Undecanedioic acid
Undecanedioic acid (CAS: 1852-04-6), a dicarboxylic acid with the linear formula HOOC(CH2)9COOH, possesses a molecular weight of 216.27 g/mol. This compound is primarily recognised for its utility as a versatile building block in organic synthesis. It finds application in the development of polymers, resins, and specialised chemical intermediates, contributing to advancements in material science and various industrial chemical processes.
- IUPAC
- 1,9-Nonanedicarboxylic acid
- Synonyms
- 1,9-Nonanedicarboxylic acid

Polymer Synthesis
Undecanedioic acid serves as a monomer in the production of polyesters and polyamides. These polymers often exhibit desirable properties such as flexibility and thermal stability, making them suitable for various material applications.
Chemical Intermediates
It is employed in the synthesis of diverse organic compounds, acting as a key intermediate in multi-step reaction pathways for pharmaceuticals, agrochemicals, and specialty chemicals.
Lubricant Additives
Derivatives of undecanedioic acid can be formulated into synthetic lubricants or additives, offering specific performance characteristics under demanding conditions.
Corrosion Inhibitors
The structure of undecanedioic acid lends itself to the development of corrosion inhibitors, particularly for metal protection in various industrial settings.
| Molecular weight | 216.27 |
|---|---|
| Linear formula | HOOC(CH2)9COOH |
| Assay | ≥99.0% (GC) |
| Grade | puriss. |
| Solubility | methanol: soluble10 mg/mL, clear |
| Melting point | 108-110 °C(lit.)110-111 °C |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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 Undecanedioic acid used for?
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Undecanedioic acid is primarily used as a building block in organic synthesis, particularly in the creation of polymers like polyesters and polyamides, and as an intermediate for various specialty chemicals, lubricants, and corrosion inhibitors.
What is the CAS number and formula for Undecanedioic acid?
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The CAS number for Undecanedioic acid is 1852-04-6 and its linear formula is HOOC(CH2)9COOH.
What grade and purity does Tech Serve Solutions supply for Undecanedioic acid?
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Tech Serve Solutions supplies Undecanedioic acid with a purity of ≥99.0% (GC) and a 'puriss.' grade. We do not represent this product as USP, BP, or EP grade unless explicitly stated in the product data.
How should Undecanedioic acid be handled safely?
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Undecanedioic acid is classified as a Warning substance. It can cause skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Recommended personal protective equipment includes a dust mask type N95 (US), eyeshields, and gloves. Ensure good ventilation and avoid breathing dust.
Is Undecanedioic acid a controlled substance?
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Based on the provided data, Undecanedioic acid is not listed as a controlled substance.
How is Undecanedioic acid packed and shipped by TSS?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, adhering to all relevant shipping regulations for chemical products.
How can I request a quote or sample of Undecanedioic acid?
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Please contact our sales department via the website or direct email to request a quote or a sample of Undecanedioic acid.
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