BES

• Catalog No.: 14855
• CAS Number: 10191-18-1
• M. F.: C6H15NO5S
• M. W.: 213.252
• Purity: ≥99.0% (T)

SYNONYMS

• IUPAC name: 2-[bis(2-hydroxyethyl)amino]ethane-1-sulfonic acid
• IUPAC Traditional name: N,N-bis(2-hydroxyethyl)taurine
• Synonyms: N,N-Bis(2-hydroxyethyl)taurine; 2-(二乙醇氨基)乙磺酸; N,N-bis(2-Hydroxyethyl)-2-aminoethanesulfonic acid; N,N-双(2-羟乙基)-2-氨基乙磺酸

DATABASE IDS

• MDL Number: MFCD00007533
• Beilstein Number: 1781572
• EC Number: 233-465-5
• CAS Number: 10191-18-1

PROPERTIES

• Antion Traces: chloride (Cl-): ≤50 mg/kg
• Antion Traces: sulfate (SO42-): ≤50 mg/kg
• Cation Traces: Ca: ≤50 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: ≤50 mg/kg
• Cation Traces: Mg: ≤5 mg/kg
• Cation Traces: Mn: ≤5 mg/kg
• Cation Traces: Na: ≤50 mg/kg
• Cation Traces: Ni: ≤5 mg/kg
• Cation Traces: Pb: ≤5 mg/kg
• Cation Traces: Zn: ≤5 mg/kg
• Empirical Formula (Hill Notation): C6H15NO5S
• Ignition Residue: ≤0.1% (as SO4)
• Loss on Drying: ≤0.1% loss on drying, 110 °C
• Operating pH Range: 6.6 - 7.6
• Purity: ≥99.0% (T)
• Useful pH Range: 6.4 - 7.8
• pKa: 7.1 (25°C)
• pKa: 7.15 (20°C)
• Melting Point: 150-155 °C
• Solubility: H2O: soluble0.1 g/mL, clear, colorless
• GHS Signal Word: Warning
• GHS Hazard statements: H315-H319-H335
• European Hazard Symbols: Irritant (Xi)
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves
• GHS Precautionary statements: P261-P305 + P351 + P338
• Risk Statements: 36/37/38
• RTECS: KI7363500
• Safety Statements: 26
• German water hazard class: 3

DETAILS

Description (English)

Other Notes
Biological buffer1

Description (简体中文)

Other Notes
生物缓冲液1