4-Chloro-2-nitrobenzaldehyde
4-Chloro-2-nitrobenzaldehyde (CAS 5551-11-1), a key organic building block with the molecular formula C7H4ClNO3, presents as a solid carbonyl compound. This chemical intermediate is frequently employed in organic synthesis for the construction of more complex molecules. Its reactivity makes it valuable in the fine chemical and pharmaceutical industries for developing novel compounds and active pharmaceutical ingredients.

Organic Synthesis Intermediate
This compound serves as a crucial intermediate in the synthesis of diverse organic molecules. Its specific functional groups allow for various chemical transformations in multi-step synthetic pathways.
Pharmaceutical Research and Development
It is utilised in R&D settings for the creation of novel chemical entities, potentially leading to the development of new active pharmaceutical ingredients (APIs). Its structure provides a versatile scaffold for medicinal chemistry efforts.
Fine Chemical Manufacturing
4-Chloro-2-nitrobenzaldehyde is a valuable reagent in the fine chemical sector, facilitating the production of specialised chemicals for various industrial applications.
| Molecular weight | 185.56 |
|---|---|
| Empirical formula | C7H4ClNO3 |

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) | 26-37/39 |
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-Chloro-2-nitrobenzaldehyde typically used for?
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4-Chloro-2-nitrobenzaldehyde is primarily used as an intermediate in organic synthesis, particularly in the pharmaceutical and fine chemical industries for the construction of more complex molecules.
What are the CAS number and molecular formula for 4-Chloro-2-nitrobenzaldehyde?
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The CAS number is 5551-11-1 and the molecular formula is C7H4ClNO3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical for research and technical applications. Specific grades and purities should be confirmed with our sales team, as we do not represent this product as USP, BP, or EP grade.
How should 4-Chloro-2-nitrobenzaldehyde be handled safely?
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Based on GHS classifications, handle with appropriate personal protective equipment including a dust mask (type N95 US), eyeshields, and gloves. Avoid breathing dust and ensure adequate ventilation. Refer to the Safety Data Sheet for comprehensive handling information.
Is 4-Chloro-2-nitrobenzaldehyde a controlled substance?
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The provided data does not indicate that 4-Chloro-2-nitrobenzaldehyde (CAS 5551-11-1) is a controlled substance.
How is this chemical exported or shipped?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals. Details regarding packaging and international shipping comply with all relevant regulations.
How can I request a quote or sample?
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To request a quote or a sample, please contact our sales department through the website or by phone, providing the product name and CAS number.
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