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CAS RN: 6850-28-8 | Product Number: T3294

Tris(hydroxymethyl)aminomethane Acetate

Purity: >99.0%(T)
  • 2-Amino-2-(hydroxymethyl)-1,3-propanediol Acetate
  • Trimethylolaminomethane Acetate
  • Tris Acetate
7   1   16  
2   1   6  

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Product Number T3294
Purity / Analysis Method >99.0%(T)
Molecular Formula / Molecular Weight C__4H__1__1NO__3·C__2H__4O__2 = 181.19  
Physical State (20 deg.C) Solid
CAS RN 6850-28-8
Reaxys Registry Number 3702918
PubChem Substance ID 253661155
MDL Number


Appearance White to Almost white powder to crystal
Purity(Nonaqueous Titration) min. 99.0 %
Purity(Neutralization titration) min. 99.0 %
Melting point 118.0 to 122.0 °C
Absorbance max. 0.500(290 nm, 50%H2O)
Properties (reference)
Melting Point 120 °C
Solubility in water Soluble
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Tris Acetate: A Reagent for the Preparation of TAE (Tris Acetate - EDTA) Buffer

Tris(hydroxymethyl)aminomethane acetate (tris acetate) is widely used as a component of buffer solutions, especially for solutions of nucleic acids. Tris acetate is used for the preparation of TAE (Tris acetate - EDTA) buffer, which is used as a running buffer and in agarose gels. TAE buffer is often used for DNA and RNA agarose gel electrophoresis.


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