2,5-Diaminobenzene-1,4-disulfonic acid CAS 7139-89-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 7139-89-1 |
| Molecular Formula | C6H8N2O6S2 |
| Molecular Weight | 268.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 2,5-Diaminobenzene-1,4-disulfonic acid (CAS 7139-89-1) pharmaceutical standards reference standard. Molecular formula: C6H8N2O6S2. Molecular weight: 268.27 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C6H8N2O6S2 |
| Molecular Weight | 268.27 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1959 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
Related Diaminobenzene Standards
- 2,3-Diaminobenzene-1-sulfonamide (CAS 1378259-06-3)
- 2,5-Diaminobenzene-1,4-dithiol (CAS 15657-79-1)
- 2,5-Diaminobenzene-1,4-diol (CAS 10325-89-0)
- 4,6-Diaminobenzene-1,3-diol (CAS 15791-87-4)
- 4,5-Diaminobenzene-1,2-diol (CAS 159661-41-3)
- 4,5-Diaminobenzene-1,2-diol dihydrochloride (CAS 861584-13-6)
- 4,5-Diaminobenzene-1,2-diol hydrobromide (CAS 511512-23-5)
- 4,6-Diaminobenzene-1,3-diol hydrochloride (CAS 319925-00-3)
Recommended Standards
- 2,5-Diamino-1,3-benzenedisulfonic Acid (CAS 6409-48-9)
- 2,6-Dimethyl-3-(5-phenyl-1,3,4-oxadiazol-2-yl)-4H-pyran-4-one (CAS 61820-57-3)
- 2,4-Diamino-6-methylpyrimidin-5-yl ethyl succinate (CAS 62812-21-9)
- 5-(Methylsulfonyl)-6-phenylpyridazin-3(2H)-one (CAS 442123-58-2)
- (2R,3R,4S,5R)-2-(6-Amino-7H-purin-7-yl)tetrahydro-2H-pyran-3,4,5-triol (CAS 18031-41-9)
- 2,5-Dichloro-3-methylbenzyl alcohol (CAS 1807180-27-3)
- 1,2,4-Triphenylpyridin-1-ium iodide (CAS 80576-28-9)
- 2,5-Dimethyl-6-[(2E)-3-phenylprop-2-en-1-yl]pyrazolo[1,5-a]pyrimidin-7-ol (CAS 865657-99-4)
- 2-Ethyl-3-methoxy-2H-indazole-6-carboxylic acid (CAS 919106-95-9)
- (Leu31,Pro3?)-Neuropeptide Y (human, rat) trifluoroacetate salt (CAS 132699-73-1)
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