2-Naphthalenesulfonic acid, polymer with formaldehyde, ammonium sodium salt CAS 67786-30-5
| CAS No. | 67786-30-5 |
| Molecular Formula | C10H7O3S |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Naphthalenesulfonic acid, polymer with formaldehyde, ammonium sodium salt (CAS 67786-30-5) is a high-purity analytical reference standard with the molecular formula C10H7O3SCH4NONa and a molecular weight of 276.26 g/mol.
Structurally, 2-Naphthalenesulfonic acid, polymer with formaldehyde, ammonium sodium salt (C10H7O3SCH4NONa) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 276.26 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 2-Naphthalenesulfonic acid, polymer with formaldehyde, ammonium 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 | C10H7O3S CH4NO Na |
| Molecular Weight | 276.26 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1976 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Naphthalenesulfonic Standards
- 2-Naphthalenesulfonic acid (CAS 120-18-3)
- Naphthalenesulfonic acid, sodium salt (CAS 1321-69-3)
- 2-Naphthalenesulfonic acid, 6-(acetylamino)-4-hydroxy-3-[2-[4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]diazenyl]-, sodium salt (CAS 20262-58-2)
- 1-Naphthalenesulfonic acid, 3,4-dihydro-3,4-dioxo- (CAS 2066-93-5)
- Naphthalenesulfonic acid, methyl-, sodium salt (CAS 26264-58-4)
- Naphthalenesulfonic acid, methylenebis-, sodium salt (CAS 26545-58-4)
- Naphthalenesulfonic acid, dinonyl-, sodium salt (CAS 26834-28-6)
- 2-Naphthalenesulfonic acid, polymer with formaldehyde, sodium salt (CAS 36290-04-7)
Recommended Standards
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