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Pentapotassium triphosphate

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Name

Pentapotassium triphosphate

EINECS 237-574-9
CAS No. 13845-36-8 Density 2.54 g/cm3
Solubility easily soluble in water Melting Point 620 °C
Formula H5O10P3.5K Boiling Point
Molecular Weight 448.40 Flash Point
Transport Information Appearance White crystal or powder
Safety Risk Codes
Molecular Structure Molecular Structure of 13845-36-8 (Triphosphoricacid, potassium salt (1:5)) Hazard Symbols
Synonyms

Potassiumtriphosphate (K5P3O10) (6CI,7CI);Triphosphoric acid, pentapotassium salt(8CI,9CI);Pentapotassium tripolyphosphate;Potassium phosphate (K5P3O10);Potassium tripolyphosphate;

 

Pentapotassium triphosphate Specification

The IUPAC name of Triphosphoricacid, potassium salt (1:5) is pentapotassium [oxido(phosphonatooxy)phosphoryl] phosphate. With the CAS registry number 13845-36-8, it is also named as Pentapotassium triphosphate. The product's category is Inorganics. It is white crystal or powder which is easily soluble in water. And it has a good ability to complex metal ions. Additionally, should be sealed in the container and stored in the cool, ventilate and dry place.

The other characteristics of this product can be summarized as: (1)ACD/LogP: -4.69; (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; (6)ACD/BCF (pH 7.4): 1; (7)#H bond acceptors: 10; (8)#H bond donors: 5; (9)#Freely Rotating Bonds: 4; (10)Polar Surface Area: 200.25 Å2; (11)Rotatable Bond Count: 2; (12)Exact Mass: 447.688965; (13)MonoIsotopic Mass: 447.688965; (14)Topological Polar Surface Area: 185; (15)Heavy Atom Count: 18; (16)Complexity: 241.

Preparation of Triphosphoricacid, potassium salt (1:5): It can be obtained by the following reaction.
6H3PO4+5K2CO3→4K2HPO4+2KH2PO4+5H2O+5CO2
4K2HPO4+2KH2PO4→2K5P3O10+4H2O

Uses of Triphosphoricacid, potassium salt (1:5): It is not only used as potassiumpolyphosphat in food industry, but also used as chelating agents and water treatment agent. In addition, this chemical can be used as emulsifier, moisturizing agent, stabilizer, adhesive, antioxidant, preservative, etc.

People can use the following data to convert to the molecule structure. 
1. SMILES:[K+].[K+].[K+].[K+].[K+].[O-]P(=O)(OP(=O)([O-])[O-])OP(=O)([O-])[O-]
2. InChI:InChI=1/5K.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

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