TRIS hydrochloride Buffer

Synonyms: TRIS HCl or Trizma hydrochloride or Tris(hydroxymethyl)aminomethane hydrochloride
NH₂C(CH₂OH)₃ • HCl
C₄H₁₁NO₃ • HCl
M_r 157.60
[1185-53-1]
EC Number 214-684-5
Beilstein Registry Number 3675235
MDL Number MFCD00012590
PubChem Substance ID 24900398
Purity ≥ 99.0%

Titrate HR2-579 to the desired pH using NaOH
HR2-579 Measured pH Range: 3.9 - 4.0 at 25°C
HR2-579 Measured Conductivity Range: 52.3 - 53.7 mS/cm at 25°C
HR2-579 Measured Refractive Index Range: 1.35840 - 1.35891 at 20°C

HR2-727 has been titrated to pH 8.5 using NaOH
HR2-727 Measured Conductivity Range: 59.8 - 61.7 mS at 25°C
HR2-727 Measured Refractive Index Range: 1.35938 - 1.36019 at 20°C

Use StockOptions Tris Hydrochloride kit (HR2-237) for a set of 21 Tris hydrochloride reagents titrated to pH 7.0 to 9.0 in 0.1 pH increments.

Al  ≤0.0005%
As ≤0.0001%
Ba ≤0.0005%
Bi  ≤0.0005%
Ca ≤0.001%
Cd ≤0.0005%
Co ≤0.0005%
Cr  ≤0.0005%
Cu ≤0.0005%
Fe  ≤0.0005%
K   ≤0.005%
Li   ≤0.0005%
Mg ≤0.0005%
Mn ≤0.0005%
Mo ≤0.0005%
Na ≤0.005%
Ni  ≤0.0005%
Pb  ≤0.0005%
SO₄ ≤0.005%
Sr  ≤0.0005%
Zn  ≤0.0005%