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| CAS No.: | 7785-84-4 |
|---|---|
| Name: | Sodium trimetaphosphate |
| Molecular Structure: | |
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| Formula: | Na3P3O9 |
| Molecular Weight: | 305.89 |
| Synonyms: | Metaphosphoricacid (H3P3O9), trisodium salt (8CI,9CI);Sodium metaphosphate (Na3(P3O9))(6CI);Cyclic sodium trimetaphosphate;Detoxol;STMP;Sodium cyclotriphosphate(Na3P3O9);Sodium metaphosphate ((NaPO3)3);Sodiumphosphate ((NaPO3)3);Sodium phosphate (Na3P3O9);Trimetaphosphoric acid (H3P3O9), trisodium salt;Trisodium cyclotriphosphate;Trisodium metaphosphate;Trisodium tricyclophosphate;Trisodiumtrimetaphosphate;Trisodium trimetaphosphate (Na3P3O9); |
| EINECS: | 232-088-3 |
| Density: | 2.49 g/cm3 |
| Melting Point: | 588oC |
| Solubility: | 22 g/100 g in water |
| Appearance: | white crystalline powder |
| Safety: | 44 |
| PSA: | 177.51000 |
| LogP: | 1.66560 |
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Consensus Reports
Specification
The IUPAC name of Sodium trimetaphosphate is trisodium 2,4,6-trioxido-1,3,5,2λ5,4λ5,6λ5-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:
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LD50 | intravenous | 1165mg/kg (1165mg/kg) | Arzneimittel-Forschung. Drug Research. Vol. 7, Pg. 445, 1957. | |
| mouse | LD50 | oral | 10300mg/kg (10300mg/kg) | Arzneimittel-Forschung. Drug Research. Vol. 7, Pg. 445, 1957. | |
| mouse | LD50 | subcutaneous | 5940mg/kg (5940mg/kg) | Arzneimittel-Forschung. Drug Research. Vol. 7, Pg. 445, 1957. | |
| rabbit | LD50 | skin | > 4640mg/kg (4640mg/kg) | National Technical Information Service. Vol. OTS0571153, | |
| rabbit | LDLo | intravenous | 240mg/kg (240mg/kg) | Naunyn-Schmiedeberg's Archiv fuer Experimentelle Pathologie und Pharmakologie. Vol. 169, Pg. 238, 1933. | |
| rat | LD50 | intraperitoneal | 3650mg/kg (3650mg/kg) | BEHAVIORAL: EXCITEMENT | Journal of Pharmacology and Experimental Therapeutics. Vol. 108, Pg. 117, 1953. |