1,4-Benzenedisulfonic acid, 2-amino-, sodium salt CAS 76684-33-8
| CAS No. | 76684-33-8 |
| Molecular Formula | C6H5NO6S2 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a carbohydrate-derived structure, an amide group, a sulfone group, 1,4-Benzenedisulfonic acid, 2-amino-, sodium salt is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 274.22 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
1,4-Benzenedisulfonic acid, 2-amino-, sodium salt (CAS 76684-33-8) is a high-purity analytical reference standard with the molecular formula C6H5NO6S2Na and a molecular weight of 274.22 g/mol.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 1,4-Benzenedisulfonic acid, 2-amino-, sodium salt meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C6H5NO6S2 2*Na |
| Molecular Weight | 274.22 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1978 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
Related Benzenedisulfonic Standards
- 137-50-8 1,3-Benzenedisulfonic acid, 4,6-diamino- 4,6-Diaminobenzene-1,3-disulphonic acid EINECS 205-298-8 (CAS 137-50-8)
- Benzenedisulfonic acid (CAS 30496-93-6)
- 1,3-Benzenedisulfonic acid, diethyl ester (CAS 34577-48-5)
- 1,2-Benzenedisulfonic Imide (CAS 4482-01-3)
- 1,3-Benzenedisulfonic acid, 4-[2-[5-(aminocarbonyl)-1-ethyl-1,6-dihydro-2-hydroxy-4-methyl-6-oxo-3-pyridinyl]diazenyl]-6-[(4,6-dichloro-1,3,5-triazin-2-yl)amino]-, sodium salt (CAS 70865-29-1)
Recommended Standards
- 2-Amino-1-((2R,3S,4R,5R)-3-fluoro-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)pyrimidin-4(1H)-one (CAS 1006872-82-7)
- N-Methyl-1-(1-methyl-1H-1,2,4-triazol-5-yl)methanamine sesquihydrochloride (CAS 2097937-91-0)
- Methyl 2-(chloromethyl)-1-methyl-1H-benzo[d]imidazole-6-carboxylate (CAS 1774370-74-9)
- 1,1,2,2-Tetrafluoroethyl 2,2,2-Trifluoroethyl Ether (CAS 406-78-0)
- 1-(4-Butoxybenzoyl)-4-[(3-phenyl-1,2,4-oxadiazol-5-yl)methyl]piperidine (CAS 1775468-02-4)
- 7M7RX75BAL 7789-43-7 Cobalt dibromide Cobalt bromide (CoBr2) Cobalt bromide Cobalt(II) bromide Cobaltous bromide HSDB 998 EINECS 232-166-7 UNII-7M7RX75BAL (CAS 7789-43-7)
- N-(4-bromo-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)pivalamide (CAS 1800546-96-6)
- (2S,4S)-1-(tert-butoxycarbonyl)-4-(2-isopropylphenoxy)pyrrolidine-2-carboxylic acid (CAS 1354486-75-1)
- 5-Cyclopropyl-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzonitrile (CAS 2223039-40-3)
- Semaglutide impurity 70 (CAS CATO-C4X-222670)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com