| TAPS 99.5%(CAS #29915-38-6) | ||||
| TAPS (tris(hydroxymethyl)methylamino]propanesulfonic acid) is a chemical compound commonly used to make buffer solutions.TAPS is effective to make buffer solutions in the range 7.7–9.1, since it has a pKa value of 8.44 (ionic strength I = 0, 25 °C). | ||||
| CAS NO: | 29915-38-6 | |||
| Ingredients | tris(hydroxymethyl)methylamino]propanesulfonic acid | |||
| Purity | ≥99.5% | |||
| Grade | AR/ACS | |||
| Molecular Formula | C7H17NO6S | |||
| Molecular Weight : | 243.28g/mol | |||
| Buffering Range | 7.7-9.1 | |||
| Packaging | Pkg of 1Kg/10Kg/25Kg | |||
| Storage | Room Temperature | |||
| Items | Specification | |||
| Apparence | White Crystaler | |||
| Weight | Conforms to claims | |||
| Assay (Titration by NaOH) | ≥99.5% | |||
| Infrared Spectrum Complies | Conforms to standard reference | |||
| Solubility(Color) | Colorless | |||
| Solubility(Turbidity) | Clear | |||
| UV abs@260nm | ≤0.04 | |||
| UV abs@280nm | ≤0.04 | |||
| UV abs@260nm | ≤0.05 | |||
| UV abs@290nm | ≤0.05 | |||
| 25°C | 3.5~6.5 | |||
| Water/loss on drying | ≤0.5% | |||
| Residue on ignition | ≤0.5% | |||
| Water insoluble | ≤0.03% | |||
| Sulfated Ash | ≤0.1% | |||
| Heavy Metals Pb | ≤5PPM | |||
| Iron,Fe | ≤5PPM | |||
| Calcium,Ca | ≤10PPM | |||
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