Triethylenetetramine (TETA)
N’-[2-(2-aminoethylamino)ethyl]ethane-1,2-diamine
Triethylenetetramine (TETA) is a colorless to light-yellow liquid containing linear, branched and cyclic molecules. TETA is mainly used in the manufacture of fuel oil additives, lubricating oil additives and epoxy curing agents. It is also used in the production of asphalt additives.
Basic Information
| CAS number | 90640‐67‐8, 112-24-3 (L-TETA) |
| EINECS/ELINCS No. | 203-950-6 (L-TETA) |
| Molecular weight | 146.24 (L-TETA) |
| Molecular formula | C6H18N4 (L-TETA) |
Specifications
| Appearance (MOA 200) | Clear liquid |
| Assay, tetramines (MOA 511) | ≥ 96.0 Area% |
| Color (MOA 201) | ≤ 50 Hazen |
| Water (MOA 305) | ≤ 0.5 wt% |
Characteristics
| Form | Viscous liquid |
| Color | Light yellow |
| Odor | Ammonical |
| Explosive properties | No |
| Flammability, liquids | Not classified as a flammability hazard |
| Oxidizing properties | No |
| Water solubility | Soluble |
| Solubility in other solvents | Acetone;Methanol |
| pH, 100% solution | 13 |
| Melting point/freezing point, 1013 hPa | < -20 °C |
| Boiling point/boiling range, 1013 hPa | 274.6 °C |
| Flash point, 1013 hPa, closed cup | 118 °C |
| Vapor pressure, 20°C | 0.0035 hPa |
| Relative vapor density, air = 1.0 | 5.04 |
| Density, 25°C | 971 kg/m³ |
| Relative density, 25°C | 0.971 |
| Partition coefficient, N-octanol/water, 20°C, log Pow | -2.65 |
| Dynamic viscosity, 40°C | 13.9-20 mPa.s |
Notes: Methods of Analysis (MOA) are available upon request. In case of dispute, the listed Method of Analysis will be used as reference methods.