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80621 Sigma-Aldrich

Piperazine

BioUltra, anhydrous, ≥99.0% (T)

Synonym: 1,4-Diazacyclohexane, Diethylenediamine

  • CAS Number 110-85-0

  • Empirical Formula (Hill Notation) C4H10N2

  • Molecular Weight 86.14

  •  Beilstein Registry Number 102555

  •  EC Number 203-808-3

  •  MDL number MFCD00005953

  •  PubChem Substance ID 329769002

  •  eCl@ss 39160301

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Properties

Related Categories Alphabetical, BioUltra Buffers, Biochemicals and Reagents, Biological Buffers
vapor pressure   0.8 mmHg ( 20 °C)
InChI Key   GLUUGHFHXGJENI-UHFFFAOYSA-N
product line   BioUltra
assay   ≥99.0% (T)
expl. lim.   14 %
impurities   insoluble matter, passes filter test
  ≤1% water
pH   11.0-12.5 (25 °C, 0.1 M in H2O)
bp   145-146 °C(lit.)
mp   109-112 °C(lit.)
solubility   H2O: soluble0.1 M at 20 °C, clear, colorless
anion traces   chloride (Cl-): ≤50 mg/kg
  sulfate (SO42-): ≤50 mg/kg
cation traces   Al: ≤5 mg/kg
  As: ≤0.1 mg/kg
  Ba: ≤5 mg/kg
  Bi: ≤5 mg/kg
  Ca: ≤10 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
  Li: ≤5 mg/kg
  Mg: ≤5 mg/kg
  Mn: ≤5 mg/kg
  Mo: ≤5 mg/kg
  Na: ≤50 mg/kg
  Ni: ≤5 mg/kg
  Pb: ≤5 mg/kg
  Sr: ≤5 mg/kg
  Zn: ≤5 mg/kg
λ   0.1 M in H2O
UV absorption   λ: 260 nm Amax: 0.035
  λ: 280 nm Amax: 0.010

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Laboratory Gloves

Interactive Buffer Table
Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
Precautionary statements 
RIDADR 
UN 2579 8 / PGIII
WGK Germany 
1
RTECS 
TK7800000
Flash Point(F) 
228.2 °F
Flash Point(C) 
109 °C
Protocols & Articles

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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

Peer-Reviewed Papers
15

References

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