Description
Triethylamine Chemical Properties
| Melting point | -115 °C |
| Boiling point | 90 °C |
| density | 0.728 |
| vapor density | 3.5 (vs air) |
| vapor pressure | 51.75 mm Hg ( 20 °C) |
| refractive index | n20/D 1.401(lit.) |
| FEMA | 4246 | TRIETHYLAMINE |
| Fp | 20 °F |
| storage temp. | Store below +30°C. |
| solubility | water: soluble112g/L at 20°C |
| pka | 10.75(at 25℃) |
| form | Liquid |
| Specific Gravity | 0.725 (20/4℃) |
| color | Clear |
| PH | 12.7 (100g/l, H2O, 15℃)(IUCLID) |
| Relative polarity | 1.8 |
| Odor | Strong ammonia-like odor |
| Odor Type | fishy |
| Odor Threshold | 0.0054ppm |
| explosive limit | 1.2-9.3%(V) |
| Water Solubility | 133 g/L (20 ºC) |
| Merck | 14,9666 |
| JECFA Number | 1611 |
| BRN | 1843166 |
| Henry’s Law Constant | 1.79 at 25 °C (Christie and Crisp, 1967) |
| Exposure limits | NIOSH REL: IDLH 200 ppm; OSHA PEL: TWA 25 ppm (100 mg/m3); ACGIH TLV: TWA 1 ppm, STEL 3 ppm (adopted). |
| Dielectric constant | 5.0（Ambient） |
| Stability: | Stable. Extremely flammable. Readily forms explosive mixtures with air. Note low flash point. Incompatible with strong oxidizing agents, strong acids, ketones, aldehydes, halogenated hydrocarbons. |
| InChIKey | ZMANZCXQSJIPKH-UHFFFAOYSA-N |
| LogP | 1.65 |
| CAS DataBase Reference | 121-44-8(CAS DataBase Reference) |
| NIST Chemistry Reference | Triethylamine(121-44-8) |
| EPA Substance Registry System | Triethylamine (121-44-8) |
Safety Information
| Hazard Codes | F,C |
| Risk Statements | 11-20/21/22-35 |
| Safety Statements | 3-16-26-29-36/37/39-45-61 |
| RIDADR | UN 1296 3/PG 2 |
| WGK Germany | 1 |
| RTECS | YE0175000 |
| F | 34 |
| Autoignition Temperature | 593 °F |
| Hazard Note | Highly Flammable/Corrosive |
| TSCA | Yes |
| HazardClass | 3 |
| PackingGroup | II |
| HS Code | 29211910 |
| Hazardous Substances Data | 121-44-8(Hazardous Substances Data) |
| Toxicity | LD50 orally in rats: 0.46 g/kg (Smyth) |
| IDLA | 200 ppm |
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