Sodium4,5-dihydroxy-7-sulfonaphthalene-2-sulfonate
Sodium4,5-dihydroxy-7-sulfonaphthalene-2-sulfonate (CAS 3888-44-6) supplier Zemixal: C10H7NaO8S2, COA and SDS with every lot, worldwide shipping.
About Sodium4,5-dihydroxy-7-sulfonaphthalene-2-sulfonate
Sodium4,5-dihydroxy-7-sulfonaphthalene-2-sulfonate is part of the Zemixal sulfur Compounds (Thiols, Sulfides, Sulfonates) range. Key data: CAS 3888-44-6, formula C10H7NaO8S2 and molar mass 342.3 g/mol.
Use cases we see most often
- Organic synthesis
- API synthesis
Safe handling
Hazard communication follows GHS (Warning: H315, H319 and H335). Our SDS lists exposure controls and first-aid measures.
Standard pack sizes are 100 mg, 250 mg, 1 g and 5 g, and custom quantities are quoted on request. Each lot travels with a batch certificate of analysis and a 16-section SDS. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.
Typical uses
- Organic synthesis
- API synthesis
Applications
Specifications and identifiers
| Product name | Sodium4,5-dihydroxy-7-sulfonaphthalene-2-sulfonate |
|---|---|
| Catalogue number | ZX-042130 |
| CAS number | 3888-44-6 |
| IUPAC name | sodium 4,5-dihydroxy-7-sulfonaphthalene-2-sulfonate |
| Molecular formula | C10H7NaO8S2 |
| Molar mass | 342.3 g/mol |
| Exact mass | 341.948 |
| H-bond donors / acceptors | 3 / 8 |
| Topological polar surface area | 169 Ų |
| InChIKey | UPYOFRGSTDARPV-UHFFFAOYSA-M |
| SMILES | C1=C2C=C(C=C(C2=C(C=C1S(=O)(=O)O)O)O)S(=O)(=O)[O-].[Na+] |
| PubChem CID | 23678880 |
| Synonyms | Sodium hydrogen 4,5-dihydroxynaphthalene-2,7-disulphonate, 2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-, sodium salt (1:1), Chromotropic acid sodium salt, Chromotropic acid, monosodium salt, Monosodium mono(4,5-dihydroxynaphthalene-2,7-disulfonate) |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Warning
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501
Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.
Pack sizes
| 100 mg | Quoted on request | |
| 250 mg | Quoted on request | |
| 1 g | Quoted on request | |
| 5 g | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
Questions about Sodium4,5-dihydroxy-7-sulfonaphthalene-2-sulfonate
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