Azelaic acid
Azelaic acid (CAS: 123-99-9, Formula: HO2C(CH2)7CO2H) is a dicarboxylic acid with a molecular weight of 188.22 g/mol. This white crystalline solid functions as a versatile organic building block. Its primary applications are found in chemical synthesis and as an intermediate in the production of polymers and other complex organic molecules. Azelaic acid is a key component in various industrial and research chemical processes.
- IUPAC
- Nonanedioic acid
- Synonyms
- Nonanedioic acid

Chemical Synthesis Intermediate
Azelaic acid serves as a crucial intermediate in organic synthesis, enabling the creation of more complex chemical structures. Its dicarboxylic acid functionality allows for diverse reactions in the development of new compounds for research and industrial applications.
Polymer Production
The compound is utilised in the synthesis of polymers, contributing to the development of materials with specific properties. Its structure allows it to be incorporated into polymer chains, modifying their characteristics.
Research and Development
Azelaic acid is employed in laboratory settings for a wide range of research purposes. It acts as a valuable reagent in the exploration of new chemical pathways and the characterisation of novel substances.
| Molecular weight | 188.22 |
|---|---|
| Linear formula | HO2C(CH2)7CO2H |
| Assay | 98% |
| Grade | puriss. |
| Boiling point | 286 °C/100 mmHg(lit.) |
| Vapour pressure | <1 mmHg (20 °C) |
| Vapour density | 6.5 (vs air) |
| Melting point | 109-111 °C(lit.) |

Hazard statements
- H319Causes serious eye irritation
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Flash point | 210 °C / 410 °F |
| Water hazard class (WGK, DE) | 1 |
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 Azelaic acid used for?
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Azelaic acid is used as a versatile organic building block, primarily in chemical synthesis and for the production of polymers and other complex organic molecules in research and industrial settings.
What is the CAS number and chemical formula for Azelaic acid?
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The CAS number for Azelaic acid is 123-99-9, and its chemical formula is HO2C(CH2)7CO2H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Azelaic acid with an assay of 98% and a grade of puriss. We do not represent this product as USP, BP, or EP grade.
What are the safety and handling precautions for Azelaic acid?
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Azelaic acid is classified with a GHS07 symbol and the signal word 'Warning', with hazard statement H319 indicating it causes serious eye irritation. Recommended personal protective equipment includes eyeshields, gloves, and an appropriate respirator filter (type N95 or P1).
How is Azelaic acid packed, shipped, and exported?
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Tech Serve Solutions, as a specialist global supplier and exporter, ensures appropriate packing and shipping methods for Azelaic acid to meet international regulations and client requirements.
How can I request a quote or sample of Azelaic acid?
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To request a quote or sample of Azelaic acid, please contact the Tech Serve Solutions sales team through our official channels.
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