EMAIL THIS PAGE TO A FRIEND
T9659 Sigma

TAPS

BioXtra, ≥99.5% (titration)

Synonym: N-[Tris(hydroxymethyl)methyl]-3-aminopropanesulfonic acid, [(2-Hydroxy-1,1-bis(hydroxymethyl)ethyl)amino]-1-propanesulfonic acid

Purchase

Properties

Related Categories BioXtra Buffers, Biochemicals and Reagents, Biological Buffers, Buffers A to Z, Good’s Buffers More...
InChI Key   YNLCVAQJIKOXER-UHFFFAOYSA-N
Quality Level   ELITE
product line   BioXtra
assay   ≥99.5% (titration)
impurities   ≤0.005% Phosphorus (P)
  ≤0.1% Insoluble matter
ign. residue   ≤0.1%
useful pH range   7.7 - 9.1
pKa    8.4
mp   230-235 °C (dec.)
solubility   H2O: soluble1 M, clear, colorless
anion traces   chloride (Cl-): ≤0.05%
cation traces   Al: ≤0.0005%
  Ca: ≤0.001%
  Cu: ≤0.0005%
  Fe: ≤0.0005%
  K: ≤0.005%
  Mg: ≤0.0005%
  NH4+: ≤0.05%
  Na: ≤0.005%
  Pb: ≤0.001%
  Zn: ≤0.0005%
absorption   A1M/260, H2O ≤0.05
  A1M/280, H2O ≤0.05
Featured Industry   Diagnostic Assay Manufacturing

Description

Packaging

1 kg in poly bottle

100, 250 g in poly bottle

Price and Availability

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
3
Flash Point(F) 
>230 °F
Flash Point(C) 
>110 °C
Protocols & Articles

Related Content

BioUltra Biological Buffers

A buffer, as defined by Van Slyke [1], is "a substance which by its presence in solution increases the amount of acid or alkali that must be added to cause unit change in pH". Buffers are thus very i...
Keywords: Absorption, Adsorption, Biochemistry, Biological Buffers, Biological processes, Buffers, PAGE

Buffer Reference Center

Citric Acid – Na2HPO4 Buffer Solutions, pH approx. 2.6–7.61 Citric acid monohydrate, C6H8O7 • H2O, M. wt. 210.14; 0.1M-solution contains 21.01 g/l. Na2HPO4, M. wt. 141.98; 0.2M-solution contains 28.4...
Keywords: Biological Buffers, Buffers

Peer-Reviewed Papers
15

References

Set your institution to view full text papers.
Related Products

Technical Service:

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Bulk Ordering & Pricing:

Need larger quantities for your development, manufacturing or research applications?