4,4-Diazoaminodibenzenesulfonic Acid Disodium Salt
- CAS
- 56120-28-6
- Formula
- C12H9N3Na2O6S2
- MW
- 401.3 g/mol
ZX-039786
API Process Intermediates & Related Compounds
4-Hydrazinylbenzenesulfonic acid
Available on request
Buy 4-Hydrazinylbenzenesulfonic acid (CAS 98-71-5) from Zemixal. Request a quote with price, lead time and documents. Catalogue no. ZX-041562.
CAS number98-71-5
FormulaC6H8N2O3S
Molar mass188.21 g/mol
Physical formSolid
HS code2933
InChIKeyIOMZCWUHFGMSEJ-UHFFFAOYSA-N
IUPAC name4-hydrazinylbenzenesulfonic acid
About 4-Hydrazinylbenzenesulfonic acid
Researchers and plant chemists source 4-Hydrazinylbenzenesulfonic acid from Zemixal for routine and specialised work. Key data: CAS 98-71-5, formula C6H8N2O3S and molar mass 188.21 g/mol. It is handled as a solid.
Where it is used
- API route development
- Impurity fate & purge studies
- Analytical method development
Storage and safety notes
It carries the GHS signal word Danger (H302, H314, H315 and H318), so wear gloves and eye protection and work with good ventilation.
Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Each lot travels with a batch certificate of analysis and a 16-section SDS. Request pricing online and we confirm availability, documentation and freight to your country.
Reference standards for Tartrazine
See every impurity, metabolite and related compound we list for this API.
Tartrazine standardsTypical uses
- API route development
- Impurity fate & purge studies
- Analytical method development
Applications
Specifications and identifiers
| Product name | 4-Hydrazinylbenzenesulfonic acid |
|---|---|
| Catalogue number | ZX-041562 |
| CAS number | 98-71-5 |
| IUPAC name | 4-hydrazinylbenzenesulfonic acid |
| Molecular formula | C6H8N2O3S |
| Molar mass | 188.21 g/mol |
| Exact mass | 188.0256 |
| Physical form | Solid |
| XLogP3 | -2.4 |
| H-bond donors / acceptors | 3 / 5 |
| Topological polar surface area | 101 Ų |
| HS code | 2933 |
| InChIKey | IOMZCWUHFGMSEJ-UHFFFAOYSA-N |
| SMILES | C1=CC(=CC=C1NN)S(=O)(=O)O |
| PubChem CID | 66825 |
| Synonyms | 4-Hydrazinobenzenesulfonic acid, Phenylhydrazine-4-sulfonic acid, Benzenesulfonic acid, 4-hydrazino-, p-Sulfophenylhydrazine, 4-Sulfophenylhydrazine, p-Hydrazinobenzenesulfonic acid, Phenylhydrazinesulfonic acid, Phenylhydrazine-p-sulfonic acid, Sulfanilic acid, N-amino-, p-Hydrazinophenylsulfonic acid, Benzenesulfonic acid, p-hydrazino-, Benzenesulfonic acid, 4-hydrazinyl- |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Danger
- H302Harmful if swallowed
- H314Causes severe skin burns and eye damage
- H315Causes skin irritation
- H318Causes serious eye damage
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements P260, P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P301 + P330 + P331, P302 + P352, P302 + P361 + P354, P304 + P340, P305 + P351 + P338, P305 + P354 + P338, P316, P317, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P363, P403 + P233
Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.
Pack sizes
| 10 mg | Quoted on request | |
| 25 mg | Quoted on request | |
| 50 mg | Quoted on request | |
| 100 mg | 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-Hydrazinylbenzenesulfonic acid
Which CAS number identifies 4-Hydrazinylbenzenesulfonic acid?
4-Hydrazinylbenzenesulfonic acid is registered under CAS 98-71-5. You may also see it listed as 4-Hydrazinobenzenesulfonic acid, Phenylhydrazine-4-sulfonic acid, Benzenesulfonic acid, 4-hydrazino-. Our catalogue number for this item is ZX-041562.
What are the formula and molar mass of 4-Hydrazinylbenzenesulfonic acid?
For 4-Hydrazinylbenzenesulfonic acid, its formula is C6H8N2O3S and its molar mass is 188.21 g/mol. The systematic (IUPAC) name is 4-hydrazinylbenzenesulfonic acid. InChIKey IOMZCWUHFGMSEJ-UHFFFAOYSA-N lets you match it in any structure database.
How is 4-Hydrazinylbenzenesulfonic acid used in pharmaceutical QC?
4-Hydrazinylbenzenesulfonic acid is a characterised reference material linked to Tartrazine. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for 4-Hydrazinylbenzenesulfonic acid?
The grade and assay are confirmed on the quotation and the batch COA. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with 4-Hydrazinylbenzenesulfonic acid?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship 4-Hydrazinylbenzenesulfonic acid to my country?
Yes. Because 4-Hydrazinylbenzenesulfonic acid is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.
More Tartrazine standards
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Methyl 1-methyl-4-oxopiperidine-3-carboxylate hydrochloride
- CAS
- 13049-77-9
- Formula
- C8H14ClNO3
- MW
- 207.65 g/mol
ZX-041551
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