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Sodium citrate

Update: 2013/10/14 View:
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Introduction
 

Chemical Name:

Sodium citrate

Molecular Formula:

Na3C6H5O7·H2O

Molecular Weight:

249.10

CAS:

68-04-2

Character:

Colourless or white crystalline granule or crystalline powder, odorless, tastes salty and cool. soluble in water, difficulty in ethanol and slightly deliquescent in moist air, PH value is 7.6-8.6 in 5% aqueous solution.If heated to 150,it may lose crystal water.

Uses:

In food processing industry, it is used as buffer, chelae agent and nutrition supplement, emulsification, flavoring for yoghurt. If in cool drink, it can abirritate the sourness of citrate acid, prevent the acidification of dairy products. It is used as binder in cheese and minced meat, gelatinize in jellies and syrup, emulsification and stabilizer in cheese and ice cream.

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.

Quality index:

(GB6782-2009 BP2009FCC-VUSP32)

Name of index

GB6782-2009

BP2009

FCC-V

USP32

Appearance

White powder

White  powder

White powder

White powder

Content≥%

99.0-100.5

99.0-100.5

99.0-100.5

99.0-100.5

Heavy metal(AsPb) ≤%

0.001

0.001

-

0.001

Pb ≤%

0.0002

-

0.0002

-

 AS ≤%

0.0001

-

-

 

Loss on drying%

10.0-13.0

-

10.0-13.0

10.0-13.0

Cl ≤%

0.005

0.005

-

 

Sulphate Salt≤%

0.01

0.015

-

 

Qxalate Salt≤%

0.01

0.03

-

 

Alkalinity%

Pass test

Pass test

Pass test

Pass test

Readily Carbonisable Substances

1.0

Pass test

-

 

Light transmittance

95.0%

Pass test

-

-

water insoluble

Pass test

-

-

-

Pyrogens

-

Pass test

-

-