TAPS

• Catalog No.: 93361
• CAS Number: 29915-38-6
• M. F.: C7H17NO6S
• M. W.: 243.27798
• Purity: ≥99.5% (T)

SYNONYMS

• Title: 三羟甲基甲胺基丙磺酸
• IUPAC name: 3-{[1,3-dihydroxy-2-(hydroxymethyl)propan-2-yl]amino}propane-1-sulfonic acid
• IUPAC Traditional name: taps (buffer)
• Synonyms: N-[Tris(hydroxymethyl)methyl]-3-aminopropanesulfonic acid; [(2-Hydroxy-1,1-bis(hydroxymethyl)ethyl)amino]-1-propanesulfonic acid; [(2-羟基-1,1-二(羟甲基)乙基)氨基]-1-丙磺酸; N-[三(羟甲基)甲基]-3-氨基丙磺酸

DATABASE IDS

• Beilstein Number: 2452420
• CAS Number: 29915-38-6
• MDL Number: MFCD00007538
• PubChem SID: 24889853
• EC Number: 249-954-1

PROPERTIES

• pH: 4.5-6.5 (25 °C, 0.1 M in H2O)
• Solubility: H2O: soluble0.1 M at 20 °C, clear, colorless
• Absorption Wavelength: λ: 260 nm Amax: 0.012
• Absorption Wavelength: λ: 280 nm Amax: 0.008
• pKa: 8.4
• Flash Point: >110 °C
• Flash Point: >230 °F
• Melting Point: 230-235 °C (dec.)
• Personal Protective Equipment: Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
• German water hazard class: 3
• Antion Traces: chloride (Cl-): ≤50 mg/kg
• Antion Traces: sulfate (SO42-): ≤50 mg/kg
• Cation Traces: Al: ≤5 mg/kg
• Cation Traces: As: ≤0.1 mg/kg
• Cation Traces: Ba: ≤5 mg/kg
• Cation Traces: Bi: ≤5 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: ≤50 mg/kg
• Cation Traces: Li: ≤5 mg/kg
• Cation Traces: Mg: ≤5 mg/kg
• Cation Traces: Mn: ≤5 mg/kg
• Cation Traces: Mo: ≤5 mg/kg
• Cation Traces: Na: ≤50 mg/kg
• Cation Traces: Ni: ≤5 mg/kg
• Cation Traces: Pb: ≤5 mg/kg
• Cation Traces: Sr: ≤5 mg/kg
• Cation Traces: Zn: ≤5 mg/kg
• Empirical Formula (Hill Notation): C7H17NO6S
• Ignition Residue: ≤0.1% (as SO4)
• Impurities: insoluble matter, passes filter test
• λ: 0.1 M in H2O
• Product Line: BioUltra
• Purity: ≥99.5% (T)
• Useful pH Range: 7.7 - 9.1

DETAILS

Description (English)

Other Notes
For studies of electron transport and phosphorylation in chloroplast lamellae preparations1; Affords good protection of oxyhaemoglobin from oxidation to methaemoglobin during freeze-drying2; Background electrolyte in protein trace analysis by capillary zone electrophoresis with on-column transient isotachophoretic preconcentration3

Description (简体中文)

Other Notes
用于研究叶绿体片层制备中的电子转移和磷酸化作用1；在冷冻干燥期间为氧合血红蛋白提供充分的保护，使其免于氧化成高铁血红蛋白2；结合柱上瞬间等速电泳预富集，通过毛细管区带电泳进行的蛋白质痕量分析中的背景电解质3