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Sodium phosphates
 
Sodium acid pyrophosphate
 

2013101415829.jpg 

Chemical Name:

disodium dihydrogen pyrophosphate , Sodium acid pyrophosphate

Molecular Formula:

Na2H2P2O7

Molecular Weight:

221.94

CAS:

7758-16-9

Character:

hite monoclinic system crystalline powder or fused mass. It has accessibility. Easily soluble in water, insoluble in ethanol.

Uses:

In food processing industry, it is used as buffering, swelling agent, chelae agent, stabilizers, emulsifier, and color improver.

Packing:

It is packed with polyethylene bag as liner and a compound paper-plastic woven bag as the outer layer. The net weight of each bag is 25kg.

Storage & Transportation:

It should be stored in a dry and ventilate warehouse, kept away from moisture and hot. Furthermore, it should be stored separately from poisonous substances. Unload with care as to avoid damage to packing.

Quality index:

Name of index

FCC-V

GB25567-2010

Content (as Na2H2P2O7) ≥ %

93.0-100.5

93.0-100.5

Water Insoluble% ≤%

1.0

1.0

PH (1% aqueous solution)

-

3.5-4.5

Arsenic(As), % ≤

0.0003

0.0003

Heavy Metals (as Pb), %≤

-

0.001

Fluoride(F), % ≤

0.005

0.005

Pb  % ≤

0.0002

0.0002



     
 
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