Pentamethyldiethylenetriamine
Synonym(s):N,N,N′,N′′,N′′-Pentamethyldiethylenetriamine;PMDETA;PMDTA
- CAS NO.：3030-47-5
- Empirical Formula: C9H23N3
- Molecular Weight: 173.3
- MDL number: MFCD00014876
- EINECS: 221-201-1
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-06-04 16:00:12
What is Pentamethyldiethylenetriamine?
Chemical properties
colourless liquid with an amine odour
The Uses of Pentamethyldiethylenetriamine
Used as ligand in NMR study of complexation/aggregation with neopentyllithium1 and in the study of ligand effects on the selectivity of CO2 incorporation into α,ω-diynes
What are the applications of Application
N,N,N′,N′′,N′′-Pentamethyldiethylenetriamine is a catalyst component for Ni(II)-mediated alkyne carboxylation
Definition
ChEBI: Pentamethyldiethylenetriamine is a polyazaalkane. It is functionally related to a diethylenetriamine.
Flammability and Explosibility
Non flammable
Safety Profile
Poison by skin contact. Moderately toxic by ingestion.When heated to decomposition it emits toxic fumes of NOx.
Properties of Pentamethyldiethylenetriamine
| Melting point: | −20 °C(lit.) |
| Boiling point: | 198 °C(lit.) |
| Density | 0.83 g/mL at 25 °C(lit.) |
| vapor pressure | 0.23 mm Hg ( 20 °C) |
| refractive index | n |
| Flash point: | 128 °F |
| storage temp. | Store below +30°C. |
| form | Powder |
| pka | 8.84±0.38(Predicted) |
| color | White |
| PH | 11.9 (100g/l, H2O, 20℃) |
| explosive limit | 1.1-5.7%(V) |
| Water Solubility | Miscible in water. |
| FreezingPoint | <-70℃ |
| Sensitive | Air Sensitive |
| BRN | 1741396 |
| Stability: | Stable. Flammable. Incompatible with strong oxidizing agents, strong acids. |
| CAS DataBase Reference | 3030-47-5(CAS DataBase Reference) |
| EPA Substance Registry System | 1,1,4,7,7-Pentamethyldiethylenetriamine (3030-47-5) |
Safety information for Pentamethyldiethylenetriamine
| Signal word | Danger |
| Pictogram(s) |
 Corrosion Corrosives GHS05  Skull and Crossbones Acute Toxicity GHS06 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H311:Acute toxicity,dermal H314:Skin corrosion/irritation |
| Precautionary Statement Codes |
P280:Wear protective gloves/protective clothing/eye protection/face protection. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. |
Computed Descriptors for Pentamethyldiethylenetriamine
| InChIKey | UKODFQOELJFMII-UHFFFAOYSA-N |
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