The Sodium tripolyphosphate ,With the CAS registry number 7758-29-4,  is also named as Pentasodium triphosphate. The IUPAC name of Sodium tripolyphosphate is pentasodium [oxido(phosphonatooxy)phosphoryl] phosphate. The product's categories are Inorganic & Organic Chemicals; Food Additives; Food and Feed Additive; Water Ttreatment Chemicals. Besides, it is white or colourless crystals, which should be stored in tightly closed containers in a cool, dry place. It is stable, but incompatible with strong oxidizing agents, strong acids.It is i rritating to eyes, respiratory system and skin,when you use it ,avoid contact with skin and eyes.

Physical properties about Sodium tripolyphosphate are:
 (1)ACD/LogP: -4.691; (2)# of Rule of 5 Violations: 2; (3)ACD/LogD (pH 5.5): -10.24; (4)ACD/LogD (pH 7.4): -11.41; (5)ACD/BCF (pH 5.5): 1.00; (6)ACD/BCF (pH 7.4): 1.00; (7)#H bond acceptors: 10; (8)#H bond donors: 5; (9)#Freely Rotating Bonds: 4

Preparation of Sodium tripolyphosphate: 
Sodium tripolyphosphate can be prepared by heating a stoichiometric mixture of Disodium phosphate, and Monosodium phosphate under carefully controlled conditions:
2 Na₂HPO₄ + NaH₂PO₄ → Na₅P₃O₁₀ + 2 H₂O

Uses of Sodium tripolyphosphate:
Sodium tripolyphosphate is used as a highly charged chelating agent in commercial detergents. It is also used as a preservative for seafood, meats, poultry, and animal feeds. Moreover, it can be used as synthetic tanning agent in leather. And it is used in ceramics. It can also be used for anticaking and setting retarders. Moreover, it is used as flame retardants and anticorrosion pigments. The produce can be used in paper, textiles, rubber manufacture. Furthermore, it can be used for fermentation and as an antifreeze.

You can still convert the following datas into molecular structure:
(1)SMILES: [Na+].[Na+].[Na+].[Na+].[Na+].[O-]P(=O)(OP(=O)([O-])[O-])OP(=O)([O-])[O-];
(2)InChI: InChI=1/5Na.H5O10P3/c;;;;;1-11(2,3)9-13(7,8)10-12(4,5)6/h;;;;;(H,7,8)(H2,1,2,3)(H2,4,5,6)/q5*+1;/p-5;
(3)InChIKey: HWGNBUXHKFFFIH-AACRGIKGAB;

The toxicity data of Sodium tripolyphosphate is as follows: