4-Ethynylbenzaldehyde
4-Ethynylbenzaldehyde (CAS: 63697-96-1), with the molecular formula HC≡CC<sub>6</sub>H<sub>4</sub>CHO and a molecular weight of 130.14 g/mol, is a versatile organic building block. It features both an aldehyde and a terminal alkyne functional group, making it valuable for diverse chemical syntheses. This compound serves as an intermediate in the development of complex organic molecules, particularly within material science and pharmaceutical research.
Organic Synthesis Intermediate
Utilised as a fundamental building block in multi-step organic syntheses. The presence of both aldehyde and ethynyl groups allows for various coupling and derivatisation reactions.
Materials Science
Can be incorporated into polymers or functional materials where its reactive groups can be leveraged for cross-linking or introducing specific properties.
Pharmaceutical Research
Serves as a precursor in the synthesis of potential drug candidates or biologically active compounds, enabling the construction of complex molecular scaffolds.
| Molecular weight | 130.14 |
|---|---|
| Linear formula | HC≡CC6H4CHO |
| Assay | 97% |
| Melting point | 89-93 °C(lit.) |
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) | 22-26-36 |
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 4-Ethynylbenzaldehyde used for?
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4-Ethynylbenzaldehyde is primarily used as an intermediate in organic synthesis, particularly in materials science and pharmaceutical research for constructing complex organic molecules.
What are the CAS number and formula for 4-Ethynylbenzaldehyde?
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The CAS number is 63697-96-1 and the formula is HC≡CC<sub>6</sub>H<sub>4</sub>CHO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Ethynylbenzaldehyde with an assay of 97%. We do not represent this product as USP, EP, or BP grade.
What are the safety considerations for handling 4-Ethynylbenzaldehyde?
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4-Ethynylbenzaldehyde is a Warning substance, classified with H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation). Appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves, should be used. Handle in a well-ventilated area.
How is 4-Ethynylbenzaldehyde packaged and shipped?
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This chemical is carefully packaged to maintain its integrity during transit and is exported globally by Tech Serve Solutions.
How can I request a sample or quote for 4-Ethynylbenzaldehyde?
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To request a sample or a quote, please contact our sales department through the website or by phone.
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