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Sodium tripolyphosphate

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Name

Sodium tripolyphosphate

EINECS 231-838-7
CAS No. 7758-29-4 Density >1.5 g/cm3 (20oC)
Solubility 20 g/100 mL (20°C) in water Melting Point 622 °C
Formula Na5P3O10 Boiling Point
Molecular Weight 367.86 Flash Point
Transport Information Appearance white or colourless crystals, granules or powder
Safety 26-36-24/25 Risk Codes 36/37/38
Molecular Structure Molecular Structure of 7758-29-4 (Sodium tripolyphosphate) Hazard Symbols IrritantXi
Synonyms

7758-29-4

 

Sodium tripolyphosphate Specification

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:

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
guinea pig LD50 subcutaneous 750mg/kg (750mg/kg)   Vestnik Leningradskogo Universiteta, Biologiya. Journal of Leningrad University, Biology. Vol. (3), Pg. 97, 1984.
mouse LD50 intraperitoneal 700mg/kg (700mg/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 71mg/kg (71mg/kg)   Arzneimittel-Forschung. Drug Research. Vol. 7, Pg. 445, 1957.
mouse LD50 oral 3100mg/kg (3100mg/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.
mouse LD50 subcutaneous 900mg/kg (900mg/kg)   Arzneimittel-Forschung. Drug Research. Vol. 7, Pg. 445, 1957.
rabbit LD50 skin > 4640mg/kg (4640mg/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

LUNGS, THORAX, OR RESPIRATION: DYSPNEA
National Technical Information Service. Vol. OTS0571941,
rat LD50 intraperitoneal 525mg/kg (525mg/kg) BEHAVIORAL: EXCITEMENT Journal of Pharmacology and Experimental Therapeutics. Vol. 108, Pg. 117, 1953.
rat LD50 oral 3120mg/kg (3120mg/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

BEHAVIORAL: COMA
National Technical Information Service. Vol. OTS0545589,
rat LD50 subcutaneous 2060mg/kg (2060mg/kg)   Vestnik Leningradskogo Universiteta, Biologiya. Journal of Leningrad University, Biology. Vol. (3), Pg. 97, 1984.

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