4-Diazobenzenesulfonic acid
4-Diazobenzenesulfonic acid (CAS 305-80-6) supplier Zemixal. Request a quote with price, lead time and documents. Packs from 100 mg.
About 4-Diazobenzenesulfonic acid
Zemixal supplies 4-Diazobenzenesulfonic acid within its pharma Intermediates & Building Blocks portfolio. For your records, the material is defined by CAS 305-80-6, formula C6H4N2O3S and molar mass 184.17 g/mol.
Common uses in the lab and plant
- Organic synthesis
- API synthesis
Safe handling
It carries the GHS signal word Warning (H315 and H335), so wear gloves and eye protection and work with good ventilation.
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 | 4-Diazobenzenesulfonic acid |
|---|---|
| Catalogue number | ZX-043038 |
| CAS number | 305-80-6 |
| IUPAC name | 4-diazoniobenzenesulfonate |
| Molecular formula | C6H4N2O3S |
| Molar mass | 184.17 g/mol |
| Exact mass | 183.9943 |
| XLogP3 | 1.2 |
| H-bond donors / acceptors | 0 / 4 |
| Topological polar surface area | 93.7 Ų |
| HS code | 2933 |
| InChIKey | UEUIKXVPXLWUDU-UHFFFAOYSA-N |
| SMILES | C1=CC(=CC=C1[N+]#N)S(=O)(=O)[O-] |
| PubChem CID | 67539 |
| Synonyms | p-Diazobenzenesulfonic acid, 4-Sulfonatobenzenediazonium, 4-sulfobenzenediazonium inner salt, 4-Diazobenzenesulphonic acid, Benzenediazonium, 4-sulfo-, inner salt, p-diazoniobenzenesulfonate, para-azobenzenesulfonate, 4-Benzenediazoniumsulfonate, 4-DBSA, 1-benzenediazonium-4-sulfonate, Sulfanilic acid diazonium salt, 4-sulfobenzenediazoniumhydroxide |
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
- H335May cause respiratory irritation
Precautionary statements P261, P264, P271, P280, P302 + P352, P304 + P340, P319, P321, P332 + 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 4-Diazobenzenesulfonic acid
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More in Sulfur Compounds (Thiols, Sulfides, Sulfonates)
- CAS
- 60376-77-4
- Formula
- C11H12ClN3O6S
- MW
- 349.75 g/mol
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