Sulphonazo III
Sulphonazo III (CAS 68504-35-8) supplier Zemixal. Request a quote with price, lead time and documents. Catalogue no. ZX-010038.
About Sulphonazo III
Researchers and plant chemists source Sulphonazo III from Zemixal for routine and specialised work. For your records (90%), the material is defined by CAS 68504-35-8, formula C22H12N4Na4O14S4 and molar mass 776.6 g/mol. It is described as dark green to black powder or crystals.
Use cases we see most often
- Analytical determinations
- Indicator for titrations
Handling and storage
Hazard communication follows GHS (Warning: H315 and H319). Our SDS lists exposure controls and first-aid measures.
Available as 1 g, 5 g, 25 g and 100 g. Larger or split packs can be arranged. Each lot travels with a batch certificate of analysis and a 16-section SDS. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.
Typical uses
- Analytical determinations
- Indicator for titrations
Applications
Specifications and identifiers
| Product name | Sulphonazo III |
|---|---|
| Catalogue number | ZX-010038 |
| CAS number | 68504-35-8 |
| IUPAC name | tetrasodium;4,5-dihydroxy-3,6-bis[(2-sulfonatophenyl)diazenyl]naphthalene-2,7-disulfonate |
| Molecular formula | C22H12N4Na4O14S4 |
| Molar mass | 776.6 g/mol |
| Exact mass | 775.8824 |
| Purity / assay | 90% |
| Physical form | Crystalline |
| Appearance | Dark green to black powder or crystals |
| H-bond donors / acceptors | 2 / 18 |
| Topological polar surface area | 352 Ų |
| HS code | 29270090 |
| InChIKey | FCMRBZBGGXLKBC-UHFFFAOYSA-J |
| SMILES | C1=CC=C(C(=C1)N=NC2=C(C3=C(C(=C(C=C3C=C2S(=O)(=O)[O-])S(=O)(=O)[O-])N=NC4=CC=CC=C4S(=O)(=O)[O-])O)O)S(=O)(=O)[O-].[Na+].[Na+].[Na+].[Na+] |
| PubChem CID | 135465064 |
| Synonyms | Sulfonazo III, Tetrasodium 4,5-dihydroxy-3,6-bis((2-sulphonatophenyl)azo)naphthalene-2,7-disulphonate, Sulfonazo III sodium salt, Sulfonazo III Salt, Sulfonazo III Sodium Salt (Technical Grade), starbld0009660, 3,6-bis[o-Sulfophenylazo]-4,5-di- hydroxy-2,7-naphthalenedisulfonic acid, 2,7-Bis(2-sulfophenylazo)-1,8-dihydroxynaphthalene-3,6-disulfonic Acid Tetrasodium Salt |
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
Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.
Pack sizes
| 1 g | Quoted on request | |
| 5 g | Quoted on request | |
| 25 g | Quoted on request | |
| 100 g | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
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