Triethanolamine
SIGMA/90278 - BioUltra, ≥99.5% (GC)
Synonym: 2,2′,2′′-Nitrilotriethanol; Tris(2-
CAS Number: 102-71-6
Empirical Formula (Hill Notation): C6H15NO3
Molecular Weight: 149.19
EC Number: 203-049-8
MDL Number: MFCD00002855
Linear Formula: (HOCH2CH2)3N
Product Type: Chemical
| λ | 1 M in H2O |
| absorption | cut-off at 270 nm in H2O at 1 M |
| anion traces | chloride (Cl-): ≤1 mg/kg |
| sulfate (SO42-): ≤20 mg/kg | |
| assay | ≥99.5% (GC) |
| autoignition temp. | 600 °F |
| bp | 190-193 °C/5 mmHg (lit.) |
| 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 | |
| density | 1.124 g/mL at 25 °C (lit.) |
| expl. lim. | 8.5 % |
| form | liquid |
| viscous liquid | |
| ign. residue | ≤0.1% (as SO4) |
| impurities | insoluble matter, passes filter test |
| ≤0.1% ethanolamine (GC) | |
| ≤0.2% water | |
| ≤0.3% diethanolamine (GC) | |
| InChI | 1S/C6H15NO3/c8-4-1-7(2-5- |
| InChI key | GSEJCLTVZPLZKY-UHFFFAOYSA |
| mp | 17.9-21 °C (lit.) |
| pH | 10.5-11.5 (25 °C, 1 M in H2O) |
| pKa (25 °C) | 7.8 |
| product line | BioUltra |
| Quality Level | 200  |
| refractive index | n |
| n |
|
| SMILES string | OCCN(CCO)CCO |
| solubility | H2O: 1 M at 20 °C, clear, colorless |
| useful pH range | 7.3-8.3 |
| UV absorption | λ: 280 nm Amax: 0.1 |
| vapor density | 5.14 (vs air) |
| vapor pressure | 0.01 mmHg ( 20 °C) |
| 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. |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 1 |
| Flash Point(F) | 354.2 °F - closed cup |
| Flash Point(C) | 179 °C - closed cup |
| Purity | ≥99.5% (GC) |
| bp | 190-193 °C/5 mmHg (lit.) |
| mp | 17.9-21 °C (lit.) |
| Density | 1.124 g/mL at 25 °C (lit.) |
| Refractive Index | n |
| UNSPSC | 12161700 |