Reported in EPA TSCA Inventory.

DOT Classification:  8; Label: Corrosive

The Tetraethylenepentamine, with the CAS registry number 112-57-2,is also known as 1,11-Diamino-3,6,9-triazaundecane; 1,4,7,10,13-Pentaazatridecane; 3,6,9-Triaza-1,11-undecanediamine; 3,6,9-Triazaundecamethylenediamine. It belongs to the product categories of Chemical Synthesis;Nitrogen Compounds;Organic Building .Its EINECS number is 203-986-2. This chemical's molecular formula is C₈H₂₃N₅ and molecular weight is 189.30. What's more,Its systematic name is Tetraethylenepentamine.It is a colourless to green-yellow viscous liquid. Slightly less dense than water. Vapors heavier than air. Corrosive to the eyes, skin, mouth, throat and stomach. Vapors irritate the eyes and corrosive to the upper respiratory tract. Vapors may irritate the eyes.

Physical properties about Tetraethylenepentamine are:
(1)ACD/LogP:  -2.241; (2)# of Rule of 5 Violations:  1; (3)ACD/LogD (pH 5.5):  -7.36; (4)ACD/LogD (pH 7.4):  -7.15; (5)ACD/BCF (pH 5.5):  1.00; (6)ACD/BCF (pH 7.4):  1.00; (7)ACD/KOC (pH 5.5):  1.00; (8)ACD/KOC (pH 7.4):  1.00; (9)#H bond acceptors:  5; (10)#H bond donors:  7; (11)#Freely Rotating Bonds:  12; (12)Index of Refraction:  1.498; (13)Molar Refractivity:  56.967 cm³; (14)Molar Volume:  194.392 cm³; (15)Surface Tension:  41.1599998474121 dyne/cm; (16)Density:  0.974 g/cm³; (17)Flash Point:  185 °C; (18)Enthalpy of Vaporization:  58.516 kJ/mol; (19)Boiling Point:  341.499 °C at 760 mmHg; (20)Vapour Pressure:  0 mmHg at 25°C;

You can still convert the following datas into molecular structure:
(1)SMILES:C(CNCCNCCNCCN)N;
(2)Std. InChI:InChI=1S/C8H23N5/c9-1-3-11-5-7-13-8-6-12-4-2-10/h11-13H,1-10H2;
(3)Std. InChIKey:FAGUFWYHJQFNRV-UHFFFAOYSA-N.

Safety Information of Tetraethylenepentamine:
The Tetraethylenepentamine may cause nausea and slight irritation by inhale.The compound is a sensitizer, and prolonged contact may cause asthma. And it  can cause burns of mouth, esophagus, and possibly stomach. Contact with eyes or skin may cause burns by assimilate. Repeated skin contact may cause dermatitis.So when you use it ,wear suitable protective clothing, gloves and eye/face protection. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. Or if you feel unwell, seek medical advice immediately (show the label whenever possible.).Avoid release to the environment. Refer to special instructions / safety data sheets.

The toxicity data of Tetraethylenepentamine as follows: