1.0 M BIS-TRIS pH 6.5 - 100 ml

- Sterile filtered
- Formulated in Type 1+ ultrapure water: 18.2 megaohm-cm resistivity at 25°C, < 5 ppb Total Organic Carbon, bacteria free (<1 Bacteria (CFU/ml)), pyrogen free (<0.03 Endotoxin (EU/ml)), RNase-free (< 0.01 ng/mL) and DNase-free (< 4 pg/µL)

BIS-TRIS

Synonyms: 2,2-Bis(hydroxymethyl)-2,2′,2""-nitrilotriethanol, or 2-Bis(2-hydroxyethyl)amino-2-(hydroxymethyl)-1,3-propanediol, or Bis(2-hydroxyethyl)amino-tris(hydroxymethyl)methane.
C8H19NO5
Mr 209.24
CAS Number [6976-37-0]
EC Number 230-237-7
Beilstein Registry Number 2205275
MDL Number MFCD00002853
Purity ≥ 98.0%
pKa = 6.4 at 20°C
pKa = 6.5 at 25°C

HR2-781 is titrated to pH 5.5 using HCl
Measured Conductivity Range of HR2-781: 38.4 - 43.1 mS/cm at 25°C
Measured Refractive Index of HR2-781: 1.37062 - 1.37150 at 20°C

HR2-783 is titrated to pH 6.5 using HCl
Measured Conductivity Range of HR2-783: 22.8 - 28.7 mS/cm at 25°C
Measured Refractive Index of HR2-783: 1.36815 - 1.36926 at 20°C

Insoluble Matter ≤0.1%
Al ≤0.0005%
Ca ≤0.0005%
Cl ≤0.05%
Cu ≤0.0005%
Fe ≤0.0005%
K ≤0.005%
Mg ≤0.0005%
NH4 ≤0.05%
Na ≤0.005%
P ≤0.005%
Pb ≤0.001%
SO4 ≤0.05%
Zn ≤0.0005%


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