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Sodium Citrate
Sodium Citrate Na3C6H5O7.2H2O
Chemical Name Dihydrous trisodium 2-hydroxy propane-1,2,3-tricarboxylate sodium citrate
Molecular Formula Na3C6H5O7.2H2O
Weight 294.10
Properties Colourless or white crystalline granule or crystalline powder, odourless; taste salty and cold; soluble in water, difficulty in ethanol; slightly deliquescence in moist air,PH7.6-8.6 in 5% aqueous solution, when heated to 150℃,it may lose crystal water.
Quality standard:(Or according to the contract) BP2003/USP31/GB6782-2009
Use in food processing industry, it is used as buffer, chelate agent, nutrient additive, emulsifier, flavor for yoghurt. In pharmaceutical industry, it is used as anticoagulant and as preservative in syrup manufactured goods, buffer acidity in cold drink, prevent acid in dairy products, used as binder in cheese and minced meat, acid coagulant in jellies and jam, emulsifier and stabilizer, in cheese and ice cream.
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 25 kg/paper-plastic bag.
Storage and transport Kept in tightly-closed containers, it should be stored in a dry and ventilative warehouse, kept away from moistrue and hot, furthermore, it should be stored separately from poisonous substances. Handled with care, so as to avoid damaging to bags.

Name of index

BP2003/USP31

GB6782-2009

Appearance

White crystal or crystalline powder

Identification Test

   

Content(Na3C6H5O7.2H2O)%

99.0-101.0

99.0-100.5

Acidity and Alkalinity

Accord with the stipulation

Accord with the stipulation

Sulphate ,≤%

0.015

0.01

Heavy metals(as pb),≤%

0.001

0.0002

Oxalate,≤%

0.03

0.01

Easy carbonify substance

Accord with the stipulation

≤1

Chloride,≤%

0.005

0.005

Water

11.0-13.0

10.0-13.0

As,≤%

0.0001

0.0001

Fe salt,≤%

0.001

0.0005

Calcium salt,≤%

 

0.02

Light transmittance,%

 

≥95.0

Heat source

Comply with the test

 
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