4-Ethyl-3-nitrobenzaldehyde
4-Ethyl-3-nitrobenzaldehyde (CAS 4748-80-5), with the molecular formula C9H9NO3 and a molecular weight of 179.17 g/mol, is a substituted benzaldehyde. It functions as a valuable intermediate and building block in organic synthesis. This compound is primarily utilised in the research and development of novel chemical entities and materials, contributing to advancements in various chemical sectors.

Organic Synthesis Intermediate
4-Ethyl-3-nitrobenzaldehyde serves as a key building block in multi-step organic syntheses. Its aldehyde and nitro functionalities allow for diverse chemical transformations, enabling the construction of more complex molecular architectures.
Research and Development
This compound is employed in academic and industrial research laboratories for exploring new synthetic pathways and developing novel compounds. Its unique structure makes it suitable for investigating structure-activity relationships in medicinal chemistry and materials science.
Specialty Chemicals
As a fine chemical, it finds application in the synthesis of specialty chemicals where specific aromatic aldehyde and nitro group substitutions are required for targeted properties.
| Molecular weight | 179.17 |
|---|---|
| Empirical formula | C9H9NO3 |
| Assay | 97% |
| Boiling point | 96-98 °C/0.05 mmHg(lit.) |
| Density | 1.212 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.560(lit.) |

Hazard statements
- H315Causes skin irritation
- H317May cause an allergic skin reaction
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Flash point | >110 °C / >230 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38-43 |
| Safety statements (S) | 26 |
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-Ethyl-3-nitrobenzaldehyde used for?
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4-Ethyl-3-nitrobenzaldehyde (CAS 4748-80-5) is primarily used as an intermediate and building block in organic synthesis and research and development for creating novel chemical entities.
What are the CAS number and molecular formula for 4-Ethyl-3-nitrobenzaldehyde?
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The CAS number for 4-Ethyl-3-nitrobenzaldehyde is 4748-80-5, and its molecular formula is C9H9NO3.
What grade and purity does Tech Serve Solutions supply for 4-Ethyl-3-nitrobenzaldehyde?
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Tech Serve Solutions supplies 4-Ethyl-3-nitrobenzaldehyde with a minimum assay of 97%. This is typically considered a technical or research grade. TSS does not represent this product as USP, BP, or EP grade.
How should 4-Ethyl-3-nitrobenzaldehyde be handled safely?
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4-Ethyl-3-nitrobenzaldehyde is a Warning substance (GHS07) and requires careful handling. It may cause skin irritation (H315), allergic skin reaction (H317), serious eye irritation (H319), and respiratory irritation (H335). Appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, faceshields, and gloves, should be worn. Ensure adequate ventilation.
Is 4-Ethyl-3-nitrobenzaldehyde a controlled substance?
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The provided data does not indicate that 4-Ethyl-3-nitrobenzaldehyde (CAS 4748-80-5) is a controlled substance.
How is 4-Ethyl-3-nitrobenzaldehyde typically packed and exported?
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Tech Serve Solutions, as a specialist global supplier and exporter, handles the packing and shipping of 4-Ethyl-3-nitrobenzaldehyde in compliance with relevant regulations for international transport.
How can I request a quote or sample of 4-Ethyl-3-nitrobenzaldehyde?
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To request a quote or sample for 4-Ethyl-3-nitrobenzaldehyde, please contact Tech Serve Solutions directly through our website or sales channels, providing your specific requirements.
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