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Sodium Acid Pyrophosphate(SAPP)-E450I

Molecular formula: Na2H2P2O7

Molecular weight: 221.95

National Standard: GB 1886.339-2021

CAS Number: 7758-16-9

Other Name: Disodium Pyrophosphate; Disodium Dihydrogen Pyrophosphate;DisodiumDihydrogen Diphosphate

INS: E450I

CNS.:15.008

ROR:15-22-28-40


Properties

White powder or granular;Relative density 1.86g/cm3;Soluble in water and insoluble in ethanol; If its aqueous solution is heated together with diluted inorganic acid, it will be hydrolyzed into phosphoric acid; It is hydroscopic, and when absorbing humidity it will become into a product with hexa-hydrates; If it is heated at a temperature above 220℃, it will be decomposed into sodium meta phosphate.


Application

Buffer; emulsifier; leavening agent; sequestrant. As a leavening agent it is applied to roast foodstuffs to control the fermentation speed; When applied to instant noodles, it can shorten water resetting time and avoid stickiness and mushiness of the noodles; When applied to crackers or cakes, it may shorten fermentation time, lower the breakage, make the porous space in good order and therefore lengthen the shelf life.


Package

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

Loading:25 kgs on pallet: 24MT/20’FCL; Un-palletized:25MT/20’FCL

Jumbo bag :20 bags /20’FCL ;


Specifications




    No    

Specifications

   National Standard    

    Ronghong Standard    

1

Assay                    % ≥

93—100.5

96.0

2

Phosphorus   pentoxide    % ≥

/

64

3

PH value (10g/L solution)

3.5-4.5

3.5-4.5

4

Moisture                          % ≤

/

0.2

5

Sulfates(SO4)          % ≤

/

0.1

6

Heavy metal, as Pb       %   ≤

0.001

0.0002

7

Arsenic, as As               %   ≤

0.0003

0.0001

8

Fluoride as   F                  % ≤

0.005

0.001

9

Water   insoluble             % ≤

1.0

0.008

10

Pb                      % ≤

0.0002

0.0001

11

Fe                      % ≤

/

0.0005

12

Cl                       % ≤

/

0.015

13

Cadmium               %≤

/

0.0001

14

Mercury                 %≤

/

0.0001

15

Aluminum                %≤

/

0.015

16

Bulk Density

Granular-0.93g/cm3,powder-0.975g/cm3

17

Loss on Drying           %≤

/

0.5%