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Tri-Sodium Phosphate Anhydrous type-E339(iii)

Chemical formula: Na3PO4

Molecular weight: 163.94

CAS Number: 7601-54-9

Standard: GB25565-2010

INS: E339(iii)

CNS.:15.001


Properties

Sodium Phosphate, Tribasic, occurs as white crystals or granules or as a crystalline material. It may be anhydrous or contain1 to 12 molecules of water of hydration. The formula for acrystalline material is approximately 4(Na3PO4·12H2O)-NaOH. It is freely soluble in water, but is insoluble in alcohol.The pH of a 1:100 aqueous solution is between 11.5 and 12.5.


Application

Antimicrobial; buffer; emulsifier; nutrient


Package

Packing :25 kgs bag,1000 kgs,1100 kgs, 1200 kgs jumbo bag

Loading:25 kgs on pallet: 25MT/20’FCL; Un-palletized:27MT/20’FCL

Jumbo bag :20 bags /20’FCL ;


Specifications




    No    

Specifications

     National   Standard    

    Ronghong Standard    

1

Main contents% ≥

97.0

97.0

2

P2O5  %≥

/

39.5

Sodium oxide, as Na2O

/

36-40

Sulfate, as SO4 % ≤

/

0.5

Heavy metal, as Pb% ≤

0.001

0.001 Max

6

Arsenic, as As% ≤

0.0003

0.0003 Max

Fluoride as F% ≤

0.005

0.005 Max

Water insoluble% ≤

0.2

0.10

9

Pb % ≤

0.0004

0.0004 Max

10

Cl % ≤

/

0.001

11

Fe % ≤

/

0.0002

12

PH

/

11.5—12.5

12

Loss on drying % ≤

2

2