Sodium trimetaphosphate

The IUPAC name of Sodium trimetaphosphate is trisodium 2,4,6-trioxido-1,3,5,2λ⁵,4^λ5,6λ⁵-trioxatriphosphinane2,4,6-trioxide. With the CAS registry number 7785-84-4, it is also named as Metaphosphoric acid, trisodium salt. The product's categories are Inorganics; Inorganic Salts; Salts; Sodium Salts; SodiumMetal and Ceramic Science; Synthetic Reagents. Besides, it is white crystalline powder, which should be stored in a cool, ventilated, dry, clean warehouse. In addition, it is soluble in water, but insoluble in alcohol.

The other characteristics of this product can be summarized as: (1)EINECS: 232-088-3; (2)H-Bond Donor: 0; (3)H-Bond Acceptor: 9; (4)Rotatable Bond Count: 0; (5)Exact Mass: 305.844825; (6)MonoIsotopic Mass: 305.844825; (7)Topological Polar Surface Area: 148; (8)Heavy Atom Count: 15; (9)Complexity: 224; (10)Density: 2.49 g/cm³; (11)Solubility in water: 22 g/100 g; (12)Molecular Formula: Na₃P₃O₉; (13)Molecular Weight: 305.89.

Preparation of Sodium trimetaphosphate: this chemical can be prepared by heating phosphorus pentoxide and sodium carbonate at 475-500 °C. The reaction equation is as follows:
3P₂O₅+3Na₂CO₃ →2Na₃P₃O₉+3CO₂

Uses of Sodium trimetaphosphate: this chemical can be used as starch modifier, water-retaining agent, water softener, meat binder, dispersing agent and stabilizing agent to prevent food discoloration and decomposition of vitamin C in the food industry. Moreover, it is used for producting low-density detergent. It is also used for producting dry bleacher, automatic dishwashing detergents and so on.

People can use the following data to convert to the molecule structure.
(1)SMILES:[Na+].[Na+].[Na+].O=P1([O-])OP([O-])(=O)OP([O-])(=O)O1
(2)InChI:InChI=1/3Na.H3O9P3/c;;;1-10(2)7-11(3,4)9-12(5,6)8-10/h;;;(H,1,2)(H,3,4)(H,5,6)/q3*+1;/p-3
(3)InChIKey:UGTZMIPZNRIWHX-DFZHHIFOAB
(4)Std. InChI:InChI=1S/3Na.H3O9P3/c;;;1-10(2)7-11(3,4)9-12(5,6)8-10/h;;;(H,1,2)(H,3,4)(H,5,6)/q3*+1;/p-3
(5)Std. InChIKey:UGTZMIPZNRIWHX-UHFFFAOYSA-K

The toxicity data is as follows: