Adipic acid monoethyl ester
Adipic acid monoethyl ester (CAS: 626-86-8), with the molecular formula HO2C(CH2)4CO2C2H5 and a molecular weight of 174.19 g/mol, is a valuable organic compound. It functions as a key building block in chemical synthesis, particularly in the creation of polymers and complex organic molecules. Its ester and carboxylic acid functionalities allow for diverse chemical transformations, making it a versatile intermediate for various industrial and research applications.
- IUPAC
- Mono-ethyl adipate

Organic Synthesis Intermediate
Adipic acid monoethyl ester serves as a crucial intermediate in the synthesis of various organic compounds. Its bifunctional nature allows for selective reactions at either the ester or the carboxylic acid group, facilitating the construction of more complex molecular architectures.
Polymer Precursor
This compound can be utilised in the development of specialised polymers. The adipic acid backbone provides flexibility, while the ester and acid groups offer points for polymerisation or modification, contributing to materials with specific physical properties.
Research and Development
In research laboratories, Adipic acid monoethyl ester is employed as a starting material or reagent in academic and industrial R&D for exploring novel chemical pathways and discovering new compounds with potential applications.
| Molecular weight | 174.19 |
|---|---|
| Linear formula | HO2C(CH2)4CO2C2H5 |
| Assay | 97% |
| Boiling point | 180 °C/18 mmHg(lit.) |
| Density | 0.98 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.439(lit.) |
| Solubility | H2O: soluble50 mg/mL, clear, colorless |
| Melting point | 28-29 °C(lit.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Flash point | 113 °C / 235.4 °F |
| Water hazard class (WGK, DE) | 3 |
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 Adipic acid monoethyl ester used for?
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Adipic acid monoethyl ester is primarily used as a building block and intermediate in organic synthesis and for the development of specialised polymers. It is also utilised in research and development settings for exploring new chemical entities and pathways.
What are the CAS number and chemical formula for Adipic acid monoethyl ester?
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The CAS number for Adipic acid monoethyl ester is 626-86-8, and its chemical formula is HO2C(CH2)4CO2C2H5.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Adipic acid monoethyl ester with a purity of 97%. This product is suitable for research and general chemical synthesis purposes. TSS does not represent this product as USP, BP, or EP grade.
How should Adipic acid monoethyl ester be handled safely?
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Adipic acid monoethyl ester should be handled with appropriate personal protective equipment, including eyeshields and gloves. In environments where airborne dust or vapours may be present, a respirator with a type N95 (US) or type P1 (EN143) filter is recommended. Refer to the safety data sheet for comprehensive handling guidelines.
Is Adipic acid monoethyl ester a controlled substance?
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Based on the provided data, Adipic acid monoethyl ester (CAS: 626-86-8) is not indicated as a controlled substance.
How is Adipic acid monoethyl ester shipped and exported?
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Tech Serve Solutions is a global supplier and exporter of fine chemicals. Adipic acid monoethyl ester is carefully packaged to ensure safe transit and can be exported internationally, adhering to all relevant shipping regulations.
How can I request a quote or sample for Adipic acid monoethyl ester?
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To request a quote or a sample of Adipic acid monoethyl ester, please contact the Tech Serve Solutions sales team through our website or by calling our direct line. Our team will be pleased to assist you with your inquiry.
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