Metaphosphoric acid

Sodium hexametaphosphate
CAS NO: 10124-56-8
Molecular Weight: 611.7704 
EC NO: 233-343-1
Formula: (NaPO₃)₆
InChI: InChI=1/6Na.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

Product description: Sodium hexametaphosphate

◆English name: Sodium Hexametaphosphate(Sodium Polyphosphates, Glassy; Sodium Tetrapolyphosphate; Graham’s Salt)
◆Abbreviation:SHMP
◆Alias: Metaphosphoric acid, hexasodium salt; Hexasodium metaphosphate; Glassy sodium; Graham's Salt, Sodium Polymetaphosphate; Sodium phosphate (Na₆(PO₃)₆); SHMP; Sodium Hexameta phosphate; sodium henamephosphate; hexasodium cyclohexaphosphoxane-2,4,6,8,10,12-hexolate 2,4,6,8,10,12-hexaoxide; Sodium Hexametapho
◆Formula: (NaPO₃)₆(Mr≈611.77)
◆CAS No.: 10124-56-8
◆Appearance: transparent flake or powder

Basic properties
Molar mass: 611.77 g·mol-1
Appearance: White, odorless crystalline powder
Density: 2.484 g/cm³
Melting point: 550 °C
Boiling point: 1500 °C
Solubility(water): soluble
Solubility(organic solvent): poorly soluble

Other properties:
1. Melting point 616℃(decompose), relative density 2.484g/cm³(20℃), easily soluble in water, insoluble in organic solvent.
2. Can be used in producing water treatment agent, corrosion inhibitor, metal surface treatment agent, etc.

Uses
In food industry:
　　 ·Sodium hexametaphosphate can be used in meat products, fish sausages, hams;
　　 ·In soybean paste and soy sauce;
　　 ·In fruit beverage, soft drink;
　　 ·In ice cream;
　　 ·In dairy products and beverage;
　　 ·In beer;
　　 ·In beans, fruit and vegetable cans;
In industry:
　　 ·Sodium hexametaphosphate can be used in producing sodium monofluorophosphate;
　　 ·Sodium hexametaphosphate can be used as softener;
　　 ·Sodium hexametaphosphate can be widely used in EDI, RO, NF and other water treatment industries as scale inhibitor.
Dosage
　　Generally 0.3-0.5%, 0.9% in cheese 0.9%; 0.3% in meat; 0.5% in milk powder, cream powder, frozen fish and shrimps; 0.2% in condensed milk and beverage.
Packing          
Laminated plastic woven bag lined with plastic film bag, net weight 10kg, 20kg, 25kg/bag, export product is according to the requirement of foreign merchant
Alias:Metaphosphoric acid, hexasodium salt; Hexasodium metaphosphate; Glassy sodium; Graham's Salt, Sodium Polymetaphosphate; Sodium phosphate (Na6(PO3)6); SHMP; Sodium Hexameta phosphate; sodium henamephosphate; hexasodium cyclohexaphosphoxane-2,4,6,8,10,12-hexolate 2,4,6,8,10,12-hexaoxide; Sodium Hexametapho

10124-56-8