The Pentasodium DTPA, with the CAS registry number 140-01-2, is also known as Diethylenetriaminepentaacetic acid pentasodium salt. It belongs to the product category of Organics. Its EINECS number is 205-391-3. This chemical's molecular formula is C₁₄H₁₈N₃O₁₀Na₅ and molecular weight is 503.26. What's more, its systematic name is pentasodium 2,2',2'',2''',2''''-(ethane-1,2-diylnitrilo)pentaacetate. It is used as a bleaching stable synergistic agent of hydrogen peroxide. It is an iron chelating agent with properties like edetic acid. It has also been used as a chelator for other metals, such as plutonium. It is stable at common pressure and temperature, and it should be sealed and stored in a cool and dry place. 

Physical properties of Pentasodium DTPA are: (1)ACD/LogP: 0.05; (2)# of Rule of 5 Violations: 2; (3)ACD/LogD (pH 5.5): -5.72; (4)ACD/LogD (pH 7.4): -5.95; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 1; (8)ACD/KOC (pH 7.4): 1; (9)#H bond acceptors: 13; (10)#H bond donors: 5; (11)#Freely Rotating Bonds: 16; (12)Polar Surface Area: 196.22 Å²; (13)Flash Point: 389.9 °C; (14)Enthalpy of Vaporization: 114.7 kJ/mol; (15)Boiling Point: 721.1 °C at 760 mmHg; (16)Vapour Pressure: 9.53E-23 mmHg at 25°C.

Preparation: this chemical can be prepared by chloroactic acid and diethylenetriamine with NaOH aqueous solution as solvent.

When you are using this chemical, please be cautious about it as the following:
It is irritating to eyes. In case of contact with eyes, you should rinse immediately with plenty of water and seek medical advice. When using it, you need wear eye/face protection.

You can still convert the following datas into molecular structure:
(1)SMILES: [Na+].[Na+].[Na+].[Na+].[Na+].[O-]C(=O)CN(CC([O-])=O)CCN(CCN(CC([O-])=O)CC([O-])=O)CC([O-])=O
(2)Std. InChI: InChI=1S/C14H23N3O10.5Na/c18-10(19)5-15(1-3-16(6-11(20)21)7-12(22)23)2-4-17(8-13(24)25)9-14(26)27;;;;;/h1-9H2,(H,18,19)(H,20,21)(H,22,23)(H,24,25)(H,26,27);;;;;/q;5*+1/p-5
(3)Std. InChIKey: LQPLDXQVILYOOL-UHFFFAOYSA-