Dibutyl oxalate
Dibutyl oxalate (CAS 2050-60-4), with the linear formula CH3(CH2)3OCOCOO(CH2)3CH3, is a chemical compound with a molecular weight of 202.25 g/mol. It is classified as an ester and a carbonyl compound. Dibutyl oxalate serves as a valuable intermediate and building block in various chemical synthesis processes, particularly within organic chemistry research and development. Its ester functionality allows for diverse reactions and applications.

Organic Synthesis Intermediate
Dibutyl oxalate acts as a key intermediate in the synthesis of more complex organic molecules. Its reactive ester groups can be modified or incorporated into larger structures, making it useful in multi-step synthetic pathways.
Building Block for Specialty Chemicals
As a versatile building block, dibutyl oxalate is employed in the creation of specialty chemicals. Its structure lends itself to the development of various derivatives with tailored properties for specific industrial applications.
Reagent in Chemical Research
This compound is utilised in academic and industrial research laboratories for exploring new chemical reactions and developing novel materials. Its well-defined properties facilitate predictable outcomes in experimental settings.
| Molecular weight | 202.25 |
|---|---|
| Linear formula | CH3(CH2)3OCOCOO(CH2)3CH3 |
| Assay | 99% |
| Boiling point | 239-240 °C(lit.) |
| Density | 0.986 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.423(lit.) |
| Melting point | −29 °C(lit.) |


Hazard statements
- H315Causes skin irritation
- H317May cause an allergic skin reaction
- H318Causes serious eye damage
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 109 °C / 228.2 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 37/38-41-43 |
| Safety statements (S) | 26-36/37/39 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Dibutyl oxalate used for?
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Dibutyl oxalate (CAS 2050-60-4) is primarily used as an intermediate and building block in organic synthesis and chemical research.
What is the CAS number and chemical formula for Dibutyl oxalate?
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The CAS number for Dibutyl oxalate is 2050-60-4, and its linear formula is CH3(CH2)3OCOCOO(CH2)3CH3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Dibutyl oxalate with an assay of 99%. We do not represent this product as USP, BP, or EP grade; it is suitable for laboratory and chemical synthesis applications.
How should Dibutyl oxalate be handled safely?
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Dibutyl oxalate is a Danger hazard. It causes skin irritation (H315), may cause an allergic skin reaction (H317), causes serious eye damage (H318), and may cause respiratory irritation (H335). Appropriate personal protective equipment, including eyeshields, face shields, gloves, and suitable respiratory protection, must be used. Handle in a well-ventilated area.
How is Dibutyl oxalate packed and exported?
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Dibutyl oxalate is carefully packed according to international shipping regulations. Tech Serve Solutions is an experienced global exporter of fine chemicals and laboratory reagents.
How can I request a sample or quote for Dibutyl oxalate?
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To request a sample or a quotation for Dibutyl oxalate, please contact our sales team through the website or by phone.
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