5-Nitrovanillin
5-Nitrovanillin (CAS: 6635-20-7), chemically known as 4-Hydroxy-3-methoxy-5-nitrobenzaldehyde, is an organic compound with the molecular formula C8H7NO5 and a molecular weight of 197.14 g/mol. This yellow crystalline solid serves as a valuable building block and intermediate in organic synthesis. Its structure, featuring aldehyde, hydroxyl, methoxy, and nitro functional groups, allows for diverse chemical transformations, making it useful in the development of more complex molecules.
- IUPAC
- 4-Hydroxy-3-methoxy-5-nitrobenzaldehyde

Organic Synthesis Intermediate
5-Nitrovanillin acts as a versatile intermediate in the synthesis of various organic compounds. Its functional groups can be selectively modified or reacted to create more complex molecular architectures for research and development purposes.
Building Block for Pharmaceuticals
The compound's structure makes it a potential starting material or intermediate in the multi-step synthesis of pharmaceutical agents. Researchers utilise its unique chemical properties to construct novel drug candidates.
Reagent in Chemical Research
As a readily available organic building block, 5-Nitrovanillin is employed in academic and industrial laboratories for exploring new synthetic pathways and developing novel chemical entities.
| Molecular weight | 197.14 |
|---|---|
| Linear formula | 5-O2NC6H2-3-(OCH3)-4-(OH)CHO |
| Assay | 97% |
| Melting point | 172-175 °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) | 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 5-Nitrovanillin used for?
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5-Nitrovanillin is primarily used as an intermediate and building block in organic synthesis, particularly in the research and development of pharmaceutical agents and other complex organic molecules.
What is the CAS number and chemical formula for 5-Nitrovanillin?
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The CAS number for 5-Nitrovanillin is 6635-20-7, and its chemical formula is C8H7NO5 (linear formula: 5-O2NC6H2-3-(OCH3)-4-(OH)CHO).
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5-Nitrovanillin with an assay of 97%. This product is intended for laboratory and research use, and is not represented as USP, BP, EP, or pharmaceutical grade.
How should 5-Nitrovanillin be handled safely?
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5-Nitrovanillin is classified with GHS07 symbol and a Warning signal word. It carries hazard statements 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, eyeshields, and gloves, should be worn. Handle in a well-ventilated area. Refer to the Safety Data Sheet for comprehensive handling information.
How is 5-Nitrovanillin packed and exported?
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5-Nitrovanillin is carefully packed to ensure safe transit and is available for global export by Tech Serve Solutions, a specialist supplier since 1998.
How can I request a quote or sample for 5-Nitrovanillin?
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To request a quote or sample of 5-Nitrovanillin, please contact our sales department through the website or direct contact details provided by Tech Serve Solutions.
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