S3264
Sigma
Sodium phosphate dibasic
for molecular biology, ≥98.5% (titration)
DOWNLOAD MSDS (PDF)Synonym: sec-Sodium phosphate, Disodium hydrogen phosphate, Disodium phosphate, Sodium hydrogenphosphate
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CAS Number 7558-79-4
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Linear Formula Na2HPO4
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Molecular Weight 141.96
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EC Number 231-448-7
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MDL number MFCD00003496
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PubChem Substance ID 24899552
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Popular Documents: Specification Sheet (PDF)
Properties
| Related Categories | Biochemicals, Biological Buffers, Buffer / Buffer Salts, Buffers / Buffer Salts, Buffers A to Z, |
| Quality Level | PREMIUM |
| grade | for molecular biology |
| assay | ≥98.5% (titration) |
| pKa (25 °C) | (1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid) |
| solubility | H2O: soluble100 mg/mL |
| anion traces | chloride (Cl-): ≤40 ppm |
| cation traces | Fe: ≤20 ppm |
Price and Availability
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