1-Nitroso-2-naphthol-3,6-disulfonic acid disodium salt hydrate
1-Nitroso-2-naphthol-3,6-disulfonic acid disodium salt hydrate (CAS: 525-05-3) is a chemical compound with the linear formula ONC₁₀H₄(OH)(SO₃Na)₂ · xH₂O. This substance, with a molecular weight of 377.26 on an anhydrous basis, functions as a valuable reagent in chemical synthesis. It is commonly employed as a building block in organic chemistry and for the detection and determination of certain metal ions.
- IUPAC
- 3-Hydroxy-4-nitroso-2,7-naphthalenedisulfonic acid disodium salt,Nitroso-R salt,Nitroso-R-salt
- Synonyms
- ONC10H4(OH)(SO3Na)2 · xH2O3-Hydroxy-4-nitroso-2,7-naphthalenedisulfonic acid disodium saltNitroso-R salt
Analytical Reagent
This compound serves as a sensitive colorimetric reagent for the detection and quantification of metal ions, particularly cobalt.
Organic Synthesis
It is utilised as a building block in the synthesis of more complex organic molecules, contributing to the field of chemical synthesis.
Dye Intermediate
Historically, nitrosonaphthol derivatives have found use in the preparation of azo dyes and pigments, indicating potential applications in the colourant industry.
| Molecular weight | 377.26 (anhydrous basis) |
|---|---|
| Linear formula | ONC10H4(OH)(SO3Na)2 · xH2O |
| Melting point | >300 °C(lit.) |
Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H332Harmful if inhaled
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/21/22 |
| Safety statements (S) | 22-24/25 |
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 1-Nitroso-2-naphthol-3,6-disulfonic acid disodium salt hydrate used for?
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This compound is primarily used as an analytical reagent for the detection of metal ions, such as cobalt, and as a building block in organic synthesis.
What is the CAS number and formula for 1-Nitroso-2-naphthol-3,6-disulfonic acid disodium salt hydrate?
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The CAS number for the anhydrous form is 525-05-3. The linear formula is ONC₁₀H₄(OH)(SO₃Na)₂ · xH₂O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical as a research-grade material. We do not represent it as USP, BP, or EP grade.
How should 1-Nitroso-2-naphthol-3,6-disulfonic acid disodium salt hydrate be handled?
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Handle with appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves. Avoid breathing dust. It is harmful if swallowed, in contact with skin, or if inhaled (H302, H312, H332).
How is this chemical packed, shipped, and exported?
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Tech Serve Solutions professionally packs and ships chemicals globally, adhering to all necessary export regulations and safety standards.
How can I request a quote or sample?
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Please contact our sales team directly through our website or by phone to request a quote or a sample of 1-Nitroso-2-naphthol-3,6-disulfonic acid disodium salt hydrate.
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