(Bis-Tris buffer; 2,2-Bis(hydroxymethyl)-2,2',2"-nitrilotriethanol; 2-Bis[2-hydroxyethyl]amino-2-[hydroxymethyl]1,3-propanediol)
Purity > 99.0 %
CAS Number: | 6976-37-0 |
Chemical Formula: | C8H19NO5 |
Molecular Weight: | 209 g/mol |
Soluble in: Water
Store Room temperature
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Properties | Specifications | Result |
Appearance | White Powder | Pass |
Solubility (1M in H2O) | Clear and Complete | Pass |
Identification | IR matches reference | Pass |
ABS @280nm, 1M H2O | 0.40 max | <0.40 |
Melting Point | 102.0 to 106 °C | 103.0 °C |
Residue on Ignition | 0.1% max | 0.0% |
pH, 1M Soln. @ 25 °C | 9.5-11.0 | 9.7 |
pKa @ 20 °C | 6.35 to 6.65 | 6.6 |
Heavy Metals (as Pb) | 0.0005% max | <0.0005% |
Chloride | 0.005% | <0.005% |
Iron | 0.0005% max | <0.0005% |
Assay, by Titn. Dried Basis | 99.0% min | 99.90% |
Please contact for current lot details.
Acros Organics | 16382-1000 |
Acros Organics | 16887-1000 |
Acros Organics | 32772-1000 |
Acros Organics | 32772-0250 |
Alfa Aesar | B22515-14 |
Alfa Aesar | B22515-36 |
Alfa Aesar | B22515-22 |
Amresco | 0715-250G |
Amresco | 0715-100G |
Amresco | 0715-500G |
EMD Millipore | 2670-5KG |
EMD Millipore | 2650-100GM |
EMD Millipore | 391335-100GM |
EMD Millipore | 391335-1KG |
TCI America | B1493-25G |
TCI America | B1493-250G |
Fisher Scientific | 16100 |