Dimethyl undecanedioate
Dimethyl undecanedioate (CAS 4567-98-0), with the linear formula CH3OCO(CH2)9COOCH3 and a molecular weight of 244.33 g/mol, is a diester utilized as a versatile chemical building block. It is particularly valuable in organic synthesis and as an intermediate for more complex molecules. Its ester functionalities allow for various chemical transformations, making it a useful component in the synthesis of polymers, pharmaceuticals, and other specialty chemicals.

Organic Synthesis Intermediate
Serves as a key intermediate in the synthesis of various organic compounds. Its difunctional nature allows for chain extension and functional group manipulation in complex molecular architectures.
Polymer Building Block
Can be incorporated into polymer backbones, contributing specific physical and chemical properties. Its dicarboxylic ester structure is suitable for polyester synthesis or modification.
Specialty Chemical Synthesis
Used in the development of specialty chemicals, including lubricants, plasticizers, and surfactants, where its long aliphatic chain and ester groups impart desired characteristics.
| Molecular weight | 244.33 |
|---|---|
| Linear formula | CH3OCO(CH2)9COOCH3 |
| Assay | ≥90% (GC) |
| Grade | technical |
| Boiling point | 123-124 °C/2 mmHg(lit.) |
| Density | 0.983 g/mL at 20 °C(lit.) |
| Refractive index | n20/D 1.440 |
| Melting point | 17-19 °C |
| Protective equipment | Eyeshields, Gloves |
|---|---|
| Flash point | 109 °C / 228.2 °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 Dimethyl undecanedioate used for?
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Dimethyl undecanedioate is primarily used as a building block in organic synthesis and as an intermediate in the production of specialty chemicals and polymers.
What is the CAS number and formula for Dimethyl undecanedioate?
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The CAS number is 4567-98-0 and the linear formula is CH3OCO(CH2)9COOCH3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Dimethyl undecanedioate with a technical grade and an assay of ≥90% (GC). We do not represent this product as USP, BP, or EP grade.
How should Dimethyl undecanedioate be handled safely?
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Handling should involve appropriate personal protective equipment, including eyeshields and gloves. Refer to the safety data sheet for comprehensive handling and hazard information.
How is Dimethyl undecanedioate packed and shipped?
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Dimethyl undecanedioate is packed and shipped according to industry standards for fine chemicals, suitable for global export. Please contact us for specific shipping and export details.
How can I request a sample or quote for Dimethyl undecanedioate?
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To request a sample or a quote, please use the contact form on our website or call our sales team, referencing CAS number 4567-98-0.
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