2-amino-2-(hydroxymethyl)propane-1,3-diol; acetic acid

• ChemBase ID: 133315
• Molecular Formular: C6H15NO5
• Molecular Mass: 181.187
• Monoisotopic Mass: 181.09502259
• SMILES: CC(=O)O.C(C(CO)(CO)N)O
• Canonical SMILES: CC(=O)O.OCC(CO)(CO)N
• InChI: InChI=1S/C4H11NO3.C2H4O2/c5-4(1-6,2-7)3-8;1-2(3)4/h6-8H,1-3,5H2;1H3,(H,3,4)
• InChIKey: PIEPQKCYPFFYMG-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: 2-amino-2-(hydroxymethyl)propane-1,3-diol; acetic acid
• IUPAC Traditional name: acetic acid; tris buffer
• Synonyms: Trizma® acetate; TRIS acetate salt; Tris(hydroxymethyl)aminomethane acetate salt; TRIS 乙酸盐; 三(羟甲基)氨基甲烷 乙酸盐; Trizma® 乙酸盐

Database IDs

• CAS Number: 6850-28-8
• EC Number: 229-939-6
• MDL Number: MFCD00038951
• Beilstein Number: 3702918
• PubChem SID: 24899948; 162227592; 24889846
• PubChem CID: 16218782

CALCULATED PROPERTIES

• Acid pKa: 14.164156
• H Acceptors: 4
• H Donor: 4
• LogD (pH = 5.5): -5.6058097
• LogD (pH = 7.4): -4.264039
• Log P: -2.712229
• Molar Refractivity: 28.3555 cm^3
• Polarizability: 11.566923 Å^3
• Polar Surface Area: 86.71 Å^2
• Rotatable Bonds: 3
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Solubility: H2O: soluble0.5 M at 20 °C, clear, colorless
• Melting Point: 120-121 °C
• Absorption Wavelength: λ: 260 nm Amax: 0.06; λ: 280 nm Amax: 0.05
• pH: 6.0-7.0 (25 °C, 0.5 M in H2O)

Safety Information

• German water hazard class: 3
• Personal Protective Equipment: Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter

Product Information

• Purity: ≥99.0% (NT); ≥99.0% (titration)
• Ignition Residue: ≤0.1% (as SO4); ≤0.2%
• Impurities: insoluble matter, passes filter test
• Cation Traces: Al: ≤5 mg/kg; As: ≤0.1 mg/kg; Ba: ≤5 mg/kg; Bi: ≤5 mg/kg; Ca: ≤10 mg/kg; Cd: ≤5 mg/kg; Co: ≤5 mg/kg; Cr: ≤5 mg/kg; Cu: ≤5 mg/kg; Fe: ≤5 mg/kg; K: ≤50 mg/kg; Li: ≤5 mg/kg; Mg: ≤5 mg/kg; Mn: ≤5 mg/kg; Mo: ≤5 mg/kg; Na: ≤50 mg/kg; Ni: ≤5 mg/kg; Pb: ≤5 mg/kg; Sr: ≤5 mg/kg; Zn: ≤5 mg/kg
• Antion Traces: chloride (Cl-): ≤50 mg/kg; sulfate (SO42-): ≤50 mg/kg
• Loss on Drying: ≤0.2% loss on drying, 20 °C (HV)
• λ: 0.5 M in H2O
• Product Line: BioUltra
• Linear Formula: NH2C(CH2OH)3 · CH3COOH

DETAILS

Sigma Aldrich - T1258

法律信息
Trizma 注册商标 Sigma-Aldrich Co. LLC

Sigma Aldrich - 93337

Other Notes
Recommended buffer for maximum sensitivity of ATP assays with firefly luciferase1; Assay of glutamate binding2
Legal Information
Trizma is a registered trademark of Sigma-Aldrich Co. LLC

Sigma Aldrich - 93339

Legal Information
Trizma is a registered trademark of Sigma-Aldrich Co. LLC