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| Feature | Good stability |
| Classification | Paint Additives |
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CAS No. 1116-76-3
Content 95%
Packing 160kg/drum
| Name | Tri-n-octylamine |
| Synonyms | TOA TA8 336S N235 TNOA 7301 Alamine 308 Trioctylamin TRIOCTYLAMINE Trinoctylamine TRICAPRYLAMINE Tri-n-octylamine TRICAPRYLYLAMINE Tri-N-caprylylamine N,N-dioctyloctan-1-amine N,N-Dioctyloctan-1-amine 1-Octanamine,N,N-dioctyl- Tri-n-octylamine [Reagent for Ion-Pair Chromatography] |
| CAS | 1116-76-3 |
| EINECS | 214-242-1 |
| InChI | InChI=1/C24H51N/c1-4-7-10-13-16-19-22-25(23-20-17-14-11-8-5-2)24-21-18-15-12-9-6-3/h4-24H2,1-3H3 |
| InChIKey | XTAZYLNFDRKIHJ-UHFFFAOYSA-N |
| Molecular Formula | C24H51N |
| Molar Mass | 353.67 |
| Density | 0.809 g/mL at 25 °C (lit.) |
| Melting Point | 34 °C |
| Boling Point | 164-168 °C/0.7 mmHg (lit.)365-367 °C (lit.) |
| Flash Point | >230°F |
| Water Solubility | Miscible with chloroform. Immiscible with water. |
| Solubility | chloroform: 0.1g/mL, clear, colorless |
| Appearance | Transparent liquid |
| Specific Gravity | 0.811 (20/4℃) |
| Color | White to off-white |
| BRN | 1210618 |
| pKa | 10.08±0.50(Predicted) |
| Storage Condition | Store below +30°C. |
| Sensitive | Air Sensitive |
| Refractive Index | n20/D 1.449(lit.) |
| MDL | MFCD00009560 |
| Physical and Chemical Properties | Colorless oily liquid. Melting Point -34 °c, boiling point 365.812 °c. Relative density (20/4 ℃)0.811, refractive index (nD20)1.449. Melt in alcohol and ether, slightly soluble in methanol, soluble in non-polar solvents, very slightly soluble in water. Ammonia odor, alkaline. |
| Use | Used as surfactant and extractant |
| Risk Codes | R36/37/38 – Irritating to eyes, respiratory system and skin. R51/53 – Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
| Safety Description | S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S61 – Avoid release to the environment. Refer to special instructions / safety data sheets. S36/37/39 – Wear suitable protective clothing, gloves and eye/face protection. S29 – Do not empty into drains. |
| UN IDs | UN3082 |
| WGK Germany | 2 |
| RTECS | RG8225000 |
| FLUKA BRAND F CODES | 10-23 |
| TSCA | Yes |
| HS Code | 29211980 |
| Hazard Class | 9 |
| Packing Group | III |
| Toxicity | LD50 intraperitoneal in rat: 1gm/kg |
It smells like ammonia. Sensitive to air. Soluble in non-polar solvents, soluble in ethanol and ether, very slightly soluble in water. Minimum lethal dose (mice, abdominal cavity) 63mg/kg. It’s irritating.
| use | as a precious metal extractant. In the metallurgical industry, it is used to extract and separate cobalt, nickel, actinides and lanthanides. It is used in organic synthesis. It is a heat-resistant, solvent-resistant, polymeric rubber antioxidant. It is the intermediate amine extractant for synthesizing NAPM. It has good extraction performance for actinides such as thorium and uranium. Moreover, it can extract and separate non-ferrous metals, rare and scattered metals and platinum elements in different systems. Used in the production of phase transfer catalysts, rubber additives and corrosion inhibitors. Used as surfactant and extractant |
| Production method | Ammoniation is carried out in the presence of aluminum trichloride catalyst using n-octanol as raw material. The reaction is carried out in a condensation kettle, ammonia is introduced into the kettle, and the reaction is carried out at 400 ℃. Then remove the excess n-octanol and filter out the catalyst to obtain the finished trioctylamine. Raw material consumption (kg/t) n-octanol 1217 trialumina 685 |
| spontaneous combustion temperature | 315°C |
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