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T6791 Sigma

Trizma® base

BioXtra, pH 10.5-12.0 (1 M in H2O), ≥99.9% (titration)

Synonym: 2-Amino-2-(hydroxymethyl)-1,3-propanediol, THAM, Tris base, Tris(hydroxymethyl)aminomethane, Trometamol

Properties

Related Categories BioXtra Buffers, Biochemicals and Reagents, Biological Buffers, Buffers A to Z, Good’s Buffers More...
Quality Level   ELITE
description   aminopeptidase substrate
product line   BioXtra
assay   ≥99.9% (titration)
impurities   ≤0.005% Insoluble matter
ign. residue (900°C)   ≤0.01% (as SO4)
loss   ≤0.5% loss on drying, 110°C
pH   10.5-12.0 (1 M in H2O)
useful pH range   7 - 9
pKa (25 °C)   8.1
bp   219-220 °C/10 mmHg(lit.)
mp   167-172 °C(lit.)
solubility   H2O: soluble1 M, colorless
anion traces   chloride (Cl-): ≤0.005%
  sulfate (SO42-): ≤0.005%
cation traces   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%
  Sr: ≤0.0005%
  Zn: ≤0.0005%
absorption   A1M/260, H2O ≤0.025
  A1M/280, H2O ≤0.020
Featured Industry   Diagnostic Assay Manufacturing

Description

Other Notes

Easily compare specifications for Trizma products with the Trizma specification table.

The pH values of all buffers are temperature- and concentration-dependent. For Tris buffers, pH increases about 0.03 unit per °C decrease in temperature, and decreases 0.03-0.05 unit per ten-fold dilution.
For precise applications, use a carefully calibrated pH meter with a glass/calomel combination electrode.

Legal Information

Trizma is a registered trademark of Sigma-Aldrich Co. LLC

Price and Availability

Suggested Laboratory Gloves


Laboratory GlovesThis substance has been tested against several types of hand protection for CE compliance. Click below to find the recommended gloves for handling this product.




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