HEPES

• Catalog No.: H7523
• CAS Number: 7365-45-9
• M. F.: C8H18N2O4S
• M. W.: 238.30452
• Purity: ≥99.5% (titration)

SYNONYMS

• IUPAC name: 2-[4-(2-hydroxyethyl)piperazin-1-yl]ethane-1-sulfonic acid
• IUPAC Traditional name: hepes
• Synonyms: 4-(2-羟乙基)哌嗪-1-乙磺酸; N-(2-羟乙基)哌嗪-N′-(2-乙磺酸)

DATABASE IDS

• PubChem SID: 24895796
• CAS Number: 7365-45-9
• Beilstein Number: 883043
• EC Number: 230-907-9
• MDL Number: MFCD00006158

PROPERTIES

• Antion Traces: chloride (Cl-): ≤0.05%
• Cation Traces: Zn: ≤0.0005%
• Cation Traces: Zn: ≤0.0005%
• Cation Traces: Zn: ≤0.0005%
• Cation Traces: Zn: ≤0.0005%
• Cation Traces: Zn: ≤0.0005%
• Cation Traces: Zn: ≤0.0005%
• Cation Traces: Zn: ≤0.0005%
• Cation Traces: Zn: ≤0.0005%
• Cation Traces: Zn: ≤0.0005%
• Cation Traces: Zn: ≤0.0005%
• Cation Traces: Zn: ≤0.0005%
• Cation Traces: Zn: ≤0.0005%
• Cation Traces: Zn: ≤0.0005%
• Cation Traces: Zn: ≤0.0005%
• Cation Traces: Zn: ≤0.0005%
• Cation Traces: Zn: ≤0.0005%
• Cation Traces: Zn: ≤0.0005%
• Cation Traces: Zn: ≤0.0005%
• Cation Traces: Zn: ≤0.0005%
• Cation Traces: Zn: ≤0.0005%
• Ignition Residue: ≤0.1% (as SO4)
• Impurities: Insoluble matter, passes filter test
• Loss on Drying: ≤1.0% loss on drying, 110°C
• pH Range: 6.8 - 8.2
• Purity: ≥99.5% (titration)
• Quality Level: ELITE
• Absorption Wavelength: A1M/280, H2O ≤0.035
• Absorption Wavelength: A1M/280, H2O ≤0.035
• pKa: 7.5
• pH: 5.0-6.5 (1 M in H2O)
• Solubility: H2O: soluble1 M, clear, colorless
• Personal Protective Equipment: Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
• RTECS: TL6809000
• German water hazard class: 1

DETAILS

Description (简体中文)

Other Notes
使用 HEPES 规格表可以非常方便地比较 HEPES 产品的规格。