Tris

(Tris(hydroxymethyl) aminomethane; Tromethamine)

Purity > 99.9 %

Moisture:                    <0.2%
Color:                        <20 APHA (colorless)
Heavy Metals (as Pb):  <0.0001%
Insoluble Matter:         <0.005%
Heavy metals:             5 ppm
pKa:                          (20°C) 8.1 ±0.1
Soluble in:                  Water
Store at:                     Room Temperature

Tris has an effective pH range from 7-9 making it an ideal buffer in many biochemical experiments.  This product exceeds the reported purity found in many protein crystallization screens.

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