H6903

HEPBS

≥99% (titration), powder, pH 7.6-9.0

• Synonym(s): PBS, phosphate buffered saline, N-(2-Hydroxyethyl)piperazine-N′-(4-butanesulfonic acid)
• Empirical Formula (Hill Notation): C₁₀H₂₂N₂O₄S
• CAS Number: 161308-36-7
• Molecular Weight: 266.36
• MDL number: MFCD00677124
• UNSPSC Code: 12161700
• NACRES: NA.25

Properties

• product name: HEPBS, ≥99% (titration)
• assay: ≥99% (titration)
• form: powder
• pH: 7.6-9.0
• useful pH range: 7.6-9.0
• pKa (25 °C): 8.3
• pKa: 8.3
• solubility: water: 0.5 g/mL, clear to slightly hazy, colorless to faintly yellow
• application(s): diagnostic assay manufacturing
• InChI: 1S/C10H22N2O4S/c13-9-8-12-6-4-11(5-7-12)3-1-2-10-17(14,15)16/h13H,1-10H2,(H,14,15,16)
• InChI key: LOJNFONOHINEFI-UHFFFAOYSA-N

Description

General description

HEPBS/N-(2-Hydroxyethyl)piperazine-N′-(4-butanesulfonic acid) is mainly used in buffer preparations.

Linkage

Homolog of HEPES and EPPS with higher pKa and similar utility in biological systems.

Safety Information

• pictograms: GHS07
• signalword: Warning
• hcodes: H315,H319,H335
• pcodes: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• target_organs: Respiratory system
• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: dust mask type N95 (US), Eyeshields, Gloves