation reactions to form alpha-keto esters.
Packaging & Logistics	Packaging: Steel Drum / 1000kg IBC Tank / ISO Tank. Storage: Keep container tightly closed in a dry and well-ventilated place.