1-Nitroso-2-naphthol
1-Nitroso-2-naphthol (CAS: 131-91-9; Formula: ONC10H6OH; MW: 173.17) is a chemical compound utilized in various synthesis applications. It appears as a solid and is known for its role as an intermediate and building block in organic chemistry. Its specific properties make it valuable for researchers and industrial chemists engaged in the development of new materials and complex molecules. The compound's structure lends itself to diverse chemical transformations.
Organic Synthesis Reagent
1-Nitroso-2-naphthol serves as a key building block in the synthesis of more complex organic molecules. It is employed in various chemical reactions to introduce specific functional groups or to construct carbon frameworks. Its utility is found in both academic research and industrial chemical development.
Intermediate in Dye Manufacturing
This compound can be used as an intermediate in the production of certain dyes and pigments. Its chemical structure is conducive to forming chromophoric systems, essential for colouration applications. The specific colour index number (10005) suggests historical or potential use in this sector.
Analytical Chemistry Applications
1-Nitroso-2-naphthol has found applications as a reagent in analytical chemistry, particularly for the detection or quantification of certain metal ions. Its ability to form complexes allows for colorimetric analysis in specific assays.
| Molecular weight | 173.17 |
|---|---|
| Linear formula | ONC10H6OH |
| Assay | ≥97.0% |
| Melting point | 106-108 °C (dec.)(lit.) |
Hazard statements
- H302Harmful if swallowed
- 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) | Xn |
| Risk statements (R) | 22-36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Colour Index Number | 10005 |
|---|
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 1-Nitroso-2-naphthol used for?
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1-Nitroso-2-naphthol is primarily used as a building block and intermediate in organic synthesis, and has found applications in dye manufacturing and analytical chemistry for detecting certain metal ions.
What are the CAS number and formula for 1-Nitroso-2-naphthol?
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The CAS number for 1-Nitroso-2-naphthol is 131-91-9, and its linear formula is ONC10H6OH.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1-Nitroso-2-naphthol with an assay of ≥97.0%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should 1-Nitroso-2-naphthol be handled?
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1-Nitroso-2-naphthol is a Warning substance (GHS07) and is harmful if swallowed (H302), causes skin irritation (H315), causes serious eye irritation (H319), and may cause respiratory irritation (H335). Handle with appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves. Avoid breathing dust (P261) and ensure proper eye protection during handling (P305 + P351 + P338).
Is 1-Nitroso-2-naphthol a controlled substance?
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Based on the provided data, there is no indication that 1-Nitroso-2-naphthol is a controlled substance.
How is 1-Nitroso-2-naphthol packed, shipped, and exported?
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Tech Serve Solutions packs and ships 1-Nitroso-2-naphthol in compliance with all relevant regulations for chemical export. Specific packaging details can be provided upon request.
How can I request a sample or quote for 1-Nitroso-2-naphthol?
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To request a sample or quote for 1-Nitroso-2-naphthol, please contact our sales department through the website or by phone, specifying the product name and CAS number (131-91-9).
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