free acid
Application
Use Pipes as a buffer in a variety of diagnostic tests, especially in tests for
cholesterol and triglycerides.
Benefits
■ Rely on the proven quality of this product for the manufacturig of diagnostic
tests.
CAS: 5625-37-6
Properties
Nomenclature: Piperazine-1,4-bis-2-ethane sulfonic acid
Formula: C8H18N2O6S2
Molecular weight: 302.4 D
Suggested pH range: 6.1-7.5
Specification
Appearance: Colorless crystals
Solubility: Clear, colorless solution in water (c=10 mg/ml)
pK value: 6.8±0.1
Pipes (alkalimetric): ≥98%
Pipes (from N): ≥98%
A260 (c=10 mg/ml water) : ≤0.05
Thin layer chromatography (TLC): Chromatographically homogeneous
Br (chloride meter): ≤0.5%
Identity (IR spectrum): Corresponds to reference
Stability: At +15 to +25°C within specification range for 24 months.