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T0432 Sigma

TAPSO

BioXtra, ≥99% (titration)

Synonym: 2-Hydroxy-3-[tris(hydroxymethyl)methylamino]-1-propanesulfonic acid, N-[Tris(hydroxymethyl)methyl]-3-amino-2-hydroxypropanesulfonic acid

  • CAS Number 68399-81-5

  • Empirical Formula (Hill Notation) C7H17NO7S

  • Molecular Weight 259.28

  •  Beilstein Registry Number 2113949

  •  EC Number 269-993-8

  •  PubChem Substance ID 24899888

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Properties

Related Categories BioXtra Buffers, Biochemicals and Reagents, Biological Buffers, Buffers A to Z, Good’s Buffers More...
product line   BioXtra
assay   ≥99% (titration)
impurities   ≤0.0005% Phosphorus (P)
  ≤0.1% Insoluble matter
ign. residue   ≤0.1%
useful pH range   7.0 - 8.2
pKa (25 °C)   7.6
solubility   H2O: soluble1 M at 20 °C, clear, colorless
anion traces   chloride (Cl-): ≤0.05%
  sulfate (SO42-): ≤0.05%
cation traces   Al: ≤0.0005%
  Ca: ≤0.0005%
  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 ≤0.1
  A1M/280, H2O ≤0.05

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Interactive Buffer Table
Safety & Documentation

Safety Information

Symbol 
GHS07  GHS07
Signal word 
Warning
Hazard statements 
Precautionary statements 
Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
3

Documents

Certificate of Analysis

Protocols & Articles

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