4409-98-7 Dipotassium phthalate 1,2-Benzenedicarboxylic acid, potassium salt (1:2) 1,2-Benzenedicarboxylic acid, dipotassium salt EINECS 224-561-8 Phthalic acid, dipotassium salt CAS 4409-98-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 4409-98-7 |
| Molecular Formula | C8H10O4 2*K |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4409-98-7 Dipotassium phthalate 1,2-Benzenedicarboxylic acid, potassium salt (1:2) 1,2-Benzenedicarboxylic acid, dipotassium salt EINECS 224-561-8 Phthalic acid, dipotassium salt (CAS 4409-98-7), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C8H10O4 2*K. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C8H10O4 2*K |
| Molecular Weight | 209.26 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
Related Dipotassium Standards
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- Dipotassium tris(1,2-benzenediolato-O,O′)germanate (CAS 112712-64-8)
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- 22387-03-7 Dipotassium hydrogen (~2~H)phosphate DTXSID90628414 (CAS 22387-03-7)
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com