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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: soluble0.1 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

Same product — same quality — now Sigma-Aldrich brand

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.



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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