90278

Triethanolamine

BioUltra, ≥99.5% (GC)

• Synonym(s): 2,2′,2′′-Nitrilotriethanol, Tris(2-hydroxyethyl)amine
• Linear Formula: (HOCH₂CH₂)₃N
• CAS Number: 102-71-6
• Molecular Weight: 149.19
• UNSPSC Code: 12161700
• NACRES: NA.25
• PubChem Substance ID: 57653379
• EC Number: 203-049-8
• Beilstein/REAXYS Number: 1699263
• MDL number: MFCD00002855

Properties

• vapor density: 5.14 (vs air)
• Quality Segment: 200
• vapor pressure: 0.01 mmHg ( 20 °C)
• product line: BioUltra
• assay: ≥99.5% (GC)
• form: liquid, viscous liquid
• autoignition temp.: 600 °F
• expl. lim.: 8.5 %
• impurities: insoluble matter, passes filter test, ≤0.1% ethanolamine (GC), ≤0.2% water, ≤0.3% diethanolamine (GC)
• ign. residue: ≤0.1% (as SO₄)
• refractive index: n20/D 1.485
• pH: 10.5-11.5 (25 °C, 1 M in H₂O)
• useful pH range: 7.3-8.3
• pKa (25 °C): 7.8
• bp: 190-193 °C/5 mmHg (lit.)
• mp: 17.9-21 °C (lit.)
• solubility: H₂O: 1 M at 20 °C, clear, colorless
• density: 1.124 g/mL at 25 °C (lit.)
• anion traces: chloride (Cl^-): ≤1 mg/kg, sulfate (SO₄^2-): ≤20 mg/kg
• SMILES string: OCCN(CCO)CCO
• cation traces: Al: ≤2 mg/kg, As: ≤0.1 mg/kg, Ba: ≤1 mg/kg, Bi: ≤2 mg/kg, Ca: ≤5 mg/kg, Cd: ≤1 mg/kg, Co: ≤1 mg/kg, Cr: ≤1 mg/kg, Cu: ≤1 mg/kg, Fe: ≤1 mg/kg, K: ≤20 mg/kg, Li: ≤1 mg/kg, Mg: ≤1 mg/kg, Mn: ≤1 mg/kg, Mo: ≤1 mg/kg, Na: ≤20 mg/kg, Ni: ≤1 mg/kg, Pb: ≤1 mg/kg, Sr: ≤1 mg/kg, Zn: ≤1 mg/kg
• absorption: cut-off at 270 nm in H₂O at 1 M
• λ: 1 M in H₂O
• UV absorption: λ: 280 nm A_max: 0.1
• InChI: 1S/C6H15NO3/c8-4-1-7(2-5-9)3-6-10/h8-10H,1-6H2
• InChI key: GSEJCLTVZPLZKY-UHFFFAOYSA-N

Description

Application

Triethanolamine (TEA), an emulsifier, surfactant and capping agent, may be used to study its toxicity profile and mechanisms. TEA may be used in various drug delivery constructs to improve drug solubility. TEA may be used to cap CdTe nanoparticles.

Other Notes

Buffer in recommended method for alanine amionopeptidase in urine.

Safety Information

• Storage Class: 10 - Combustible liquids
• wgk: WGK 1
• flash_point_f: 354.2 °F - closed cup
• flash_point_c: 179 °C - closed cup
• ppe: Eyeshields, Gloves, type ABEK (EN14387) respirator filter