Product Description
3-Dimethylaminopropylamine (DMAPA, molecular formula: C₅H₁₆N₂) is a vital aliphatic amine intermediate with active chemical properties. It features a density of 0.8100 g/cm³, a boiling point of 133°C and a flash point of 15°C, with favorable reactivity and processability for industrial modification and synthesis.
Beyond mainstream resin and additive production, it acts as an effective fiber and leather finishing agent, as well as a functional bactericidal ingredient. Strict production, storage and transportation specifications guarantee its safety and stability for long-term industrial application.

Product Parameters
| Melting point | -60 °C |
| Boiling point | 133 °C(lit.) |
| density | 0.812 g/mL at 25 °C(lit.) |
| vapor density | 3.6 (vs air) |
| vapor pressure | 5 mm Hg ( 20 °C) |
| refractive index | n20/D 1.435(lit.) |
| Fp | 90 °F |
| storage temp. | Store below +30°C. |
| form | Liquid |
| pka | 10.13±0.10(Predicted) |
| color | Clear |
| PH | 12.7 (100g/l, H2O, 20℃) |
| Odor | ammoniacal odor |
| explosive limit | 2.3-12.35%(V) |
| Water Solubility | SOLUBLE |
| FreezingPoint | -70℃ |
| Sensitive | Air Sensitive |
| BRN | 605293 |
| InChIKey | IUNMPGNGSSIWFP-UHFFFAOYSA-N |
| LogP | -0.352 at 25℃ |
| CAS DataBase Reference | 109-55-7(CAS DataBase Reference) |
| NIST Chemistry Reference | 1,3-Propanediamine, N,N-dimethyl-(109-55-7) |
| EPA Substance Registry System | 3-(Dimethylamino)propylamine (109-55-7) |
Safety Information
| Hazard Codes | C |
| Risk Statements | 10-22-34-43-21/22 |
| Safety Statements | 26-36/37/39-45 |
| RIDADR | UN 2733 3/PG 3 |
| WGK Germany | 2 |
| RTECS | TX7525000 |
| Autoignition Temperature | 215 °C |
| TSCA | Yes |
| HazardClass | 8 |
| PackingGroup | II |
| HS Code | 29212900 |
| Hazardous Substances Data | 109-55-7(Hazardous Substances Data) |
| Toxicity | LD50 orally in Rabbit: 1640 mg/kg |
Application Scenarios
DMAPA is extensively used in epoxy curing systems, cyanide-free electroplating additives, oilfield chemical auxiliaries and textile dyeing auxiliary industries. It also serves as a key raw material for preparing antibacterial agents and leather modifiers, covering diverse needs of fine chemical manufacturing and industrial surface treatment.
