Synonyms: 1,4-Piperazinediethanesulfonic acid; Piperazine-1,4-bis(2-ethanesulfonic acid); Piperazine-N,N′-bis(2-ethanesulfonic acid)
Formula: C8H18N2O6S2
Formula Weight: 302.37
CAS No.: 5625-37-6
Purity: ≥99% (titration)
Abs.: A0.5M/260, 1 M NaOH ≤0.1
Anion Traces: chloride (Cl-): ≤0.2%
Assay: ≥99% (titration)
Cation Traces: Bi: ≤0.0005%
Ign. Residue (900°C): ≤0.5% (as SO4)
Impurities: Insoluble matter, passes filter test
Loss: ≤0.5% loss on drying, 110°C
MP: >300°C(lit.)
pKa (25°C): 6.8
Product Line: BioXtra
Quality Level: ELITE
Solubility: 1 M NaOH: soluble0.5 M at 20°C, clear, colorless
Useful pH Range: 6.1 - 7.5