2,6-Naphthalenedisulfonic acid disodium salt
2,6-Naphthalenedisulfonic acid disodium salt (CAS: 1655-45-4) is an organic compound with the molecular formula C10H6(SO3Na)2. This naphthalene derivative is primarily employed as a chemical intermediate and building block in organic synthesis. Its structure, featuring two sulfonate groups on a naphthalene core, lends itself to various chemical transformations, making it a valuable component in the development of more complex molecules for research and industrial applications.
- Synonyms
- C10H6(SO3Na)2

Organic Synthesis Intermediate
Serves as a versatile building block in the synthesis of complex organic molecules. Its disulfonated naphthalene structure allows for further functionalization and derivatization in multi-step chemical processes.
Dye and Pigment Precursor
Can be utilized in the production of azo dyes and other colorants. The naphthalene core and sulfonate groups are common structural elements in many synthetic dyes.
Research and Development
Employed in academic and industrial research laboratories for the exploration of new chemical reactions and material development. It is a useful starting material for novel compound discovery.
| Molecular weight | 332.26 |
|---|---|
| Linear formula | C10H6(SO3Na)2 |
| Assay | 97% |
| Melting point | >300 °C(lit.) |
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 2,6-Naphthalenedisulfonic acid disodium salt used for?
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2,6-Naphthalenedisulfonic acid disodium salt is primarily used as an intermediate and building block in organic synthesis, and can serve as a precursor in the development of dyes and pigments.
What is the CAS number and formula for 2,6-Naphthalenedisulfonic acid disodium salt?
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The CAS number is 1655-45-4 and the molecular formula is C10H6(SO3Na)2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2,6-Naphthalenedisulfonic acid disodium salt with an assay of 97%. We do not represent this product as USP, BP, or EP grade.
How should 2,6-Naphthalenedisulfonic acid disodium salt be handled?
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Based on its classification, appropriate handling procedures should be followed to avoid contact and inhalation. Users should consult the Safety Data Sheet (SDS) for detailed information on hazards and protective measures. It is classified under WGK Germany 3, indicating a high hazard to water.
Is 2,6-Naphthalenedisulfonic acid disodium salt a controlled substance?
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The provided data does not indicate that 2,6-Naphthalenedisulfonic acid disodium salt is a controlled substance.
How is 2,6-Naphthalenedisulfonic acid disodium salt packed and shipped?
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Tech Serve Solutions exports fine chemicals globally. Specific packaging details are available upon request, adhering to international shipping regulations for chemical products.
How can I request a quote or sample?
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Please contact our sales team via the website or by phone to request a quote or a sample of 2,6-Naphthalenedisulfonic acid disodium salt.
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