TAPSO

• Catalog No.: 93357
• CAS Number: 68399-81-5
• M. F.: C7H17NO7S
• M. W.: 259.27738
• Purity: ≥99.0% (T)

SYNONYMS

• Title: 3-[N-三(羟甲基)甲胺]-2-羟基丙磺酸
• IUPAC name: 3-{[1,3-dihydroxy-2-(hydroxymethyl)propan-2-yl]amino}-2-hydroxypropane-1-sulfonic acid
• IUPAC Traditional name: tapso (buffer)
• Synonyms: 3-三羟甲基甲胺-2-羟基丙磺酸; N-[Tris(hydroxymethyl)methyl]-3-amino-2-hydroxypropanesulfonic acid; N-[三(羟甲基)甲氨基]-2-羟基丙磺酸; 2-Hydroxy-3-[tris(hydroxymethyl)methylamino]-1-propanesulfonic acid

DATABASE IDS

• CAS Number: 68399-81-5
• EC Number: 269-993-8
• MDL Number: MFCD00038352
• Beilstein Number: 2113949

PROPERTIES

• Antion Traces: chloride (Cl-): ≤100 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: ≤10 mg/kg
• Cation Traces: K: ≤50 mg/kg
• Cation Traces: Mg: ≤5 mg/kg
• Cation Traces: Mn: ≤5 mg/kg
• Cation Traces: Na: ≤100 mg/kg
• Cation Traces: Ni: ≤5 mg/kg
• Cation Traces: Pb: ≤5 mg/kg
• Cation Traces: Zn: ≤5 mg/kg
• Empirical Formula (Hill Notation): C7H17NO7S
• Ignition Residue: ≤0.1%
• Impurities: ≤1% water
• Purity: ≥99.0% (T)
• Useful pH Range: 7.0 - 8.2
• pKa: 7.6 (25°C)
• pKa: 7.55 (20°C)
• Melting Point: 224-229 °C (dec.)
• Solubility: H2O: soluble0.5 M at 20 °C, 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
• Safety Statements: 26-36
• German water hazard class: 3

DETAILS

Description (English)

Other Notes
New zwitterionic hydrogen buffer for biological research1

Description (简体中文)

Other Notes
用于生物学研究的新型两性离子含氢缓冲剂1