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H7523 Sigma

HEPES

BioXtra, pH 5.0-6.5 (1 M in H2O), ≥99.5% (titration)

Synonym: 4-(2-Hydroxyethyl)piperazine-1-ethanesulfonic acid, N-(2-Hydroxyethyl)piperazine-N′-(2-ethanesulfonic acid)

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Properties

Related Categories BioXtra Buffers, Biochemicals and Reagents, Biological Buffers, Buffers A to Z, Good’s Buffers More...
InChI Key   JKMHFZQWWAIEOD-UHFFFAOYSA-N
Quality Level   ELITE
product line   BioXtra
assay   ≥99.5% (titration)
impurities   Insoluble matter, passes filter test
ign. residue (900°C)   ≤0.1% (as SO4)
loss   ≤1.0% loss on drying, 110°C
pH   5.0-6.5 (1 M in H2O)
useful pH range   6.8 - 8.2
pKa (25 °C)   7.5
solubility   H2O: soluble1 M, clear, colorless
anion traces   chloride (Cl-): ≤0.05%
cation traces   Al: ≤0.0005%
  As: ≤0.0001%
  Ba: ≤0.0005%
  Bi: ≤0.0005%
  Ca: ≤0.001%
  Cd: ≤0.0005%
  Co: ≤0.0005%
  Cr: ≤0.0005%
  Cu: ≤0.0005%
  Fe: ≤0.0005%
  K: ≤0.005%
  Li: ≤0.0005%
  Mg: ≤0.0005%
  Mn: ≤0.0005%
  Mo: ≤0.0005%
  Na: ≤0.005%
  Ni: ≤0.0005%
  Pb: ≤0.0005%
  Sr: ≤0.0005%
  Zn: ≤0.0005%
absorption   A1M/260, H2O ≤0.045
  A1M/280, H2O ≤0.035
Featured Industry   Diagnostic Assay Manufacturing

Description

Other Notes

Easily compare specifications for HEPES products with the HEPES specification table.

Packaging

50, 250 g in poly bottle

Price and Availability

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
1
RTECS 
TL6809000
Protocols & Articles

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