Empirical Formula: C₈H₂₀N₂O₂
Molecular Weight: 176.2566 
EINECS: 221-067-4 
Index of Refraction: 1.462
Density: 0.975 g/cm³
Flash Point: 121.5 °C
Enthalpy of Vaporization: 51.44 kJ/mol
Boiling Point: 275.9 °C at 760 mmHg
Vapour Pressure: 0.00495 mmHg at 25 °C
Appearance: Clear colorless liquid
Structure of Di(3-aminopropoxy)ethane (CAS NO.2997-01-5):
              
IUPAC Name of Di(3-aminopropoxy)ethane (CAS NO.2997-01-5): 3-[2-(3-Aminopropoxy)ethoxy]propan-1-amine
Canonical SMILES: C(CN)COCCOCCCN
InChI: InChI=1S/C8H20N2O2/c9-3-1-5-11-7-8-12-6-2-4-10/h1-10H2
InChIKey: POTQBGGWSWSMCX-UHFFFAOYSA-N

 Di(3-aminopropoxy)ethane (CAS NO.2997-01-5) hasn't been listed as a carcinogen by NTP, IARC, ACGIH, or CA Prop 65. And the toxicological properties have not been fully investigated. You can see actual entry in RTECS for complete information.

Reported in EPA TSCA Inventory.

Moderately toxic by ingestion and skin contact. When heated to decomposition it emits toxic vapors of NO_x.
Hazard Codes of Di(3-aminopropoxy)ethane (CAS NO.2997-01-5): C
Risk Statements: 34-21 
R21:Harmful in contact with skin. 
R34:Causes burns.
Safety Statements: 45-36/37/39-26 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection. 
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)

 Di(3-aminopropoxy)ethane ,its cas register number is 2997-01-5. It also can be called Ethylene glycol bis(3-aminopropyl) ether ; 3,3'-Ethylenedioxybis(propylamine) ; Propylamine, 3,3'-(ethylenedioxy)bis- ; 1-Propanamine, 3,3'-(1,2-ethanediylbis(oxy))bis- ; and 3,3'-(Ethylenedioxy)bispropylamine . It is hazardous,so the first aid measures and others should be known. Such as: When on the skin: first,should flush skin with plenty of water immediately for at least 15 minutes while removing contaminated clothing. Secondly,Get medical aid. Or in the eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Then get medical aid soon. While ,it's Inhaled: Remove from exposure and move to fresh air immediately.Give artificial respiration while not breathing. When breathing is difficult, give oxygen. And as soon as to get medical aid. Then you have the ingesting of the product : Do not induce vomiting, and get medical aid immediately.Notes to physician: Treat supportively and symptomatically.
In addition, Ethanolamine hydrochloride Di(3-aminopropoxy)ethane (CAS NO.2997-01-5) is not compatible with strong oxidizing agents, and you must not take it with incompatible materials. And also prevent it to broken down into hazardous decomposition products: nitrogen oxides, carbon monoxide, carbon dioxide.