Azelaic acid dichloride
Azelaic acid dichloride (CAS: 123-98-8) is a bifunctional organic compound with the linear formula ClOC(CH2)7COCl and a molecular weight of 225.11 g/mol. As a reactive acid halide, it serves as a valuable building block in organic synthesis. Its primary applications involve the creation of polymers and complex organic molecules, leveraging its two acyl chloride functional groups for esterification, amidation, and other nucleophilic substitution reactions.
- IUPAC
- Azelaoyl chloride,Nonanedioyl chloride,Nonanedioyl dichloride
- Synonyms
- Azelaoyl chlorideNonanedioyl chlorideNonanedioyl dichloride
Synthesis of Electrochromic Polyamides
Azelaic acid dichloride is utilised in the preparation of electrochromic polyamides. These materials are often synthesised as alternating copolymers, where the dichloride plays a key role in forming the polymer backbone.
Preparation of Diketones
This compound is employed in the synthesis of specific diketone structures. Examples include 1,9-diphenylnonane-1,9-dione and 1,9-di(4-butylphenyl)nonane-1,9-dione, formed through reactions involving the dichloride.
Organic Synthesis Building Block
As a versatile difunctional acyl chloride, azelaic acid dichloride is a useful intermediate for constructing larger organic molecules. It can participate in various acylation reactions to introduce the C9 difunctional chain into target compounds.
| Molecular weight | 225.11 |
|---|---|
| Linear formula | ClOC(CH2)7COCl |
| Assay | 98% |
| Boiling point | 166 °C/18 mmHg(lit.) |
| Density | 1.143 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.467(lit.) |
| Application | Azelaic acid dichloride (Azelaoyl chloride) was used in synthesis of:• series of electrochromic polyamides (alternating copolymers)1• 1,9-diphenylnonane-1,9-dione2• 1,9-di(4-butylphenyl)nonane-1,9-dione2 |
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) | 34-37 |
| 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 Azelaic acid dichloride used for?
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Azelaic acid dichloride is used as a building block in organic synthesis, notably for creating electrochromic polyamides and various diketone compounds.
What is the CAS number and formula for Azelaic acid dichloride?
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The CAS number is 123-98-8, and the linear formula is ClOC(CH2)7COCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Azelaic acid dichloride with an assay of 98%. We do not represent this product as USP, BP, or EP grade.
How should Azelaic acid dichloride be handled safely?
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Azelaic acid dichloride is corrosive and can cause severe burns. Handle with appropriate personal protective equipment, including a full-face respirator, gloves, and goggles. Avoid contact with skin, eyes, and clothing. Ensure adequate ventilation. Refer to the Safety Data Sheet for comprehensive handling information.
Is Azelaic acid dichloride a controlled substance?
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The provided data does not indicate that Azelaic acid dichloride is a controlled substance.
How is Azelaic acid dichloride shipped and exported?
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Azelaic acid dichloride is classified under UN 3265, hazard class 8, packing group II, indicating it is shipped as a corrosive liquid, acidic, organic, n.o.s. Tech Serve Solutions is experienced in global export of chemicals.
How can I request a quote or sample?
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Please contact our sales department via our website or direct contact details to request a quote or a sample of Azelaic acid dichloride.
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