TES

• Catalog No.: 93353
• CAS Number: 7365-44-8
• M. F.: C6H15NO6S
• M. W.: 229.2514
• Purity: ≥99.0% (calc. based on dry substance, T)

SYNONYMS

• Title: Tris 乙磺酸
• IUPAC name: 2-{[1,3-dihydroxy-2-(hydroxymethyl)propan-2-yl]amino}ethane-1-sulfonic acid
• IUPAC Traditional name: tes (buffer)
• Synonyms: TES 游离酸; N-[Tris(hydroxymethyl)methyl]-2-aminoethanesulfonic acid; 2-[(2-Hydroxy-1,1-bis(hydroxymethyl)ethyl)amino]ethanesulfonic acid; TES free acid; 2-[[三(羟甲基)甲基]氨基]乙磺酸; N-三(羟甲基)甲基-2-氨基乙烷磺酸

DATABASE IDS

• CAS Number: 7365-44-8
• Beilstein Number: 1957061
• MDL Number: MFCD00007532
• EC Number: 230-906-3

PROPERTIES

• Solubility: H2O: soluble1 M at 20 °C, clear, colorless
• pKa: 7.5 (25°C)
• pKa: 7.5 (20°C)
• Melting Point: ~225 °C (dec.)
• Personal Protective Equipment: Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
• German water hazard class: 1
• Antion Traces: chloride (Cl-): ≤2000 mg/kg
• Antion Traces: sulfate (SO42-): ≤50 mg/kg
• Cation Traces: Ca: ≤10 mg/kg
• Cation Traces: Cd: ≤5 mg/kg
• Cation Traces: Co: ≤5 mg/kg
• Cation Traces: Cr: ≤5 mg/kg
• Cation Traces: Cu: ≤5 mg/kg
• Cation Traces: Fe: ≤5 mg/kg
• Cation Traces: K: ≤200 mg/kg
• Cation Traces: Mg: ≤5 mg/kg
• Cation Traces: Mn: ≤5 mg/kg
• Cation Traces: Na: ≤200 mg/kg
• Cation Traces: Ni: ≤5 mg/kg
• Cation Traces: Pb: ≤5 mg/kg
• Cation Traces: Zn: ≤5 mg/kg
• Empirical Formula (Hill Notation): C6H15NO6S
• Ignition Residue: ≤0.2% (as SO4)
• Loss on Drying: ≤0.5% loss on drying, 110 °C
• Product Line: BioXtra
• Purity: ≥99.0% (calc. based on dry substance, T)
• Useful pH Range: 6.8 - 8.2
• Useful pH Range: 7.0 - 8.0

DETAILS

Description (English)

Other Notes
Biological buffer1

Description (简体中文)

Other Notes
生物缓冲剂1