Triethyl orthopropionate
Triethyl orthopropionate (CAS: 115-80-0), a propionic acid triethyl ester derivative with the chemical formula CH3CH2C(OC2H5)3, is a valuable organic building block. With a molecular weight of 176.25 g/mol, this compound serves as a key intermediate in organic synthesis. It is primarily employed in the chemical industry for the construction of more complex molecules and as a reagent in various synthetic pathways.

Organic Synthesis Intermediate
Triethyl orthopropionate functions as a versatile intermediate in the synthesis of various organic compounds. Its orthoester functionality allows for controlled reactions in the preparation of diverse chemical entities.
Building Block for Complex Molecules
This compound acts as a fundamental building block in the multi-step synthesis of complex organic structures. Its reactivity profile is leveraged by synthetic chemists to introduce specific structural motifs.
Reagent in Chemical Reactions
Utilised as a reagent, triethyl orthopropionate participates in chemical transformations, contributing to the formation of new carbon-carbon or carbon-heteroatom bonds in targeted syntheses.
| Molecular weight | 176.25 |
|---|---|
| Linear formula | CH3CH2C(OC2H5)3 |
| Assay | 97% |
| Boiling point | 155-160 °C(lit.) |
| Density | 0.876 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.402(lit.) |


Hazard statements
- H226Flammable liquid and vapour
- H302Harmful if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
Precautionary statements
- 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 | 60 °C / 140 °F |
| Transport (UN / ADR) | UN 3272 3 / PGIII |
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36/38 |
| Safety statements (S) | 26 |
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 Triethyl orthopropionate primarily used for?
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Triethyl orthopropionate is primarily used as an intermediate and building block in organic synthesis for the preparation of complex molecules and as a reagent in various chemical reactions.
What is the CAS number and chemical formula for Triethyl orthopropionate?
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The CAS number for Triethyl orthopropionate is 115-80-0, and its chemical formula is CH3CH2C(OC2H5)3.
What grade and purity does Tech Serve Solutions supply for Triethyl orthopropionate?
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Tech Serve Solutions supplies Triethyl orthopropionate with an assay of 97%. This is a technical/research grade chemical, and TSS does not represent it as USP, BP, or EP grade.
What are the main safety hazards associated with Triethyl orthopropionate?
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Triethyl orthopropionate is classified with GHS02 and GHS07 symbols, carrying a Warning signal word. It presents hazards including flammability (H226), is harmful if swallowed (H302), causes skin irritation (H315), and causes serious eye irritation (H319).
How is Triethyl orthopropionate typically packed, shipped, and exported?
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Triethyl orthopropionate is packed and shipped in compliance with relevant regulations, including UN 3272 for transport. TSS is experienced in exporting chemicals globally.
How can I request a sample or quote for Triethyl orthopropionate?
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To request a sample or a quote for Triethyl orthopropionate, please contact our sales team via the website or by phone.
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