1.0 M Tris

100 mL bottle of 1.0 M Tris Optimize Reagent.
Synonyms: Trizma base or 2-Amino-2-(hydroxymethyl)-1, 3-propanediol or THAM or Tris base or Tris(hydroxymethyl)aminomethane or Trometamol
C4H11NO3
NH2C(CH2OH)3
Mr 121.14
CAS Number [77-86-1]
EC Number 201-064-4
Beilstein Registry Number 741883
Merck 14, 9772
RTECS TY2900000
MDL Number MFCD00004679
PubChem Substance ID 24889854
Purity 99.8 - 100.1%
pKa = 8.1 at 25 degrees Celsius
Useful pH range of Tris: 7.0 - 9.0
Titrate HR2-589 to the desired pH using HCl
HR2-589 Measured pH Range: 10.9 - 11.1 at 25 degrees Celsius
HR2-589 Measured Conductivity Range: 193.3 - 236.7 uS/cm at 25 degrees Celsius
HR2-589 Measured Refractive Index: 1.34991 - 1.35058 at 20 degrees Celsius
HR2-725 is titrated to pH 8.5 using HCl
HR2-725 Measured Conductivity Range: 18.1 - 22.7 mS/cm at 25 degrees Celsius
HR2-725 Measured Refractive Index: 1.35310 - 1.35369 at 20 degrees Celsius
Insoluble Matter 0.005% max
DNase None Detected
RNase None Detected
Protease None Detected
Heavy Metals 5 ppm max
As < 5 ppm max
Ca < 5 ppm max
Cu < 5 ppm max
Fe < 5 ppm max
Pb < 5 ppm max
Mg < 5 ppm max
Trizma is a registered trademark of Sigma-Aldrich Co.