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14855 Sigma-Aldrich

BES

≥99.0% (T)

Synonym: N,N-Bis(2-hydroxyethyl)-2-aminoethanesulfonic acid, N,N-Bis(2-hydroxyethyl)taurine

  • CAS Number 10191-18-1

  • Empirical Formula (Hill Notation) C6H15NO5S

  • Molecular Weight 213.25

  •  Beilstein Registry Number 1781572

  •  EC Number 233-465-5

  •  MDL number MFCD00007533

  •  PubChem Substance ID 329750643

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Properties

InChI Key   AJTVSSFTXWNIRG-UHFFFAOYSA-N
assay   ≥99.0% (T)
ign. residue   ≤0.1% (as SO4)
loss   ≤0.1% loss on drying, 110 °C
useful pH range   6.4 - 7.8
operating pH range   6.6 - 7.6
pKa (25 °C)   7.1
pKa (20 °C)   7.15
mp   150-155 °C
solubility   H2O: 0.1 g/mL clear, colorless
anion traces   chloride (Cl-): ≤50 mg/kg
  sulfate (SO42-): ≤50 mg/kg
cation traces   Ca: ≤50 mg/kg
  Cd: ≤5 mg/kg
  Co: ≤5 mg/kg
  Cr: ≤5 mg/kg
  Cu: ≤5 mg/kg
  Fe: ≤5 mg/kg
  K: ≤50 mg/kg
  Mg: ≤5 mg/kg
  Mn: ≤5 mg/kg
  Na: ≤50 mg/kg
  Ni: ≤5 mg/kg
  Pb: ≤5 mg/kg
  Zn: ≤5 mg/kg

Description

Other Notes

Biological buffer

Price and Availability


Laboratory Gloves
Safety & Documentation

Safety Information

Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
3
RTECS 
KI7363500

Documents

Certificate of Analysis

Protocols & Articles
Peer-Reviewed Papers
15

References

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