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chemical-categories

trisodium phosphate dodecahydrate

Molecular Formula: Na3PO4, Na3PO4·12 H2O

Molecular Weight: anhydrous163.94; dodecahydrate : 379.94

CAS: anhydrous: 7601-54-9; dodecahydrate : 10101-89-0

Character: It is colorless to white crystal, powder or crystalline powder. It’s odorless, easily soluble in water but insoluble in ethanol.

Quality index

Specification

GB25565-2010

FCC,1996

Assay (as Na3PO4) ≥%

Content (Na3PO4)

Anhydrous

97.0

97.0

Dodecahydrate

97.0

92.0

Heavy Metal≤%

Heavy Metals

0.001

---

Pb≤%

Pb

0.0004

---

Fluoride (as F )≤%

Fluorides(F)

0.005

0.005

Water insoluble matter≤%

Insoluble In Water

0.2

0.2

pH value

pH Value

11.5-12.5

---

As≤%

As

0.0003

0.0003

Phosphorus pentoxide≥%

P2O5

39.83

39.83

Loss on ignition≤%

Loss On Ignition

Anhydrous

2.0

2.0

Dodecahydrate

45.0-57.0

45.0-57.0

Uses: In food processing industry, it is used as buffering agent, emulsifier, antitacking agent, antioxidant additive, nutrition supplement, metal chelation.

Packing: It is packed with polyethylene bag as liner and a compound 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.

Properties Suppliers
zinc citrate dihydrate FOOD GRADE

Appearance: This product is white granular crystal or crystalline powder; odorless, tasteless; there weathering. 

This product is slightly soluble in water, dissolved in hydrochloric acid.
CAS   5990-32-9
Product specification:       Molecular formula: (C6H5O7)2Zn3·2H2O        Molecular  weight: 610.35

Item

            Index(USP35)

Assay(dry basis)                  ≥%

31.3

Loss on drying                       ≤%

1.0

Chloride                          %≤

0.05

Sulfate                           %≤

0.05

Arsenic                          ≤ppm

3

Cadmium                         ≤ppm

5

 Lead                             ≤ppm

10

Microbial Characteristics

 

The total aerobic microbial count

≤1000cfu/g

Yeast and Mold

≤100cfu/g

 Escherichia coli

Negative

   Packaging and storage:Preserve in well-closed, container,store in cool, dry  place. 25kg/paper plastic complex bag,or according to order. 
   Shelf life: in conform to the specified storage conditions and packaging is complete, shelf life is 2 years.

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