PIPES

• Catalog No.: P8203
• CAS Number: 5625-37-6
• M. F.: C8H18N2O6S2
• M. W.: 302.36832
• Purity: ≥99% (titration)

SYNONYMS

• IUPAC name: 2-[4-(2-sulfoethyl)piperazin-1-yl]ethane-1-sulfonic acid
• IUPAC Traditional name: pipes
• Synonyms: 哌嗪-1,4-双(2-乙磺酸); 哌嗪-N,N′-双(2-乙磺酸); 1,4-哌嗪二乙磺酸

DATABASE IDS

• CAS Number: 5625-37-6
• MDL Number: MFCD00006159
• EC Number: 227-057-6
• Beilstein Number: 817713
• PubChem SID: 24898917

PROPERTIES

• pH Range: 6.1 - 7.5
• Purity: ≥99% (titration)
• Quality Level: ELITE
• Antion Traces: chloride (Cl-): ≤0.2%
• Cation Traces: Al: ≤0.005%
• Cation Traces: Ba: ≤0.0005%
• Cation Traces: Bi: ≤0.0005%
• Cation Traces: Ca: ≤0.005%
• Cation Traces: Cd: ≤0.0005%
• Cation Traces: Co: ≤0.0005%
• Cation Traces: Cr: ≤0.0005%
• Cation Traces: Cu: ≤0.0005%
• Cation Traces: Fe: ≤0.0005%
• Cation Traces: K: ≤0.005%
• Cation Traces: Li: ≤0.0005%
• Cation Traces: Mg: ≤0.0005%
• Cation Traces: Mn: ≤0.0005%
• Cation Traces: Mo: ≤0.0005%
• Cation Traces: Na: ≤0.1%
• Cation Traces: Ni: ≤0.0005%
• Cation Traces: Pb: ≤0.0005%
• Cation Traces: Sr: ≤0.0005%
• Cation Traces: Zn: ≤0.0005%
• Ignition Residue: ≤0.5% (as SO4)
• Impurities: Insoluble matter, passes filter test
• Loss on Drying: ≤0.5% loss on drying, 110°C
• Absorption Wavelength: A0.5M/260, 1 M NaOH ≤0.1
• Absorption Wavelength: A0.5M/280, 1 M NaOH ≤0.1
• pKa: 6.8
• Melting Point: >300 °C(lit.)
• Solubility: 1 M NaOH: soluble0.5 M at 20 °C, clear, colorless
• Personal Protective Equipment: Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
• German water hazard class: 3