Sodium Citrate
· Chemical Name: Sodium Citrate
· Formula: Na3C6H5O7·2H2O
· Molecular Weight: 294.10
· Specificity: Colourless or white crystalline granule or crystalline powder, odourless; taste
salty,soluble in water (1g/1.5ml,25℃), insoluble in ethanol, steady in air, slightly
deliquescence in moist air,PH7.6-8.6 in 5% aqueous solution,when heated to 150℃, it may
lose crystal water.
· Quality standard:
Name of index | GB3782-1986 | BP93 |
Appearance | Colourless or white crystal or crystalline | |
Content,( Na3C6H5O7·2H2O)% | ≥99.0 | 99.0～101.0 |
PH value | Accord with the stipulation | 0.2 |
Heavy metal（As Pb），% | ≤0.0005 | ≤0.001 |
Arsenic (As)，% | ≤0.0001 | --- |
Ba，% | conform | --- |
Fe，% | ≤0.001 | --- |
Oxalates，% | ≤0.05 | ≤0.03 |
Sulphates，% | ≤0.03 | ≤0.015 |
Calcium, | conform | --- |
Chlorides，% | ≤0.01 | ≤0.005 |
Easy carbonify substance, | conform | conform |
Loss on drying,% | --- | 10.0-13.0 |
· USES:In food industry,it is used as buffer,chelate agent,nutrition enhancer, emulsifier,flavor
for buttermilk, balance the sour flavor of citric acid in soft beverage; prevent rancidification in
dairy products.or as anchoring agent for cheese and meat;gelling agent for pudding,fruit
juice; emulsifier and stabilizer for cheese and ice cream. In pharmaceutical industry, it is used
as anticoagulant, or preservatives for syrup preparation.
· Packing: It is packed with polyethylene bag as inner, and a composite paper bag as the outer
layer.The net weight of each bag is 25kg.
Storage and Transport: It should be stored in a dry，ventilative and clean warehouse,kept away from moisture and hot,futhermore,it shoud be stored separately from poisonous. Avoid damage to the bags.Its expiry date is two year.