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| CAS No.: | 10124-56-8 |
|---|---|
| Name: | Sodium metaphosphate |
| Molecular Structure: | |
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| Formula: | Na6O18P6 |
| Molecular Weight: | 611.770386 [g/mol] . |
| Synonyms: | Sodium hexametaphoshpate;Sodium metaphosphate; |
| EINECS: | 233-343-1 |
| Density: | 2.181 g/cm3 |
| Melting Point: | 616 °C |
| Boiling Point: | 1500℃ |
| Flash Point: | N/A |
| Solubility: | Soluble in water. Insoluble in organic solvents |
| Appearance: | white granular solid |
| Hazard Symbols: | N/A |
| Risk Codes: | N/A |
| Safety: | 24/25 |
| Transport Information: | N/A |
| PSA: | 387.19000 |
| LogP: | 3.28080 |
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Reported in EPA TSCA Inventory.
Sodium metaphosphate, its cas register number is 10124-56-8. It also can be called Graham's salt; Sodium phosphate (Na6P6O18); Sodium phosphate, tribasic; Sodium polymeta phosphate; Metaphosphoric acid (H6P6O18), hexasodium salt; Metaphosphoric acid (H6P6O18), sodium salt (1:6); Metaphosphoric acid, hexasodium salt; Sodium metaphosphate; Sodium phosphate, tribasic. It is a white granular solid. It hydrolyzes in aqueous solution, particularly under acidic conditions, to sodium trimetaphosphate and sodium orthophosphate. It can be prepared from Na2HPO4 and NaH2PO4.
Uses of Sodium metaphosphate: Sodium metaphosphate is used as a sequestrant and has applications with in a wide variety of industries, including as a food additive in which it is used under the E number E452i. Its products are used for water softening and detergents, when added with sodium carbonate. It is also used as a dispersing agent to break down clay and other soil types.One of the lesser-known uses for Sodium metaphosphate is as a deflocculant in the making of Terra sigillata, a ceramic technique using a fine particled slip. However, it is also a whitening ingredient included in some whitening toothpastes and mouthwashes.
You can still convert the following datas into molecular structure:
(1)InChI=1S/6Na.H6O18P6/c;;;;;;1-19(2)13-20(3,4)15-22(7,8)17-24(11,12)18-23(9,10)16-21(5,6)14-19/h;;;;;;(H,1,2)(H,3,4)(H,5,6)(H,7,8)(H,9,10)(H,11,12)/q6*+1;/p-6;
(2)InChIKey=GCLGEJMYGQKIIW-UHFFFAOYSA-H;
(3)SmilesP1(OP(OP(OP(=O)([O-])OP(OP(O1)(=O)[O-])(=O)[O-])(=O)[O-])(=O)[O-])(=O)[O-].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+];
The toxiciy data is as follows:
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LD50 | intraperitoneal | 870mg/kg (870mg/kg) | KIDNEY, URETER, AND BLADDER: "CHANGES IN TUBULES (INCLUDING ACUTE RENAL FAILURE, ACUTE TUBULAR NECROSIS)" | Revue d'Epidemiologie, Medecine Sociale et Sante Publique. Vol. 10, Pg. 391, 1962. |
| mouse | LD50 | intravenous | 62mg/kg (62mg/kg) | Arzneimittel-Forschung. Drug Research. Vol. 7, Pg. 445, 1957. | |
| mouse | LD50 | oral | 4320mg/kg (4320mg/kg) | BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD PERIPHERAL NERVE AND SENSATION: FLACCID PARALYSIS WITHOUT ANESTHESIA (USUALLY NEUROMUSCULAR BLOCKAGE) | Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 38(9), Pg. 19, 1973. |
| mouse | LD50 | subcutaneous | 1300mg/kg (1300mg/kg) | Arzneimittel-Forschung. Drug Research. Vol. 7, Pg. 445, 1957. | |
| rabbit | LDLo | intravenous | 140mg/kg (140mg/kg) | Naunyn-Schmiedeberg's Archiv fuer Experimentelle Pathologie und Pharmakologie. Vol. 169, Pg. 238, 1933. | |
| rat | LD50 | oral | 6200mg/kg (6200mg/kg) | PERIPHERAL NERVE AND SENSATION: FLACCID PARALYSIS WITHOUT ANESTHESIA (USUALLY NEUROMUSCULAR BLOCKAGE) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD | Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 38(9), Pg. 19, 1973. |
