Undecanoyl chloride
Undecanoyl chloride (CAS: 17746-05-3) is a reactive acyl halide with the linear formula CH₃(CH₂)₉COCl and a molecular weight of 204.74 g/mol. This compound serves as a valuable building block in organic synthesis, particularly for introducing the undecanoyl group into various molecules. It is utilised in the preparation of complex organic compounds and specialty chemicals, acting as a key intermediate in multi-step synthetic pathways.
Synthesis of Chrysotrione B
Undecanoyl chloride is employed in the synthesis of chrysotrione B, a 2-acylcyclopentene-1,3-dione derivative. This compound was originally isolated from the fruiting bodies of the basidiomycete *Hygrophorus chrysodon*.
Intermediate for Organic Synthesis
The compound acts as a reactive acylating agent for introducing the undecanoyl functional group. It is used in the synthesis of specific organic molecules, including fatty acyls and related lipid structures.
Preparation of Ketones and Acids
Applications include the preparation of compounds such as 2-methylpentadecan-5-one and 4-ketotetradecanoic acid, demonstrating its utility in building more complex carbon chains and functionalised molecules.
| Molecular weight | 204.74 |
|---|---|
| Linear formula | CH3(CH2)9COCl |
| Assay | 99% |
| Boiling point | 135-136 °C/20 mmHg(lit.) |
| Refractive index | n20/D 1.443(lit.) |
| Application | Undecanoyl chloride has been used in the synthesis of:• chrysotrione B, 2-acylcyclopentene-1,3-dione derivative, isolated from the fruiting bodies of the basidiomycete Hygrophorus chrysodon1• 2-methylpentadecan-5-one2• 4-ketotetradecanoic acid2 |
Hazard statements
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 113 °C / 235.4 °F |
| Transport (UN / ADR) | UN 3265 8 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 34 |
| Safety statements (S) | 26-36/37/39-45 |
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 Undecanoyl chloride used for?
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Undecanoyl chloride is used as a building block in organic synthesis, for introducing the undecanoyl group, and in the preparation of compounds such as chrysotrione B, 2-methylpentadecan-5-one, and 4-ketotetradecanoic acid.
What are the CAS number and formula for Undecanoyl chloride?
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The CAS number for Undecanoyl chloride is 17746-05-3, and its linear formula is CH₃(CH₂)₉COCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Undecanoyl chloride with a purity of 99%. We do not represent this product as USP, BP, EP, or any pharmacopoeia grade unless explicitly stated in the product specifications.
How should Undecanoyl chloride be handled safely?
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Undecanoyl chloride is classified as Danger due to causing severe skin burns and eye damage (H314). Handling requires appropriate personal protective equipment, including gloves, goggles, face shields, and suitable respiratory protection. Ensure adequate ventilation.
How is Undecanoyl chloride packed and exported?
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Undecanoyl chloride is packed and exported in compliance with relevant regulations for hazardous materials, identified under UN 3265, Class 8, Packing Group II.
How can I request a quote or sample of Undecanoyl chloride?
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To request a quote or sample of Undecanoyl chloride, please contact our sales department via the website or phone number provided. Our team will assist you with your inquiry.
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