3-Methoxy-5-nitrosalicylaldehyde
3-Methoxy-5-nitrosalicylaldehyde (CAS: 17028-61-4) is an organic compound with the molecular formula CH3OC6H2(NO2)-2-(OH)CHO and a molecular weight of 197.14 g/mol. This aromatic aldehyde, featuring methoxy, nitro, and hydroxyl substituents, serves as a valuable building block in organic synthesis. Its specific functional groups enable its use in the creation of more complex molecules for various chemical applications.

Organic Synthesis Intermediate
This compound functions as a versatile intermediate in the synthesis of complex organic molecules. Its reactive aldehyde group and substituted aromatic ring allow for diverse chemical transformations.
Building Block for Specialty Chemicals
Utilised as a key building block, it contributes to the development of specialty chemicals and advanced materials. The presence of nitro and hydroxyl groups offers specific reactivity profiles.
Research and Development
Employed in research laboratories for the exploration of novel chemical pathways and the synthesis of new compounds. Its well-defined structure facilitates predictable reaction outcomes.
| Molecular weight | 197.14 |
|---|---|
| Linear formula | CH3OC6H2(NO2)-2-(OH)CHO |
| Assay | 98% |
| Melting point | 141-143 °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 3-Methoxy-5-nitrosalicylaldehyde used for?
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3-Methoxy-5-nitrosalicylaldehyde is primarily used as an intermediate and building block in organic synthesis for the creation of more complex molecules.
What is the CAS number and molecular formula for 3-Methoxy-5-nitrosalicylaldehyde?
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The CAS number is 17028-61-4 and the molecular formula is CH3OC6H2(NO2)-2-(OH)CHO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Methoxy-5-nitrosalicylaldehyde with a minimum assay of 98%. This product is supplied for laboratory and research use and is not represented as USP, BP, EP, or any other pharmacopoeia grade.
How should 3-Methoxy-5-nitrosalicylaldehyde be handled safely?
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Handle with appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves. Avoid inhalation of dust and ensure adequate ventilation. This compound is classified as an irritant to skin, eyes, and respiratory system (H315, H319, H335).
Is 3-Methoxy-5-nitrosalicylaldehyde packed and shipped internationally?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals. Products are packed and shipped according to international regulations.
How can I request a quote or sample for 3-Methoxy-5-nitrosalicylaldehyde?
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To request a quote or a sample, please contact our sales team via the website or by telephone, providing your details and the product CAS number 17028-61-4.
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