(Molecular Biology Grade)
Synonym | 2-Amino-2-Hydroxymethyl-1,3-Propanodiol Hydrochloride, Tris-(Hydroxymethyl)-Aminomethane Hydrochloride, Tromethamine Hydrochlorid |
State of matter | Solid |
pKa (20°C) | 8.3 |
Melting point | 148 – 150°C (dec.) |
Formula | C4H11NO3 · HCl |
Mass | 157.60 g/mol |
CAS-No.: | 1185-53-1 |
EC-No.: | 214-684-5 |
Storage: | RT |
LGK: | 10 – 13 |
Disposal: | 3 |
WGK: | 1 |
Specification: | |
DNases/RNases/Proteases | not detectable |
Assay (titr.) | min. 99 % |
pH (0.5 M; H2O) | 3.5 – 5.0 (25°C) |
Water | max. 0.5 % |
As | max. 0.0001 % |
Ba | max. 0.0001 % |
Cd | max. 0.0001 % |
Cu | max. 0.0001 % |
Fe | max. 0.0001 % |
Mn | max. 0.0001 % |
Pb | max. 0.0001 % |
Zn | max. 0.0002 % |
A (1 cm/1 M in H2O): | |
260 nm | max. 0.06 |
280 nm | max. 0.05 |
Product | Description |
CE9234 | Tris – Hydrochloride 250 g |
CE9235 | Tris – Hydrochloride 500 g |
CE9236 | Tris – Hydrochloride 1000 g |
Stability Test Report
Material Safety Datasheet